Text

Groundwater Mixing Zone Request,Westinghouse Columbia Plant,Richland County,Sc
	ML20034B552
Person / Time
Site:	Westinghouse
Issue date:	06/02/1988
From:	; WESTINGHOUSE ELECTRIC COMPANY, DIV OF CBS CORP., WESTINGHOUSE ENVIRONMENTAL & GEOTECHNICAL SERVICES
To:	;
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GROUNDWATER h1IXING ZONE REQUEST WESTINGHOUSE COLUh1BIA PLANT RICHLAND COUNTY l

SOUTH CAROLINA I

S&h!E Job No. 4133 88-022

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W S&htE, Inc.

11 Technology Circle Columbia, SC 29203 June 2,1988 I

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Formerly, Soit & Morenol Engineen. be.

June 2,1988 j

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Westinghouse Electric Corporation Commercial Nuclear Fuel Division 1

5801 Bluff Road Columbia, SC 29209 Attention:

Mr. Roger Fischer l

Subject:

Transmittal of ' Groundwater Mixing Zone Request.

.I Westinghouse Columbia Plant, Richland County, South Carolina

S&ME Job No. 4133 88 022

Dear Mr. Fischer:

l S&ME, Inc. (a Westinghouse subsidiary) is pleased to present the above.

i referenced report.

We appreciate the opportunity to prepare this report and to lj provide our hydrogeological services to the Westinghouse Columbia Plant.

Respectfully submitted, f

S&ME, Inc.

DJ ? ss psaj.

David P. Sanders, P.G.

Michael J. Andrejko.

Project Hydrogeologist Environmental Scientist

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o oseph K. Register, Manager Environmental Assessment Department 1

DPS/MJA/JKR/si R0P,7s.DPS t

5&ME. bc.

ii Technology Orcle Columtno. SC 20203 (803) 7350166

GROUNDWATER h11XING ZONE REQUEST WESTINGIIOUSE COLUh1BIA PLANT RICHLAND COUNTY, SOUTil CAROLINA S&h1E Job No. 4133-88-022 CONTENTS Section hr,t I

1.0 INTRODUCTION

1 1.1 Purpose 1

I

1.2 Background

2 2.0 HYDROGEOLOGY 3

2.1 Site Geology 3

2.2 Groundwater Occurrence 3

2.3 Groundwater Movement 4

2.4 Groundwater Utilization 6

3.0 EXTENT OF GROUNDWATER CONTAh11 NATION 7

3.1 Toxicity of Contaminants 7

I 3.2 Persistence of Contaminants 9

3.3 Mobility of Contaminants 10 3.4 Effect on Surface Water 11 1

4.0 CONTAh11 NATION h11NIh11ZATION 13 I

5.0 SUbibl AR Y 15 6.0 SELECTED REFERENCES 17 Appendices Appendix !

Figures Appendix !!

Tables of Water-Quality and Water-Level Data RO S 7.D PS i

a GROUNDWATER MIXING ZONE REQUEST WESTINGilOUSE COLUMBI A PLANT

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RICIILAND COUNTY, SOUTil CAROLINA S&ME Job No. 4133 88-022 I

LIST OF FIGURES (in Appendix I) l Flcure 11 Westinghouse Columbia Plant' location map l

l 12 Topographic map of Westinghouse property and vicinity 13 Map of Westinghouse property with monitoring well locations 14 Map of wastewater treatment area with monitoring wc!!' locations 2-1 Generalized stratigraphic column 22 Potentiometric map of Unit I in the wastewater treatment area, May 3,1988 1

3-1 Water quality graph for Well W 7 32 Water quality graph for Well W 10 33 Water quality graph for Well W 13 3-4 Water quality graph for Well W 15 35 Water quality graph for Well W 16 36 Water quality graph for Well W 18 37 Water quality graph for Well W 22 38 Water quality graph for Well W-24 39 Water quality graph for Well W 29 3 10 Water quality graph for Well W 30 R087.DPS 11

s GROUNDWATER hlIXING ZONE REQUEST WESTINGHOUSE COLUMBIA PLANT RICHLAND COUNTY, SOUTII CAROLINA S&hlE Job No. 4133 88-022 1

LIST OF FIGURES, continued (in Appendix I) 1 3 11 Water qua.'ity graph for Well W 32 3:12 Isopleth map of ammonia concentrations in Unit I, November 3,1980 1

3 13 Isopleth map of ammonia concentrations in Unit I, October 24 25, 1984 3 14 Isopleth map of ammonia concentrations in Unit I, 1

December 11,1987 3 15 Isopleth map of nitrate concentrations in Unit I, 1

October 24 25, 1984 3 16 Isopleth rnap of nitrate concentrations in Unit I, l

December 11,1987 3 17 Isopleth map of fluoride concentrations in Unit I, November 3,1980 3-18 Isopleth map of fluoride concentrations in Unit I, October 24 25, 1984 1

l 3 19 Isopleth map of fluoride concentrations in Unit I, December 11,1987 I

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W GROUNDWATER hilXING ZONE REQUEST WESTINCIIOUSE COLUhlBIA PLANT

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RICilLAND COUNTY SOUTH CAROLINA F

S&h1E Job No. 4133-88-022 L

1.0 INTRODUCTION

I 1.1 Eurnose The purpose of this report is for the Westinghouse Elcetric Corporation Commercial Nuclear Fuel Division to request the establishment of a groundwater mixing zone at the Westinghouse Columbia Plant site.

This report demonstrates.

l that the conditions required by South Carolina Department of Health and Environmental Control (SCDHEC) and South Carolina State law for the establishment of a groundwater mixing zone are met at the Westinghouse Columbia Plant site.

Regulation 61-68 (Water Classifications and Standards) promulgated by the SCDHEC provides for the establishment of a groundwater mixing zone.

A groundwater mixing zone is a subsurface zone where variances from specified groundwater quality standards are allowed.

To establish a groundwater mixing-zone, Regulation 61 68 D.(5)(b) states that the following four site conditions, or criteria, must be satisfactorily demonstrated to the SCDHEC.

1.

Reasonable measures have been taken or binding commitments are made to minimize 'he addition of contaminants to groundwater and/or control the migration of contaminants in groundwater.

2.

The contaminated groundwater is confined to ~ he uppermost aquifer t

which has litt!c or no potential of being an underground source of drinking water, and discharges, or will discharge, to surface waters without contravening the surface water standards.

3.

The contaminants in question occur on the property of the applicant, and there is minimum possibility for present or future groundwater R087.DPS 1

withdrawals to create drawdown such that contaminants would flow off-F site.

4.

The contaminants or combination of contaminants are not dangerously toxic, mobile, or persistent.

I 1.2 Backcround The Westinghouse Columbia Plant is located at 5801 Bluf f Road in Richland County, South Carolina (Figure 1-1).

The topographic features and boundaries of the plant property, which encompass an almost two square mile area, are indicated on Figure 1 -2.

The manufacturing building and the wastewater treatment facility are located on an ancient terrace (Okeerenokee Terrace) of the Upper Coastal Plain physiographic province.

The southern portion of the plant property lies l

within the floodplain of Mill Creek, a tributary of the Congarce River.

Groundwater contamination was first suspected at the site when elevated concentrations of fluoride and ammonia nitrogen were detected in a man made pond on the plant property in April 1980.

The source of the fluoride and ammonia nitrogen in the pond was determined to be a spring that discharges into the pond.

Subsequent groundwater investigations indicated that the source of the I

contamination in the springwater was the plant wastewater treatment area where process wastewater containing fluoride and ammonia are received and raw materials are stored in above ground tanks.

Twenty eight monitoring wells-labelled W6 through W 33, were installed by Law Engineering and Testing Company (LETCO) in 1980 to assess groundwater conditions at the site.

The locations of the monitoring-wells are indicated on Figure 13 and an enlargement of the wastewater treatment area (to provide detail) is shown on Figure 1-4.

These figures also indicate the location of the man made pond and Sunset Lake to the south of the wastewater treatment lagoons on the Mill Creek floodplain.

The location of the spring that discharges into the I

pond is indicated on Figures 1-3 and 1 4.

Well W 3A is a deep monitoring well completed in 1985 to a depth of approximately 85 feet in the Black Mingo Aquifer.

R087.DPS 2

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2.0 HYDROGEOLOGY l

2.1 Site Geolocv

.I A comprehensive discussion of the hydroscology of the plant site and vicinity is contained in S&ME Report No. H 8119 *Groondwater Hydrology of the l

Westinghouse Electric Corporation Plant, Richland Cou nty, South Carolina" dated March 1,

1982.

The geologic formations beneath the site are described in detail l

in the report and are summarized below.

Figure 21 is a diagram of a generalized stratigraphic column illustrating the geological formations at the site.

l The uppermost formation at the site is composed of a stratified, but poorly I

sorted, mixture of sand, clay, silt, and gravel and includes sediments of.the l

Okeerenokee Formation, which underlies the Okeerenokee Terrace.

These shallow sediments generally occur to a depth of 20 to 40 feet at 4e plant site, depending on topography.

The Black Mingo Formation occurs below the shallow sediments and consists of an upper clay unit and a basal sand unit, The thickness of the Black Mingo formation beneath the plant site is estimated to be 75 feet.

The Tuscaloosa Formation occurs below the Black Mingo Formation and overlies bedrock at a depth of approximately 240 feet to 290 feet below land surface.

The Tuscaloosa Formation generally consists of multi colored clay interbedded with fine to coarse grained sand.

The bedrock beneath the Tuscaloosa Formation is g

L typically composed of igneous and metamorphic rock.

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2.2 Groundwater Occurrence l

I Four hydrogeologic units are identified in the 1982 S&ME report.

The hydrogeologic units are differentiated based on their relative ability to transmit ground wa ter.

Unit I is the shallow aquifer beneath the site and includes the r

L unsaturated zone near land surface and the saturated shallow

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sediments (referred to as the Terrace Unit and includes the i

Okeefenokee Formation).

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Unit 11 is the upper 35 feet to 60 feet of the Black Mingo Formation which is composed of dry clay and brittle shale ' (referred to as the Upper Black Mingo Unit of the Black Mingo Aquifer System and is a confining unit).

I Unit til is the basal sand portion of the Black Mingo Formation (referred -

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to as the Lower Black Mingo Unit of the Black Mingo Aquifer System and is an artesian sand aquifer).

Unit IV is the Tuscaloosa Aquifer System which consists of the sands and clays of the Tuscaloosa Formation.

Groundwater occurs in Unit I under unconfined (water table)' conditions.

The water table' within this unit is generally a subdued replica of the ' topography.

I Except for some moisture in the upper 3 feet, Unit 11 is dry and-does not contain groundwater.

Units III and IV are artesian sand aquifers, in which the groundwater occurs under confined conditions.

2.3 Groundwater Movement The principle controls on the flow of groundwater in Unit I are (1) topography and the location of groundwater recharge and discharge areas, (2) the rate of groundwater recharge, (3) horizontal stratification within Unit I, and (4)

I the presence of the Upper Black M.ingo Unit' (Unit -II) which restricts' downward flow of groundwater.

Unit I beneath the plant property 'is-recharged primarily by infiltration of precipitation at land surface.

Groundwater moves ' from the topographically higher areas of the property laterally toward the topographically lower areas where groundwater discharges to the surface water.

The lakes and swamps in the south and southwestern portion of the property are the discharge areas for groundwater from Unit I.

Groundwater from Unit I is effectively prohibited from moving downward by the confining - unit formed by the upper portion of the Black Mingo Formation.

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r Figure 22 is a-potentiometric map of Unit I in the wastewater treatment arca prepared using water level measurements made at the operational monitoring wells on May 3,1988.

The water levels at wells W-10 and W 13 are higher <han I

expected because of possible sitting of the well screens.

As indicated on the potentiometric

map, groundwater flows to the south southwest from the wastewater lagoon arca toward the man made pond and Sunset Lake.

These surface water bodies are the likely discharge locations for the groundwater i

flowing beneath the waste t catment area and will tend to act as hydraulic barriers to the movement of contaminants past Mill Creek.

I The hydraulle properties of Unit I are discussed in detail in the 1982 S&ME report.

Borehole permeability tests performed by LETCO' !n 1980 indicated that radial hydraulic condt;ctivity in Unit I ranges from 0.02 feet / day to 0.88 feet / day, j

which are relatively low values in terms of groundwater production and I

contaminant movement.

The average transmissivity of Unit I was calculated to be approximately 9 fect / day (67 spd/ feet).

These hydraulic properties indicate that 2

Unit I

is a

poor aquifer for groundwater production and consequently contaminants will migrate slowly.

l Estimates of the average linear velocity of groundwater movement through j

Unit I are also presented in the 1982 S&ME report.

Values range from 0.1 fect/yr in the fine-grained strata to as much as 325 fect/yr in the more

-i

(

permeable strata.

The wide range of average linear velocities and the horizontal I

1 stratification within Unit I may 'be expected to cause differential. dispersion of

'i contaminants within the shallow aquifer.

The substantial thickness and apparent continuity of Unit' II beneath the property minimizes the possibility that groundwater from Unit I will move by l

downward vertical leakage into the underlying aquifers.

This statement is substantiated by the lack of moisture in samples of the Upper Black Mingo Unit obtained during previous investigations.

Estimates of vertical hydraulic conductivity of Unit II range from 10-7 cm/sce to 10 " em/sce as presented in I.

the 1982 S&ME report.

It is highly unlikely that vertical leakage through Unit II in the wastewater treatment area could be induced even if heavy off-site pumpage of th: underlying aquifers occurred.

R087.DPS 5

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4 2.4 G round walt: Utillra tion Groundwater at-the plant site is not currently utilized as a source of drinking water or for industrial use.

There is no known pumpage of groundwater on properties immediately adjacent to the plant property.

Much of. the - area on the southwest side of Bluff Road -(S.C. Highway 48, see Figurcs - l-1 and 12) to the northwest, southwest, and southeast of the plant property is undeveloped wetland which lies be. low - the 100 year flood elevation of= approximately 130 feet MSL (mean sea level).

Several tracts of farmland are utilized during thel growing season, but _ there is no known groundwater pumpage in thesc _ areas.

Small volumes (several gallons per minute) of groundwater are ~ withdrawn primarily for domestic use from small diameter wells in upgradient areas north and northeast of the plant property.

Local well drillers typically complete domestic wells to_ a depth of 50 to 80 feet, which is below the shallow aqu ifer.'

However, there are j

no known pumping wells within an approximate radius of I mile of the wastewater treatment area.

No water sdis are known to-be located hydraulically downgradient to the Congaree River.

Westinghouse Electric. Corporation owns. all

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of the property within at least 2000 feet of the wastewater treatment area.

It is not likely that the shallow aquifer (Unit I) in the vicinity of the plant could be utilized as a source of large volumes of groundwater.

Considering the low value of transmissivity calculated for the shallow aquifer..there is a minimum-i possibility that groundwater withdrawals on adjacent property -from Unit I would j

cause drawdown in the wastewater treatment area.

If large volumes of f

groundwater were needed by adjacent property owners, it is most likely that the artesian sand aquifers within the more prolific Tuscaloosa Formation (Unit IV) i would be tapped.

It is not likely that a sufficient quantity of groundwater could be pumped from the artesian sand aquifers in either the Black Mingo Formation or the Tuscaloosa Formation to affect the movement of groundwater in Unit I.

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3.0 EXTENT OF GROUNDWATER CONTAMINATION s

3.1 Toxlelty of Contaminants-P l

Ammonia Nitrogen is commonly ~ found, in groundwater as one. of three forms; ammonial

. (NH ), nitrite (NO ) and nitrate (NO ).

Concentrations of ammonia are normally 3

3 3

low in groundwater because-of the electrical properties of ammonia.

These properties cause : ammonia to be readily-adsorbed to soil particles and clay.

minerals and as a result, ammonia is not easily-leached - from. soils.- = Under the-proper ~ biogeochemical conditions, ammonia will oxidize to form nitrate L (NO )L 3

which is typically the more thermodynamically stable form ofL nitrogen in?

groundwater.

The, transition from ammonia - to nitrate is - a : two step process-that I

is controlled by the presence of certain > bacteria groups.

The first step -

(oxidation):is performed by the_ Nitrosomonas bacteria group, which reactT ammonia with oxygen to - form nitrite and water.

The second step. (nitrification) h performed by _the Nitrobacteria group which oxidize the nitrite ions inte nitrate ions.

The widespread occurrence of these two groups of bacteria 'in ' natoire ensure that most soil nitrogen will (eventually) be in the fo-ra of nibde rather than; ammonia (Brady,1974).

The process of nitrification in soil is enhanced if there is. good aeration, a

- I pH between - 5.0 to 3.0, and temperatures between 25 to 40'C.

Nitrification is inhibited in poorly nerated, water-logged soils, and is greatly impeded by _ strongly.

l acidic soils or water (Brady, 1974).

This latter condition is of;importance since the conversion of ammonia. to nitrite is an acid producing process - because of the-I production of hydrogen ions during the chemical reactions.

,i The form of nitrogen that is utilized by plants can be cither ammonia or i

nitrate depending on the type of plant species, environmental conditions and stage

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of plant development.

However, more plants tend to take up nitrogen as nitrate because it is more stable and less toxic to plants at high concentrations than nitrogen taken up us ammonia.

In addition, dissolved nitrate in surface waters 3

can be more readily assimilated by aquatic plants than rmmonia.

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I According to the National Academy of Science (NAS, 1977), dissolved nitrate at levels less than 1000 parts per million is not of significant concern in terms of toxicity to humans.

The primary concern for the occurrence of high levels of nitrate as a health hazard is the potential for conversion to nitrite under reducing conditions.

Some studies have indicated that in-excessive amounts, I

nitrate in drinking water can contribute to un infantile illness know as methomeglobimena.

The findings of ' these studies are the main reasons the limit

'of 10 mg/l for nitrate has been established for drinking 'wa ter (APHA 1985).

However, other studies have indicated that there are additional factors besides nitrate intake that may be of greater consequence in the development of the disease (NAS,1977).

I Fluoride I

Fluorine is the seventeenth most abundant element in the crust of the carth, and has widespread occurrence in nature in the form of minerals ; such - as fluorite and fluorapatite.

As a result, fluorine is present in most soils in small amounts.

The concentration of fluorine as an ion (fluoride) in groundwater is related to the natural solubility and content of fluorine. in the surrounding rocks and sediments.

Fluoride is present in most food stuffs, although the concentrations can very.

greatly.

Examples of food with high concentrations of fluoride are fish (up to 24 mg/kg), common drinking tea (few hundred mg/kg) and some vegetables (up to 3 mg/kg) (N AS,1977).

The primary concern related to high concentrations. of fluoride in drinking water is its effect on teeth and bone tissue, the most sensitive potential receptors in the body.

As a result, a margin of safety was applied to determine drinking water standards and a maximum safe concentration of fluoride was established (1.6

)

mg/l).

This concentration is below the level where mottling of teeth might occur from daily consumption of water.

However, according to recent studies (NAS, 1977), there is insufficient documentation or evidence of direct adverse effects on humans that regularly drink water containing fluoride above the desirable levels.

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3.2 Persistence of Contaminants e

The monitoring wells on site have been routinely sampled since early 1980.

The initial water quality samples were collected and analyzed for pH, _ dissolved ammonia and fluoride.

Later, in 1984, dissolved nitrate and specific conductance I

were added to the list of analyzed parameters.

The data from the monitoring program, which were supplied to S&ME by Westinghouse, is summarized in Appendix II.

Specific conductance (Ec) data are also presented in Appendix 11.

Specific conductance is an indicator of groundwater contamination, because high values usually indicate high concentrations of dissolved nutrients.

Composite graphical representations of the monitoring data for the-three parameters, ammonia, nitrate and

fluoride, as concentration vetsus time for selected wells can be found as Figure 3-1 through 3 11.

The wells selected for I

graphical display (W 7, W 10, W 13, -W 15, W-16, W 18, W 22, W 24, W 29, W-30, -

and W 32) are the wells SCDHEC has required Westinghouse to sampic as a special condition of the NPDES permit.

Monitoring well W 24 is considered as the background well.

A discussion of the trend for each parameter that was observed on the graphs is found below.

I Ammonia f

Although ammonia concentrations have fluctuated, the craphs-indicate that in most wcils there has been a

trend of a

gradual decrease in ammonia -

concentrations with time, it is only in the graphs for wells W-16 (Figure 35) i l

and W-18 (Figure 36) that ammonia levels do not exhibit this trend.

- However, the most recent sampling events for these two wells indicate. concentrations that are of minimal environmental concern.

Nitrate j

l As mentioned previously, dissolved nitrate levels have been measured in the monitoring wells only since 1984 In most wells, the decreasing trend has been l

similar to the trend for ammonia (decreasing in-concentrations with time),

although nitrate has demonstrated greater fluctuations with time (see trends for, R087.DPS 9

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. ells W 15, W 18,- and W 32).

In particular, the ' concentrations of nitrate at wells:

w W 10 (Figure 3-2) and W 13 (Figure 33) have decreased to a point where they

-are no longer of significant environmental concern.

The low nitrate levels at these two wells appear to be related to their location near the periphery of the nitrate plume in the shallow aquifer.

I Fluoride As with ' the other two chemical parameters, the presence of dissolved fluoride in the groundwater beneath the Westinghouse property has decreased in several wells - such as W 22 (Figure 3 *i),

7 most wells with time to low values.

In fluoride concentrations fluctuated considerably between : sampling events -in' the wcils such as W 13 (Figure 33).

carly stages of the sampling nrogram. ' At some and W-16 (Figure 3-5),

the concentrations have remained at consistently low I

levels.

Although a few wells, such as W-18 (Figure 3 6) and W 32 (Figure 3 il)'

are above the drinking water standard for fluoride -. of 1.6 mg/1,~ : two wells, W-7.

(Figure 31) 'and W 10 (Figure 3-2), are of particular ' note because of their I

elevated concentrations.

.7 have stayed relatively constant between W

The concentrations at well individual sampling events.

This may indicate that well W-7 is located within ~ the-center of the contaminant plume.

The: increase.in fluoride ' concentrations between -.

the latest two sampling events for W-10 (Figure 32) is - of concern, and could indicate plume migration in this direction.

However, more detailed examination of the graph indicates that fluoride levels have been consistently ' and significantly low over several recent sampling events.

Thus, increases in fluoride concentration may indicate plume movement, or be an artifact.of sampling / laboratory ' protocol and not necessarily indicative of trends in groundwater conditions at that well.

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3.3 Mohllitv of Contaminnnts

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The mobility of the contaminants is controlled primarily by the hydrogeologic q

properties of the shallow aquifer beneath the wastewater treatment area.

The contaminants migrate primarily by advection in the direction of groundwater flow as illustrated on the potentiometric map (Figure 2-2).

Thus, contaminants would 10 R087.DPS

be expected to migrate from the wastewater treatment lagoon area toward the man made pond and Sunset. Lake, where the contaminated groundwater is f

discharged into the surface water and diluted.

The fine grained materials (silt and clay) within. the shallow aquifer tend to retard the flow of contaminants in the groundwater because of their low permeability and ability to adsorb the ammonia and fluoride ions.

I The mobility of ammonia, nitrate, and fluoride in the. shallow aquifer is illustrated by the isopleth maps presented-as Figures 3 12 through 3 19.

The contours for the maximum contaminant levels (10 mg/l for nitrate and 1.6 mg/l for fluoride) that are currently allowed to be in the groundwater by the state I

regulations is indicated on the maps.

"Zero impact boundaries" are inferred on the maps where possible.

The isopleth maps demonstrate that - the contaminants-are limited to a relatively small portion of the Westinghouse Columbia Plant g

property between the wastewater treatment aren.and Sunset Lake.

Isolated B

concentrations of contaminants may be caused by differential flow rates - or dispersion within the shallow aquifer.

The historical data depicted on the isopleth i

maps indicate that the general flow of contaminants in the shallow aquifer is slow

~l and predictable; thus, the contaminants are not dangerously mobile.

3.4 Ef fect on Surf ace Water i

The nearest surface water to the wastewater treatment plant is Mill Creek I

which is impounded at several locations on the Westinghouse Columbia Plant property forming swamps and Sunset Lake.

Mill Creek is classified by SCDHEC

'i regulation 61-69 (Water Classifications) as a Class A stream suitable for primary I

contact recreation.

Primary contact recreation is. any activity with the intended purpose of direct water contact by the human body to the point of complete submergence.

A man made pond south of the wastewater. treatment area was allowed to overflow into Sunset Lake prior to 1980.

Since 1980, when fluoride and ammonia was first detected in the man-made pond, water has been isolated I

and pumped occasionally to the wastewater treatment lagoons to limit overflow of l

water into Sunset Lake.

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s Westinghouse routinely monitors Sunset Lake and no significant change in water quality has been noted.

It is likely that any contaminated groundwater that discharges directly into Mill Creek or overflows-from the man made pond will be diluted to background levels and ultimately discharged. to the Congarce ' River

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without significant deterioration of the surface water quality.

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'4.0_ CONTAh11 NATION MINIhllZATION.

Three potential sources of the ammonia fluoride contamination in the shallow aquifer in the wastewater treatment area were identified in 1980:

1

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possible _ leakage or spills of process waste and-raw materials from above ground storage tanks in the wastewater treatment arca; l

2.

possible leakage. from below-ground piping networks in the wastewater -

1 treatment area; and 3.

possible leakage through liners in th'c process waste lagoons,' which are.

labelled N (north), S (south), E (east), WI (west I), and W2 (west II) on

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Figures 13 and 1-4 y

The following remedial actions have been implemented by-Westinghouse -

Electric Corporation to minimize the addition of' contaminants to' the groundwater beneath the plant property.

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1.

Construction 'of containment structures.in 'the above-ground storage tank areas including concrete dikes and floors with -drains to contain and recycle any leaks or spills that may occur.

j 2.

Modified plant operational procedures to assure that the - diking systems function properly and are routinely monitored.

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Replaced below ground waste treatment piping networks with ' above-

_l ground piping.

q 4.

Relined all process lagoons using Hypalon liners.

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Established quarterly groundwater. monitoring to detect possible future

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L' releases.

6.

Installed-n: pump ' _ at the man made pond to pump-water to the wastewater treatment plant to minimize overflow into Sunset Lake.

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5.0 SUhlhl ARY -

I The following statements summarize, in the order that' the criteria are ~ listed in section 1.1 of this report,.the evidence presented in. this document that the l

Westinghouse. Columbia Plant property qualifics for the establishment of a

groundwater mixing zone.

1.

Reasonable measures have been taken.by Westinghouse ~ Electric Corporation Commercial - Nuclear Fuc!

Division.

to. minimize 'the possibility of ~ additional contaminants reaching' the groundwater 'in. the.

wastewater treatment area.

Remedial actions such as, diking. storage -

areas and relining. wastewater treatment lagoons, as described in section 4.0, have.bcen implemented.

Westinghouse ' has. committed to monitor surface water and groundwater on a quarterly basis to detcet any'-

future releases.

2.

Groundwater contamination is limited to - the shallow water-table aquifer (Unit I) beneath the area between the wastewater treatment area. and

-t Sunset Lake, A competent confining bcd composed of dry clay and q

shale (Unit II) underlics the shallow aquifer and effectively prohibits l

the downward' migration of contaminants into the artesian sand aquifers of the Black Mingo and Tuscaloosa Formations.

There is little potential that the shallow aquifer in the undeveloped areas surrounding :the i

wastewater treatment area will be used as a source of drinking water.

A potentiometric

map, discussed in section 2.3,-

indicates that groundwater discharges into a man made pond south of the wastewater treatment area and into Sunset Lake along Mill Creek.

No l

deterioration of water quality in Sunset Lake has been detected.

i 3.

The groundwater contamination is limited to 40 acres in the center of the approximately 1100 acre Westinghouse Columbia Plant property.

There is minimal possibility for groundwater withdrawals to create sufficient drawdown in any of the aquifers beneath the site to cause contaminants to flow more than 2000 feet off-site.

R087.DPS 15

a-.

L 4.

The contaminants (ammonia nitrogen, nitrate nitrogen, and fluoride) are naturally-occurring. substances 'that a r e -- not by themselves or in-combination with cach other, dangerously toxic, mobile - or persistent at, the present concentrations in solution within the shallow aquifer.

I I

I i

4 1

I I

i 1

I

l l

I l

sos >.oes

,e

$5&ME l

[

6.0 SELECTED REFERENCES APHA, 1985, Standard Methods for the Examination-of Water and Wastewater,

(..

14th edition: American Public Health Association, Washington, DC.

Brady, N.C.,

1974 The Nature and Properties of Soils, 8th edition: Macmillan Publishing Co., Inc., New York, NY.

National Academy of Sciences, 1977, Drinking Water and Health:

Safe. Drinking:

Water Committee, National Academy of Sciences, Washington, DC.

Soil and Material Engineers, Inc.

1982, Groun'dwater Hydrology of the Westinghouse Electric Corporation Plant, Richland County, South Carolina:

S&ME Report No. H 8119.'

h I

{

L t

L I

R087.DPS 17 i

q

l.-

I I;

g j

i T

APPENDIX i-

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E SAYLORS LAKE-U.S.G.S. 7.5 MINUTE TOPOGRAPHIC MAP OF WESTINGHOUSE 4

TOPOGRAPHIC QUJDRANGLE MAPS.

E PROPERTY AND VICINITY' 0

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MAP OF WASTEWATER TREATMENT AREA WITH MONITORING WELL LOC ATIONS.

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-1 l

4 HYDRO-GENERALIZED i

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1982 1983

..1984-1985

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=

5 g

r FIGURE. 3 3 WESTINGHOUSE COLUMBIA PLANT WATER-OUALITY GRAPH -

s S&ME JOB NO.: 4133-88-022 -

FOR WELL' W-7 E

3

ravagng,senvices :

m

.m

.m m.m m

. m ' m -- m mmm 3:

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1 1

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'1981 1982 1983 1984 19851 19861

, 1987 f

-YEAR z

d I

L FIGURE 3--2 WESTINGHOUSE COLUMBIA PLANT

-WATER-QUAUTY. GRAPH S&ME JOB NO.: 4133-88-022 FOR WELL W-10 '

sr O

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RVICES.

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E 200-a v

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1 a

1 1980 1981

1982.

1983.

1984 1985-1986~

1987 l

LYEAR:

i

- FIGURE 3-3 I

WESTINGHOUSE COLUMBIA PLANT

1

~..

?

WATER-QUALJTY GRAPH S&ME JOB. NO.i 4133-88-022 4

- FOR WELL ' W-13

. (;g g

S rwvegag,srants

w: (

r WELL W-15 300-

.I

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200-I .

FLUORIDE- (F)

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= -^

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' YEAR 8

_I

- r FIGURE 3-4 5

WESTINGHOUSE COLUMBIA PLANT

__ WATER-QUAUTY GRAPH

]

S&ME ~ JOB NO.: 4133-88-022

. p

L. ; ;.'

' FOR WELL W-15 5

.; E se RVtCES

-~.,-.m

-... _.... _ ~

m

_p.,

.._.m_

m m

t 1J J

WELL W-16 300-LEGEND C

~

AMMONIA (NH3)-

a

)

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E 200-A v

Z

~

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H

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8 I

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FIGURE 3-5 WESTINGHOUSE COLUMBIA PLANT WATER-QUALITY. GRAPH s.

j S&ME JOB NO.: 4133-88-022 f:'g--

- FOR WELL W._

E

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WESTINGHOUSE COLUMBIA PLANT WATER-OUALITY GRAPH i

S&ME JOB NO.: 4133-88-022 FOR WELL W-22

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l FIGURE 3-11 3

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ISOPLETH M AP OF AMMONIA CONCENTRATION IN UNIT I NOVEMBER 3.1980 l

l WESTINGHOUSE. COLUMBIA PLANT S&ME JOB NO.: 4133-88-022 l

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ISOPLETH MAP OF AMMONIA CONCENTR ATION IN UNIT I DECEMBER 11.1987 WESTINGHOUSE, COLUMBIA PLANT S&ME JOB NO.: 4133-88-022' f

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l ISOPLETH M AP OF NITR ATE f

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OCTOBER 24-25,1984 WESTINGHOUSE, COLUMBIA PLANT S&ME JOB NO.: 4133-88-022 l

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1 ISOPLETH M AP OF NITR ATE CONCENTR ATION IN UNIT I DECEMBER 11.1987 WESTINGHOUSE, COLUMBIA PLANT l

S&ME JOB NO,: 4133-88-022 I

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'~______e AREA OF ENLARGEMENT FROM FIGURE 1-3.

.I 200 0-200 400 Y

SCALE N FEET I' 5 o

i l

st LEGEND l

MONITORING WELL L-OCATION WITH F 1

e CONCENTRATION IN MILLIGRAMS PER LITER i

1 s ' I6 FLUORIDE ISOPLETH (INFERRED)

PLANT i

i l

I WASTEWATER TREATMENT LAGOON i

1 l

NR NOT REPORTED SI l

APERTURE.

i CARD i

l l

l Also Available On Aperture Card

[

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1 S&ME ENVIRONMENTAL SERVICES l

COLUMBIA S.C.

j FIGURE 3-19.

ISOPLETH M AP OF FLUORIDE CONCENTR ATION IN UNIT I i

f DECEMBER 11,1987

)

WESTINGHOUSE, COLUMBIA PLANT S&ME JOB NO.: 4133-88-022 h

I

- -. - - - - - _ -.. -. -. -. ~.... - _ -. _ _ - - _ _. -

l i

i I

1 APPENDIX 11 TABLES OF WATER-QUALITY-AND l

WATER-LEVEL DATA g

I I

3 g

l

[

I

d s

TABLE OF WATER-QUALITY DATA WELL W-3A DATE pH NH3 NO3 F

EC

'06/27/85 G. 2

<1.00

<1.00 35.00 09/08/85

5. 8 1.00 1.00 1.00 29.00 12/08/85

5. 8

<1.00

<1.00 1.50~

35.00

(

03/25/86

6. 4

<1.00

<0.10

<1.00 77.00 06/21/86

6. 2 2.00

- < 0.10 1.40 86.00 09/12/06 6.1 1.40

<1.00

<1.00 77.00

(

12/18/86 7.1 3.10

<0.10

<1.00-84.00-03/31/87

6. 8 2.00 0.10 2.00 90.00 06/26/87' 6.1 1.90

<0.10

<1.00 89.00-09/30/87

6. 7 1.70

<0.10

<1.00 4 100.00 12/11/87

6. 8

<1.00

-30.00

(

{

l Notes:

1) pH values are in standard units

2) NH3, NO3, and F values are in milligrams / liter.

3) Ec (specific conductance) values are in micrombos/cm.

M TABLE OF WATER-QUALITY DATA WELL W-6 DATE pH NH3 NO3 F

EC 1

06/03/80

7. 3 4.00 3.60 1

06/23/80 7.1 6.60-12.00 07/09/80 09/11/80 1

11/03/80

7. O 1.50 0.65 11/11/80 01/23/81

6. 9 7.00

<1.00 05/12/81

6. 6

1. C.

0.40.

1 09/10/81

6. 8 1.00 1.80 11/15/81

6. 5 1.20 1.00 01/20/82

6. 3

<1.00 1.40 1

06/09/82

6. 0

<1.00 0.40 11.00 09/21/82

6. 4

<1.00

<0.50 12/19/82

6. 2 1.00 0.50 04/15/83

6. 5 1.00 0.40 55.00 09/25/83

6. 3

<1.00

<1. 00 62.00 12/12/83

6. 5 3.70 0.30 52.00 05/27/84

6. 2 1.00 2.00 42.00 10/24/84

6. O O.23 0.28 175.00 12/22/84

5. 3

<0.50 94.00 03/28/85

{

06/27/85 3

09/08/85 12/08/85 03/25/86

_ 1 06/21/86 09/12/86 1

12/18/86 03/31/87 06/26/87 09/30/87 12/11/87

6. A

<1.00 2.50 19.00 78.00 l

1 i

. Notes:

1) pH values are in standard units

2) NH3, NO3, and F valuen are in milligrams / liter.

3) Ec (s:pecific conductance) values are in micrombos/cm.

'?

w l

TABLE OF WATER-QUALITY DATA WELL W-7 DATE pH NH3 NO3 F

EC I

06/03/80

9. 3 896.00 125.00

~l 06/23/80 9.1 900.00 150.00

_B 07/09/80 J

09/11/80 1

11/03/80

9. 2 375.00

.136.00 11/11/80

9. 3 500.00 130.00 01/23/81

9. 4 900.00-130.00 05/12/81

9. 4 700.00 60.00 I

09/10/81

9. 4 860.00 104.00 11/15/81

9. 4 580.00 92.00 01/20/82

9. 3 720.00 110.00 I

06/09/82

9. 3 680.00 83.00 320.00 09/21/82

9. 3 600.00 120.00 12/19/82

9. 4 500.00 100.00 I

04/15/83

9. 3 660.00 96.00 3200.00 09/25/83

9. 3 371.00 105.00 3000.00 12/12/83

9. 3 406.00 95.00 3000.00 05/27/84

9. 2 445.00 91.00 2900.00 1

10/24/84

8. 8 200.00 200.00 92.00 305.00 12/22/84

9. 2 102.00 3200.00 03/28/85

9. 2 471.00 210.00 104.00 3000.00 1

06/27/85

9. 3 314.00 135.00 100.00 1090.00 09/08/85 9.1 244.00

<1.00 68.00 2200.00 12/08/85

9. 0 299.00 120.00 80.00 2500.00 03/25/86

8. 9 297.00 150.00 86.00 2200.00 1

06/21/86

9. 0 240.00 92.00 80.00 2500.00 09/12/86

9. 0 248.00 110.00 93.00 2280.00 12/18/86

9. 3 343.00 128.00 82.00 2450.00 I

03/31/87

8. 9 272.00 110.00 87.00 1988.00 06/26/87

9. 0 268.00 87.00 82.00 2287.00 09/30/87 9.1 295.00 123.00 86.00 2200.00 12/11/87 9.1 223.00 128.00 88.00 2300,00 i

i Notes:

1) pH values ar'e in standard units

2) NH3, NO3, and F values are in milligrams / liter.

3) Ee (specific conductance) values are in micromhos/cm.

I I

TABLE OF WATER-QUALITY DATA WELL W-8 I

DATE pH NH3 NO3 F

EC 06/03/80

7. 7 19.00 14.00 06/23/80

6. 7 20.00

<0.20 07/09/80 09/11/80 L

11/03/80

6. 5 4.20 1.10 11/11/80 01/23/81

7. 0 4.00 1.00 I

05/12/81

6. 6 1,. 3 0 0.80 09/10/81 11/15/81

7. 3 5.60

<1.00 01/20/82

7. 2 8.00 0.60 1

06/09/82

7. 3 8.80 0.70 38.00 09/21/82

6. 7 12.00 1.00 12/19/82

6. 8 14.00

-0.50 1

04/15/83

6. 9 6.00 0.60 290.00 09/25/83

7. 2 16.00

<1.00 350.00 12/12/83 7.1 23.00 0.50 520.00 i

G5/27/84

7. 0 20.00 2.30 460.00 10/24/84

7. 2 20.00 0.58 700.00 12/22/84

6. 7

<0.50 540.00 03/28/85 1

06/27/85 09/08/85 12/08/85 1

03/25/86 06/21/86 09/12/8G 12/18/86 I

03/31/87 06/26/87 09/30/87 12/11/87 I

I Notes:

1) pH values are in standard anits

2) NH3, NO3, and F values are in milligrams / liter.

3) Ee (specific conductance) values are in micromhos/cm.

w

~

L TABLE OF WATER-QUALITY DATA WELL W-9 DATE pH NH3 NO3 F

EC I

m,_____

06/03/80

6. 8 4.00 2.10 1

06/23/80

5. 4 3.00

<0.20 07/09/80 09/11/80 1

11/03/80

5. A

<1.00

<0.50 11/11/80 01/23/81

5. 7 2.00

<1.00 05/12/81

5. 6 1.00 0.20 1*

09/10/81

5. 7 1.20 0.50 11/15/81

5. 5 25.00

<1.00 01/20/82

5. 8

<1.00

<0.50 1

06/09/82

5. 7 3.00 0.40 22.00-09/21/82

5. 6

<i.00

<0.50 12/19/82

5. 9 1.00 0.50 04/15/83

5. 7 1.00 0.60 09/25/83

5. 8

<1.00

<1.00 210.00 12/12/83

6. 4 1.60

<0.20-240.00 05/27/84

5. 6 1.00 2,30 250.00 I

10/24/84

6. 7 0.17 0.08 275.00 12/22/84

6. 6

<0.50

~ 260.00 03/28/85 1

06/27/85 09/08/85 12/08/85 1

03/25/86 06/21/86 09/12/86 12/18/86 l-03/31/87 06/26/87 09/30/87 12/11/87 l

I Notes:

1) pH values are in standard units

2) NH3, NO3, and F values are in milligrams / liter.

3) Ec (specific conductance) values are in micrombos/cm.

l ll i

mieim m

i

TABLE OF WATER-QUALITY DATA WELL W-10 I

DATE pH NH3 NO3 F

EC 06/03/80

8. O 8.00 32.00' I.

06/23/80.

7. 5 125.00 33.00 07/09/80-09/11/80 11/03/80

- 7. 1 98.00 23.00 11/11/80

.01/23/81 7.1 90.00 15.00 05/12/81 7.1 150.00 24.00 09/10/81 7.1 100.00 18.00 11/15/81

7. 2 90.00 12.00 01/20/82

6. 8 110.00 39.00 I

06/09/82

6. 6 92.00

18.00 100,00.

09/21/82 6.1 6.00 1.00 12/19/82

6. 7 84.00 20.00-04/15/83 i

-09/25/83 7.1 53.00 13.00 620.00 12/12/83

7. 4 63.00 17.10-900.00 05/27/84

6. 3 14.00 11.50 410.00 I

10/24/84

7. 7 20.00 39.00 20.00 750.00 12/22/84

6. 9 19.00 700.00 03/28/85

6. 5 9.50

<0.10

<1.00 110.00 I

06/27/85

6. G 22.00 1.00 7.00 250.00 09/08/85

6. 6 4.00

<1.00 4.00

.180.00 12/08/85

5. 9 1.00

<1.00.

5.00

'180.00 I

03/25/86 6.1 1.30

<1.00 1.30.

80.00 06/21/86

6. 8 19.00

<1. 00 7.80-330.00 09/12/86

6. 5 19.00

<1.00

<1.00 250.00 l

12/18/86

7. 3 6.00

<1.00

> <1. 00 90.00 l,

I 03/31/87

5. 9 4.00

<1.00 2.00 97.00-t 06/26/87 6.1

<1.00 1.10 1.60 ~

114.00 09/30/87

6. 7 6.30

<0.10

<1.00 1200.00 12/.11/87

6. 7 5.00

<1.00 38.00

'110.00 j

i I

Notes:

1) pH values are in standard units

2) NH3, NO3, and F valuen are in milligrams / liter.

3) Ec (specific conductance) values are in micromhos/cm.

I:

~~

TABLE OF-WATER-QUALITY DATA WELL W-11 I

DATE pH NH3 NO3 F

-EC-06/03/80

8. 0 4.00 0.90 06/23/80

6. 5 2.40 19.00.

07/09/80 09/11/80 1

11/03/80

6. O

<1.00

< 0. 50i 11/11/80 01/23/81

6. 7

<1.00

< 1. 00.

1 05/12/81 6.1 1.00 0,2 0 09/10/81

6. 9 2.00 0.50 11/15/81-

5. 8

<1.00

<1.00 01/20/82

6. 0

<1.00

<0.50 1

06/09/82

6. 0 1.00 0,20 11.00 09/21/82 6.1

<1. 00 ~

<' 50 12/19/82

5. 9 1.00 0.50 I

I 04/15/83

6. 0 1.00 0.40 120.00 09/25/83

6. 0

<1.00 2.60 100.00 12/12/83

6. 2 3.70 0.40 100.00 05/27/84

6. 0 5.50 31.90 100.00 1

10/24/84

8. 6 88.00 38.00 1750.00' 12/22/84

6. 6

<0.50 15.00 l

03/28/85

.I 06/27/85 09/08/85 q

12/08/85 I

03/25/86 06/21/86 09/12/86 12/18/86 i

03/31/87 06/26/87 09/30/87 12/11/87

6. 8 35.00

<1.00

<1.00 1540.00

~ !

1 l

I "I

Notes:

1) pH values are in standard units i

2) NH3, NO3, and F values are in niilligrams/ liter.

3) Ec (specific conductance) values are in micromhos/cm.

w _'

L_

TABLE OF WATER-GUALITY DATA WELL W-12 DATE pH NH3 NO3 F

.EC 1

OG/03/80'

7. 7 12.00 7.60 1

06/23/80 6.4 3.30 1.00-07/09/80 09/11/80 I

'11/03/80

6. 5 1.50 1.10'

)

11/11/80 l

01/23/81

7. 0

<1.00

<1.00 05/12/81 6.3' 1.00 0.20 1

09/10/81

7. 3 1.00 0.50 11/15/01 6.1

<1.00

<1.00 01/20/82

6. 3 2.00

<0.50 1

06/09/82

6. 2 2.00 0.10 4.30 09/21/82

6. 2

<1.00

<0.50 12/19/82

6. 5 1.50 0.50~

j 04/15/83

6. 2 1.00 0.20 4'.00 7

g 09/25/83

6. 7

<1.00 2.50 59.00 12/12/83

6. 7 1.50 0.40 700.00 l

05/27/84

6. 5 1.50 2.10 61.00' l

10/24/84

7. 7 11.80 0.16 230.00 1

12/22/84

6. 9

<0.50

-52.00 03/28/85

-l 06/27/85 l

B 09/08/85 12/08/85 I

O2/25/86 06/21/86 09/12/86 12/18/86 i

03/31/87 06/26/87 i

09/30/87 12/11/87

6. 5 2.50

<1.00

<1.00 130.00 i

I I

Notes

1) pH values are in standard units

2) NH3, NO3, and F values are in milligrams / liter.

3) Ec (specific conductance) values are in micrombos/cm.

2

s-J.

TABLE-OF WATER-QUALITY DATA WELL-W-13 I'

DATE pH NH3 NO3

.F EC 06/03/80

8. 5 34.00 C. 40 1

06/23/80'

8. 3 -

80.00 76.00 07/09/80 09/11/80 I

.11/03/80

7. 8 75.00 5.50' 11/11-/80 01/23/81 8.1 -

64.00 3.90 05/12/81

7. 8 62.00 3.00 09/10/81

7. 6 250.00 3.80 11/15/81

7. 5 72.00 2.00 01/20/82

7. 6 66.00 3.60 A

I 06/09/82

7. 3 60.00 2.10-80.00 j

09/21/82

6. 6 10.00

<1.00 12/19/82

7. O

'58.00 2.50-4 04/15/83 7.1 5.00 2.00 760.00 j

09/25/83 7.1 J43.00 3.70 620.00

'i 12/12/83

7. 3 44.00

=2.00 720.00 05/27/84

6. 7 13.00-2.20 330.00' I

10/24/84

7. 5 17.50 4.80 1.30

-640.00 12/22/84

7. 2 1.40

'500.00 03/28/85

6. 7 24.00 4.40

<1.00 490.00 1

06/27/85

6. 5 13.00 1.00 1.00 200.00 09/08/85

6. 4

<1.00 4.00

<1.00 155.00-12/08/85 61 1.40

<1.00

-<1.00.

150.00 03/25/86 6.1 4.40 4.10 1.50 230.00 1

06/21/86 S. 6 29.00

<1.00 2.30 500.00 j

09/12/86 6.1 3.00

<1.00

<1.00 458.00 12/18/86-

7. 2 3.00 1.00 1.70 290.00 r

03/31/87

5. 3

<1.00 10.00 2.00 173.00 06/26/87

7. 2

<1.00

<1.00 1.10-

-160.00 09/30/87

5. 7

<1.00

<0.10

<1.00

~140.00 l

1 12/11/87 5.8

<1.00 9.30

<1.00 200.00 l

i i

l d

l Nctes:

1) pH values are in standard units

2) NH3, NO3, and F valuen are in mil'ligrams/lster.

3) Ec (specific conductance) values are in micrombos/cm.

~.

~

1

I I

TABLE OF WATER-QUALITY DATA-WELL W-14 I-DATE pH NH3 NO3 F

'EC 06/03/80 7.6-8.00 0.50 I.

06/23/80

6. A

<1.00

<1.00 07/09/80 09/11/80

.l 11/03/80

5. 9

<1.00

<0.05 B

'11/11/80 1

01/23/01

6. 5

<1. 00

<i.00 05/12/81

6. 4 1.00 0.20 I

09/10/81

6. 8 1.00 0.50 11/15/81

5. 8

<1.00

<1.00 01/20/82

6. 3 3.10

<0.50 06/09/82

5. 9

<1. 00

<0.10 5.00-09/21/82

5. 8

<1. 00

<0.50 12/19/82

5. 9 1.00 0.50

_l 04/15/83

6. 0 1.00

'O.20 67.00 B

09/25/83

6. 3

<1.00 2.30 60.00 12/12/83

6. 9 1.40

<0.20 60.00 05/27/84 G. 9 1.00 2.20-59.00 10/24/84

' 6. 8 0.64

<0.05

.70.00 l

12/22/84

6. 7

<0.50-68.00 i

03/28/85 I.

03/28/85 06/27/85 6.1

<1.00 3.60

<1.00 40.'00 l

09/08/85 6.1 1.00 4.30 1.00 69.00-12/08/85

5. 8

<1.00 3.00

< 1. 00.

70.00 03/25/86

6. 0 3.70 1.50 226.00 06/21/86 6.1

<1.00 2.80 1.30 71.001 09/12/86 12/18/86 t'

03/31/87 06/26/87

-l 09/30/87 as 12/11/87 I

r i

Motes:

1) pH values are in standard units

2) NH3, NO3, and F valueu are in railligrarnc/ liter.

3) Ec (specific conductance) values are in rnicrornhos/crn.

I

I I

TABLE OF WATER-QUALITY DATA WELL W-15 I

DATE pH NH3 NO3 F

EC 06/03/80

7. 6 0.00 0.80 I

06/23/80

8. 6 152.00 58.00 07/09/80 09/11/80 I

11/03/80

8. 3 140.00 31.00 11/11/80 01/23/81

9. 0 280.00 24.00 g

g 05/12/81

8. 4 180.00 18.00 E

g 09/10/81

7. 2 58.00 28.00 11/15/81

8. 7 220.00 30.00 01/20/82

8. 4 145.00 31.00 06/09/82

7. 7 98.00 11.00 130.00 09/21/82 8.1 40.00 20.00 12/19/82

7. 0 100,00 14.00 I

04/15/83

8. 0 10.10 20.00 1850.00 09/25/83

7. 3 67.00 12.50 1100.00 12/12/83

7. 4 65.00 15.60 1001.00 05/27/84

6. 7 34.00 6.50 600.00 I

10/24/84 7.1 44.80 70.00 13.00 800.00 12/22/84

6. 9 18.00 100.00 03/28/85

7. 0 71.00 80.00 14.00 1000.00 06/27/85

6. 6 45.00 59.00 9.00 540.00 09/08/85

7. O

<1.00 44.00 8.00 520.00 12/08/85

6. 4 16.00 22.00 3.00 450.00 g

03/25/86

6. 3 17.00 42.00 3.90 560.00 3

06/21/86

6. 7 27.00 48.00 7.60 680.00 09/12/86

6. 6 13.00 40.00 3.20 427.00

~4 12/18/86

6. 4 5.00

<1.00

<1.00 460.00 03/31/87

6. 7 16.00 12.00 1.00 162.00 06/26/87

6. 4 9.50 47.00 2.50 500.00 09/30/87

6. 2 6.50 4.40 1.30 280.00 I

12/11/87

5. 9 2.70 28.00 1.00 440.00 12/11/87 I

I I

'ktas:

l

1) pH values are in s t e ncl a rd units 21 NH3, NO I, and F values are tn rd t 11 t g r arns /1 t t er.

d>

EC (Ep9C1fl0 Ccind uc t a nC 9 )

values a t' 9 in (O l C r'001h 0 5 / C fd.

I

1

,.f.

F l

TABLE OF WATER-QUALITY DATA WELL W-16 l-I DATE pH NH3 NO3 F

~ EC l

06/03/80

7. 6 29.00 3.20 1-06/23/80

7. 9 68.00 6.40 07/09/80 09/11/80 1

11/03/80

7. 4 59.00 8.60-11/11/80 01/23/81

7. 7 60.00 4.80 05/12/81

7. 6 56.00 4.40-1' 09/10/81

7. 3 19.00 4.407 11/15/81

7. 3 62.00 3.30 01/20/82

7. 5 56.00 3.60 I

I 06/09/82

7. 3 -

67.00 2.10 100,00 09/P1/82 7.1 26.00 2.90 12/19/82

7. 2 63.00 2.80 i

1 04/15/83

7. 2 5.40 3.00-880.00 4

09/25/83

7. 3 48.00 4.40

'780.00-12/12/83

7. 4 36.00 2.50 860.00 05/27/84

7. O 38.Ou 2.30 l61.00 1

10/24/84

7. 2 47.60 42.00 2.70 840.00-12/22/84

7. 3 3.00 820.00 03/28/85-1 06/27/85

7. 3 15.00' 4.40 2.00-

-300.00-09/08/85

7. 0 5.00 3.00 1.00 205.00 12/08/85

6. 8 28.00 15.00 3.00

'640.00

'l 03/25/86 7.1

<1.00 2.90 1.20

'250.00 lg 06/21/86 t:,. e 29.00 39.00

6.~ 00 640.00 1

09/12/M j

12/18/86 1

03/31/87

6. 8 47.00' 22.00

-3.00 660.00 06/26/87

6. 4 8.20 100.00 2.40 600.00 i

09/30/87

5. 9 9.10 43.00 1.60 5400.00 12/11/87 1

l 1

l t

Notes:

1) pH values are in standard units I

2) NH3, NO3, and F valueu are in milligrams / liter.

3) Ec (specific conductance) values are in micrombos/cm.

I I

TABLE OF WATER-QUALITY' DATA WELL W DATF pH NH3 NO3 F

5

__EC l

06/03/80

6. 7

- O.00 O.20 i

06/23/80

6. 5 26.00 12.00

!=

07/09/80 09/11/80

6. 5 11.00 5.80 j

11/03/80

6. 8 34.00 15.00' B

11/11/80 01/23/81 7.1 25.00 11.00' 05/12/81

6. 7 12.00 7.20 lI 09/10/81

7. 2 8.80 17.00 11/15/81 6.8 22.00 6.20 01/20/82

6. 9

-14.00 7.20 06/09/82

6. 9 27.00z 5.00 90.00-09/21/82

.i 12/19/82

6. 8 13.00 4.10 1

04/15/83

6. 8 3.40 2.10.

420.00-09/25/83

7. O 53.00.

13.60

-900.00 12/12/83

5. 9 20.00 8.80 1000.00 05/27/84

5. 8 1.00 2.80' 420.00

-1 10/24/84

6. 6 4.14 1.00

_4 3 5. 0 0 '

)

12/22/84

6. 2

-3.20 4G0.00 03/28/85 1

06/27/85

.l 09/08/85 I

12/08/85 1

03/25/86 06/21/86 09/12/86 12/18/86 1

03/31/87 06/26/87 09/30/87 12/11/87

7. O 59.00 98.00

< 1. 00 1150.00 I

I 1

Notes:

1) pH values at'e in standar'd units

2) NH3, NO3, and F values ar'e i n mi ll igr'ams/ li t er'.

3) Ec (spacific conductance) values a r'e in mict'omhos/cm.

{

3' b

'yf c

+

l_

W TABLE OF WATER-QUALITY-DATA.

WELL W-18" s

- t DATE pH

-NH3

'NO3:

F~

EC.'

06/03/80 06/23/80:

[

07/09/80l

8. 6 -

120.00L

56.00?

L 09/11/80;

' 8. 5 -

160.00 1 6. 0 0-;

11/03/80

8. 3.

'106.00

'42.00 11/11/80-(

01/23/81 8, 4 ;

92.00-33.001:

4 05/12/81

8. O 84.00

19.00 09/10/81 27, 8 :

46.00' 35.00"

{1 11/15/81

' 8. 2 105.00=

28.00' 01/20/82

5. 8 '

28.00:

19.00' 06/09/82

7. 2 142.00 23.00.

300.00s 09/21/82

5. 7 8.00 12.00-12/19/82'

5. 2 92.00 E4. 20X s

04/15/83

6. 8 5.00

21.00 E1420.00 09/25/83

6. 9 82.00 23.00-

1900.00-12/12/83

5. 7.

41.00 124.00

'980.00!

05/27/84 7.1 45.00 26.~001

870.007-10/24/84

7. 9

'88.50-128.00.

1 0. 0 0 ::

11000.00-

{:-

12/22/84

6. 2

.36.00i 5 5 0 0. 0 01.

03/29/85 7.1 71.00 50.001 122.00 11300.001 06/27/85 7; 2 70.00 57.00 25.00~

280.00 l;

09/08/65-

6. 4

'<1.00-80.00 J17.00L-800.00 IC 12/08/85

5. O

-7.00 55.'00 24.00)-

?1700.00 i

03/25/86

5. O 20.00

'86.00-1

.26.00

'. 7 6 0. 0 0 06/21/86 7.1 71.00 13.00' 17.00' 1160.00-1 09/12/86

6. 8 59.00 33.00

-24.'00

-1040.00' H

12/18/86

5. 8 33.00

-4.00 21.003 720.~00-I 03/31/87 6.1 26.00 59.00-15.00^

870.00' 06/26/87-

6. 8

'70.00-9.'40 18.00 1360.00" 09/30/87

6. 7

-15.00-92.00 15.00-1200.'00-12/11/87

' 7. O

<1.00 91.00-.

19.50

'1210.00.

i a

1-

-a

\\

i

+

Notes:

1) pH values-aro in standard units

2).NH3, NO3, and F valueu are in milligrams / liter..

. j

3) Ec (specific conductance) values are in micromhos/cm.

lo q

a, TABLE OF WATER-QUALITY DATA WELL W-19 i

DATE pH NH3 NO3 F

EC-06/03/80 06/23/80 07/09/80,

7. 8

<1.00 C. 30 09/11/80 l

11/03/80 11/11/80 01/23/81

6. 7 2.00-

<1.00 l

05/12/81

6. 2 1.00

-O. 20 -

J 09/10/81 6.1 1.00' O.50.

11/15/81

5. 5

<1.00

<1.00 01/20/82

5. 7 1.10'

<0. 50 -

06/09/82

<1.00 2.90-09/21/82

5. 5

<1.00

<0.50'

]1 12/19/82

5. 3 1.00 0.50 l

04/15/83

5. 6 1.00 C. 20 120.'00-1 B

09/25/83

5. 4

<1.00

<1.00 120.00' u

12/12/83

5. 6 1.00-

<0.20 1 4 0. 0 0-.

i 05/27/84

5. 5 1.00 1.90 120.00 1

10/24/84

7. 5 1.87

<0. 05 :-

140.00 1d/22/84

5. 5

<0,50 150.00 03/28/85 1

06/27/85

5. 5

<1.00 8.40

<1.00

-102.00 09/08/85

5. 9 1.00 9.70 1.00 140.00-12/08/85

5. 4

<1.00-7.'20 1.50 1500.00

_[

03/25/86

5. 6

<1.00 8.70 1.10' 150,00 g

06/21/86

5. 5

<1.00 8.20 1.70 158.00 09/12/86

5. 9

<1.00 8.40

<1.00

156.00 i

g 12/18/86

5. 5

<1. 00 -

7.90

<1.00 160.00

[

03/31/87

4. 9

<1.00 6.80 2.00 126.00.

06/26/87

5. 3

<1.00 8.90

<1.00 146.00 09/30/87

5. 4

<1.00 8.50

<1.00 300.00 12/11/87

7. 5

<1.00

<1.00 140.00 l

I l

Notes:

1) pH values are in standard units

2) NH3, NO3, and F values are in milligrams /11ter.

3) Ec (specific conductance) values are in micromhos/cm.

l l

a u

TABLE OF WATER-QUALITY DATA WELL W-20 l

l DATE pH NH3 NO3 F

EC=

g 06/03/80 l

06/23/80 q

07/09/80

6. 2

< 1. 00

<O.20 l

09/11/80 1

11/03/80

5. 7

<1.00

<O.50 11/11/80 01/23/81

6. 0 1.00

<1.00 l

05/12/81-

5. 7 1.00 0.20 l

09/10/81-

5. 9 1.00 0.50 11/15/81

5. 4

<1.00

<1.00 01/20/82 06/09/82

5. 6 2.00

<0.10 20.00-09/21/82

5. 4

<1.00

<0.50 12/19/82.

j 04/15/83 09/25/83

5. 6

<1. 00

<1.00 150.00 i

12/12/83 1

05/27/84

6. 2 115.00 2.00 140.00

]

10/24/84

8. O 2.80 0.10

'170.00-1 12/22/84

6. A 03/88/85 ~

<0.50 120.00

>i

~i 3

06/27/85 09/08/85 12/08/85 03/25/86 06/21/86 09/12/86 12/18/86 j

03/31/87 j

06/26/87 09/30/87

6. 8 43.00

<1.00

<1.00 1400.00 12/11/87

6. 6 6.70

<1.00

<1.00 190.00 3

i i

Notes:

1) pH values are in standard units

2) NH3, NO3, and F valuen are in mi11igrams/1 iter.

3) Ec (specific conductance) values are in micromhos/cm.

l t

A-h TABLE OF WATER-QUALITY DATA WELL W-21 I

DATE pH NH3 NO3 F

EC 06/03/80 I-06/23/80 07/09/80

5. 5

<1.00 O.40.

09/11/80 1

11/03/80

5. 6

<1.00

<0. 50 11/11/80

~j 01/23/81

5. 7

<1.00

' <1.00 l

I 05/12/81-

5. 6 1.00-O.20 09/10/81 11/15/81 01/20/82 I

06/09/82

5. 9

<1.00

<0.10>

22.00' 09/21/82

6. 6

<1.00

<O.50 12/19/82

5. 9

'1.00

.O.50 i

1 04/15/83

5. 8 1.00 O.20 270.00 09/25/83 12/12/83

6. 3 1.00

-O.20 200.00 05/27/84

5. 6 1.00 1'.40 138.00 1

10/24/84

7. 5 O.49

<0.05 170.00 12/22/84

6. 4

<0.50 250.00 1

03/28/85 1

06/27/85 09/08/85 12/08/85 1

03/25/86 06/21/86 09/12/86 g

12/18/86 g

03/31/87 06/26/87 09/30/87 12/11/87 I

Notes:

1) pH values are in standard units

2) NH3, NO 3, and F values are in milli Drams /1-iter.

3) EC (specific conductance) values are in taicromhos/cm.

l

~.

m I

TABLE OF WATER-QUALITY DATA WELL W-22 l

l I

DATE pH NH3 NO3 F

-EC 06/03/80 I

06/23/80 07/09/80

9. 0 580.00 116.00 09/11/80

~ 8. 9 600.00 19.40 1

11/03/80

8. 9 240.00 130.00 11/11/80

9. 0 300.00

-155.00 01/23/81

9. 7 700.00 150.00

'1 05/12/81-

9. 0 480.00 0.20 09/10/81

8. 8 25).00

_105.00 l

11/15/81

9. 0 410.00 12.00 01/20/82

8. 8 380.00 95.00 i

06/09/82

8. 6 180.00 43.00 210.00-

j 09/21/82

8. 8 36.00 13.00 l

12/19/82

6. 6 115.00 15.00 l

1 04/15/83

7. 0 7.00 21;00 1200.00 i

09/25/83

8. 8 209.00 100. 00

-2000.00 1

12/12/83

6. 7 30.00 16.40 980.00

)

1 05/27/84

7. 5 56.00 23.00 1300.00 10/24/84 8.1 361.00 160.00 79.00 200.00 12/22/84

8. 2

-47.00 2100.00 j

03/28/85

8. 8 406.00 130.00 100.00 3000.00-06/27/85

8. 9 265.00 121.00 99.00 1800.00.

' l 09/08/85

7. 3 58.00 49.00:

21.00 1080.00 12/08/85

5. 4 153.00 54.00" 34.00 1500.00-1 03/25/86

7. 8 158.00 87.00 33.00 1900.00 06/21/86

6. 2 4.00 17.00 2.00 235.00 09/12/86

5. 6 101.00

<1.00

<1.00 43.00-12/18/86

7. 7 62.00 4.00 16.00

'1600.00' 03/31/87

6. 8 44.00 44.00 15.00 810.00 06/26/8'i 8.1 15.00 42.00 31'.00 1360.00 09/30/87

6. 2 61.00 27.00 3.40 2500.00 12/11/87

6. 9 61.90 45.00 22.70 1230.00 Notes:

1) pH values are in standard units

2) NH3, NO3,. and F valueu are in nii lli grants / li t er.

3) Ec (specific conductance) values are in niicronihos/eni.

a i

TABLE OF WATER-QUALITY DATA WELL W-23 DATE pH NH3 NO3 F

EC i

06/03/80 06/23/80-07/09/80

6. 3

<1. 00 -

<0.20-09/11/80'

6. 3

<2. 00 C. 20:

11/03/80

5. 9

<1. 00

<0.50 11/11/80 01/23/81

6. O 2.00

. <1.00 05/12/81

5. 9 1'.00 0.20' 09/10/81

6. 7 50.00 O.60 j

11/15/81

". '5

<1.00

<1.00 01/20/82-t o 1.'00

<0. 50 -

1 06/09/82

5. 7 l 1.00

.O.10

14.00 09/21/82

6. 8

<1.00

<0.50' i

12/19/82

5. 4 1.00 0.50 04/15/83

'09/25/83

5. 6

<1.00

<1.00 10.00 12/12/83 6.1 0.80 120.00 05/27/84 a

10/24/84

7. 0 8.40

<O.05 120.00 12/22/84 6.1

<0.50 120.00 03/28/85 06/27/85

5. 7

< 1. 00 4.00

< 1'. 00 09/08/85

5. 9 1.00 4.20 1.00-4 12/08/85

5. 6

< 1. 00 4.30 1.40 120.'00-03/25/86

5. 6

<1.00 5.00 1.30 120.00 06/21/86

5. 7

<1.00 9.50 1.90 185.00 09/12/86

6. 4

<1.00 2.40

<1.00 124.00 12/18/86

5. 7 1.10 2.40

<1.00 77.00 03/31/87

6. 3

<1.00 5.20 2.00 77.00-06/26/87

6. O 2.20

<0.10

<1.00 225.00 09/30/87

5. 9

<1.00 4.30

<1.00 100.00 12/11/87

5. 4 1.10 2.30

<1.00 90.00 l

Notes:

1) pH values are in standard unite,

2) NH3, NO3, and F values are in milligrants/ li ter.

3) Ec (specific conductance) values are in micromhot Om.

L TABLE OF WATER-QUALITY-DATA WELL.W-24 I

DATE pH NH3-NO3-F EC-06/03/80 l

06/23/80 07/09/80

5. 9

<1.00

<0.20

-09/11/80 l

11/03/80 11/11/80 01/23/81 6.1 2.00

<.1. 00 05/12/81

6. 0 1.00' O. E9 09/10/81

6. 2 1.00 0.50 11/15/81-

5. 7

<1.00

<1.00 01/20/82

6. 2 1.00

<0.50 06/09/82

5. 9

<1.00 0.10 6.20!

09/2'/82

5. 7

<1.00

<0.50 j

12/19/82 5.8 1.00:

0.50 Ti 04/15/83 6.1 1.00

'O.20 70.00 09/25/83

5. 7

<1.00

- < 1. 00 58.00 12/12/83

6. 6 1.00

.1.00

'62.00-05/27/84

5. 8 1.00 2.00

-56.00 i

10/24/84

7. 8 1.12 0.12

<0.05' 70.00 12/22/84

6. 9 03/28/85

6. 2

<1.00

<0.10.

<0.50 62.00-

< 1. 00 -

70.00-06/27/85

5. 8 1.00

_1.00

_1.00 10.00 j

09/08/85

6. 4

<1.00

.2.00.

<1.00-90.00-12/08/85

5. 7

<1.00

<1.00 1.50 88.00 03/25/86 6.1

<1.00

'60.00.

~ '

06/21/86 6.1

<1.00

< 1. 00.

65.00 09/12/86

6. 4

<1.00

<1.00-60.00 12/18/86

6. 4

<1.00

- < 1. 00 80.00 03/31/87 6.1

<1.00

<1.00 1.00-19.00 06/26/87

5. 5

<1.00

<1.00 78.00 09/30/87

5. S

<1.00'

<1.00

<1.00 58.00 12/11/87

5. 9

<1.00

-60.00 i

4 i

Notes:

1) pH.alues ar's in stendar'd units

2) NH3, NO3, and F va1ueu aro in m111i gr'ams/1 iter'.

a

3) Ec (specific conductance) values a t'e in mict'omhos/cm.

i

TABLE OF WATER-QUALITY DATA-WELL W 'DFTE pH NH3 NO3 F

.EC 06/03/80 06/23/80 07/09/80

6. 3

<1.00

<0.20 09/11/80 11/03/80 11/11/80 01/23/81'

6. 8 8.00

<1.00 05/12/81

6. 4 1.00 O.20 09/10/81

6. 5

'1.40 0.50 11/15/81

6. 2 54.00

< 1. 00 -

01/20/82 06/09/82

6. 4 1.00 0.-30 16.00-09/21/82

6. 5

<1.00

<O,50 12/19/82 04/15/83 09/25/83

6. 6

<1.00

<1. 00 130.00 12/12/83

[ -

05/27/84

b. 4 1.00 2.40 121.00 10/24/G4 12/22/84

7. 5 11.00 150.00-03/28/85 06/27/85 09/08/85 12/08/85 03/25/86 06/21/86 09/12/86 12/18/86 03/31/87 06/26/87 09/30/87 12/11/87

7. 3

<1.00

< 1. 00 -

120.00 Notes:

1) pH values are in standard units

2) NH3, NO3, and F values are in mi11ig.'ams/1 iter.

3) Ec (specific conductance) values are in taicrombos/cm.

I 4

s a

w y;

l TABLE OF WATER-GUALITY DATA WELL W-26 DATE pH NH3l NO3 F

E'J g

B 06/03/80-l 06/23/80 07/09/80

6. 5 21.00

<10.00-j 09/11/80-

6. 5 64.00 0.20 I

I 11/03/80-

6. 4 4.60

<0 50 11/11/80 01/23/81'

6. 6 64.00

< 1. 00 05/12/81

6. 5 44.00 O.60' 09/1t../41'

5. 9 1.00=

1.50 11/15/81

6. 5

<1.00

<1.00 01/20/82

6. 6 44.00 1.10 1

06/09/82

6. 5 57.00 O.70 80.00-09/21/82

6. 5

<1. 00

'O.70 12/19/82

6. 4 54.00 2.00 1

04/15/83

6. 3 3.30 O.80

- 660.00-09/25/83 12/12/83

6. 8 40.00-0.40 820.00-05/27/84

6. 3 29.00 2.40 620.00-10/24/84

7. 2 35.50 O.58 640.00 12/22/84

7. O 122.00-03/28/85 800.00

.j' I

. <1.00l

. 400.00 l

06/27/85

6. 6

<1. 00 18.00 09/08/85

6. 9 28.00 20.00 1.00 590.00-t 12/08/85

6. 2 27.00 8.60.

2.50 620.00 03/25/86

6. 2 1.40 10.30

'1. 70 610.00 1

I 06/21/86

6. 7 39.00 15.00 2.30 660.00 09/12/86

6. 8 27.00 1.50

<1.00 640.00 12/18/86 7.1 37.00 9.50

<1.00 580.00-1 03/31/87

7. 9 15.00 O.60

<1.00 370.00 06/26/87

6. 3 34.00 10.00 2,40 566.00 09/30/87

6. 6 29.00 8.50 2.90 600.00 12/11/87

6. 7

<1.00

<1.00 50.00 1

t

- I f

I Notes:

1) pH values are in standard units

2) NH3, NO3, and F values are in milligrams / liter.

3) Ec (specific conductance) values are in micromhos/cm.

I i

is n iiem ' i i=ii i

iiii ii

, ii in im unis p-ii si wii i

a-

-.s w

TABLE OF WATER-QUALITY DATA WELL W-27' DATE pH NH3 NO3 '

F IEC I

06/03/80 1

06/23/80 07/09/80 6.1 1'.10

<0.20-

'09/11/80 1

11/03/80 11/11/80 01/23/81

6. 2

<1.00

<1.00-05/12/81

6. 2 1.00 0.20-09/10/81 6.1 1.10 0.50 11/15/81

6. 2 2.40

<1.00

{

01/20/82

5. 9

<1.00

<0.50 j

l 06/09/82 6.1 3.00-0.20' 35.00 1

P 09/21/82

5. 9

<1.00

<0.50 l

l 12/19/82

6. 3 2.40

-0.50; j

l

- 290.00-04/15/83

6. 0 1.00 0.20 09/25/83

6. 3 1.60

<1.00

'220.00 I

12/12/83

6. 3 2.20

<0. 20 180.00 i

05/27/84

6. 3 2.50 2.10 390.00-1 10/24/84

7. 0 3.02

= 0. 22 -

300.00 12/22/84

6. 5 10.00-310.00 03/28/85

-1 i

06/27/85

5. 9

<1.00 0.10

<1.00 160.00 1

09/08/85

6. 4 1.40 1.00 1.00

'200.00.

12/08/85

6. 0 1.60 0.10 1.50 240.00 1

03/25/86

6. 3 2.80

<0.10 1.10:

370.00 06/21/86

6. 7 3.00 0.20 1.60 215.00 09/12/86

6. 4 1.50

<1.00

<1.00 185.00 I

12/18/86

6. 5 4.40 0.30'

<1.00 250.00 03/31/87

7. 6

<1.00 4.00 1.00

~375.00 06/26/87

5. 7 1.70 0.10 1.20 225.00 j

09/30/87 6.1 2.00 0.40

<1.00 200.00-l 12/11/87

7. 3

<1.00 1.00

<1.00

'240.00' l

I Notes:

1) pH values are in standard units

2) NH3, f.03, and F valuen are 2 n niil ligranis/ li ter.

3) Ec (sheific conductancel values are i n ro i c r o m h o s / cro.

s c-l TABLE OF WATER-QUALITY DATA WELL W-28 I

DATE pH NH3 NO3 F

Ec4 06/03/80 I

06/23/80 07/09/80 6.70 4.20

<10.00 09/11/80-11/03/80 5.80 1.30 10.00 11/11/80 01/23/81 5.80 2.00

<1.00 05/12/81 5.70 2.40 0.20 09/10/81.

6.30 100.00 120.00 11/15/81 5.60 15.00 64.00 01/20/82 5.70 9.40 80.00 1

06/09/82 5.80 10.00 22.00 35.00 09/21/82 5.70 14.00 40.00 12/19/82 5.70 9.20 90.00 04/15/83 5.80 1.00 87.00 460.00-09/25/83 5.60 7.00 165.00 350.00 12/12/83 5.90 9.10 51.00 480.00 05/27/84 6.00 4.20 34.00 350.00 10/24/84 6.70 6.27 50.00 400.00 12/22/84 6.50 15.40 900.00 i

03/28/85 06/27/05 I

09/08/85 12/08/85 03/25/86 06/21/86 09/12/86 12/18/86 j

03/31/87 06/26/87 09/30/87

]

12/11/87 5.60 3.00 16.00 59.50 440.00 i

i

- I l

Notes:

1) pH values are in standard units; 2)

NH3, NO3, and F values are in milligrams / liter; 3)

Ec (specific conductance) values are in micromhos/cm.

l

5-i TABLE OF WATER-QUALITY DATA WELL W-29 I

DATE pH NH3

.NO3 F

Ec 06/03/80 06/23/80 07/09/80 8.60 290.00

-30.00 09/11/80 8.60 360.00 130.00 11/03/80 8.80 160.00 31.00:

11/11/80 8.90 230.00 33.00 01/23/81 9.20 680.00 34.00-05/12/81

-9.30 620.00 21.00 09/10/81 9.40 92.00 52.00

,1 11/15/81 8.90 765.00 38.00-01/20/82 9.50 750.00 10.00-

-06/09/82 9.4C 300.00 14.00

~450.00 09/21/82 9.50 620.00 15.00 12/19/82 9'.50 320.00 5.00 04/15/83 9.40 32.00 32.00 1700.00 09/25/83 9.40 200.00 31.00

.1400.00 12/12/83 9.40 150.00 1.20 2800.00 05/27/84 8.90 116.00 23.00

-1420.00' 10/24/84 8.60 142.00 92.00 24.80 1100.00 4

12/22/84 8.80

'170.00 03/28/85 9.20 165.00 70.00 27.00 1300.00 06/27/85 5.90 125.00 64.00 26.00-09/08/85 9.20 153.00

.187.00-25.00 1400.00 12/08/85 8.90 143.00 87.00 30.00 1600.00 03/25/86 06/21/86 9.00 110.00 28.00 17.00.

1050.00

(

09/12/86 8.80 99.00-57.00 22.00 1030.00 1

12/18/86 8.70 180.00

<1.00 19.00 1330.00 l

03/31/87 8.90 99.00 37.00 11.00 2280.00 06/26/87 8.60 94.00 40.00 17.00

-1010.00 09/30/87 8.30 68.00 22.00 14.00

'800.00 12/11/87 8.00 58.50 33.00

-5.50 880.00 j

i i

t Notes:

1) pH values are in standard units; 2)

NH3, NO3, and F values are in milligrams / liter; 3)

Ec (specific conductance) values are in micrombos/cm.

i 1

4

/-

TABLE OF WATER-QUALITY DATA

+

WELL W-30 l

l

.DATE pH NH3 NO3 F

Ec-06/03/80 06/23/80

.07/09/80 9.00 540.00 160.00-09/11/80 9.00 600.00 180.00 1

11/03/80 8.80-140.00 82.00 11/11/80 9.00 300.00 155.00 01/23/81 9.00 500.00 56.00:

I 05/12/81 8.90 250.00 39.00 09/10/81 9.10 150.00 130.00 j

11/15/81 8.50 200.00 20.00 01/20/82 8.40-182.00 33.00 I

06/09/82 8.90 415.00 105.00-250.00-09/21/82 8.30 220.00-19.00 i

12/19/82.

8.10 185.00 20.00 l

04/15/83 09/25/83 8.40 141.00 36.00 1900.00 12/12/83 05/27/84.

7.80

'1.20 22.00 2100.00.

I

[

10/24/84 7.90 194.00 315.00 21.00

'3800.00 i

12/22/84

'7.70 14.001 3000.00 j

03/28/85 7.70

'164.00 370.00 17.00 3700.00 i

1 06/27/85 7.50 109.00 310.00 23.00 09/08/85 8.10 159.00 502.00 29.00 3500.00 12/08/85 7.30 55.00 310.00 22.00 3800.00' I

03/25/86 6.80 118.00 391.00 23.00' 3800.00 i

06/21/86 6.50 109.00 330.00 25.00 3900.00l 09/12/86 6.60 70.00 355.00 30.00 3610.00 l

l 12/18/86 6.30 69.00 230.00 56.00 3550.00 03/31/87 6.00 48.00 380.00 66.00

-3250.00-4 06/26/87 6.10 42.00 230.00 34.00

'2300.00

.}

09/30/87 6.10 44.00 353.00 42.00.

2900.00 12/11/87 7.10 41.20 192.00 26'.30 2040'.00 I

Notes:

1) pH values are in standard units:

2)

NH3, NO3, and F values are in milligrams / liter; 3)

Ec (specific conductance) values are in micromhos/cm.

)

i

- i

x L

TABLE OF WATER-QUALITY DATA I

WELL W-31 I

06/03/80 06/23/80

~

07/09/80 6.60-6.00 O.30 09/11/80 1

11/03/80 5.70 1.50

<0.50 11/11/80

i 01/23/81 6.10 24.00

. <1.00-1 05/12/81.

6.80 20.00 1.40 09/10/81 7.10 34.00 1.00 11/15/81 6.50 20.00 1.00 01/20/82 7.10 11.00 1.10 I

06/09/82 7.10 20.00-0.80 41.00 09/21/82 6.30

-4.00

<0.50-12/19/82 61.50 32.00 0.80 1

04/15/83 09/25/83 6.60 15.00 1.00 320.00-12/12/83 6.70 17.00 0.40 360.00

j 05/27/84 6.70 5.40 2.30 190.00 5

10/24/84 7.60 14.20 0.34 320.00:

1 12/22/84 6.10 0.50

'300.00 l

03/28/85 I

06/27/85 09/08/85 i

12/08/85 I

03/25/86 06/21/86-09/12/86 l

12/18/86 03/31/87 06/26/07 3

09/30/87 1

12/11/87 i

I l

Notes:

1) pH values are in standard units; 2)

NH3, NO3, and F values are in milligrams / liter; 3)

Ec (specific conductance) values are In micrombos/cm.

..,..t,

.......,,,,-,,..I

,.,,,,,j,,,,,,,,,,,,,,q TABLE OF WATER-QUALITY DATA-WELL W-32 DATE pH NH3 NO3 F

Ec-06/03/80.

06/23/80 07/09/80 9.00 310.00 39.00 09/11/80 8.90 340.00 61.00 I.

11/03/80 8.80 165.00 46.00 11/11/80 8.90 215.00 49.00 01/23/81 9.00 550.00.

48.00 l

I 05/12/81 8.90 220.00 27.00 0

09/10/81 9.00 300.00-52.00 11/15/81 8.90 280.00-36.00 1

g 01/20/82 9.30 265.00 49.00 1

3 06/09/82 8.90 320.00 37.00 210.00 09/21/82 8.80 350.00:

24.00 12/19/82 9.00 71.00 4.60

.I 04/15/83 8.90 330.00 38.00

'2000.00 09/25/83 8.90 181.00 49.00 1800.00

.12/12/83 9.00 180.00 48.40

'1800.00 I-05/27/84 8.80 188.00 38.00 1600.00 10/24/84 7.70 2.13 2.30 0.40 110.00 l

12/22/84 8.70

-42.00 2000.00-03/28/85 5.60

<1.00 5.40

~<1.00 180.00 06/27/85

'6.40 3.00

-3.10 1.00 09/08/85-6.40 13.00

-<1.00

<1.00 260.00

' i 12/08/85 8.60 183.00 86.00 41.00-2000.00 l

I 03/25/86 8.60 179.00 118.00 31.00 1900.00 1

06/21/86 8.70 159.00' H3 4. 0 0 ~

32.00 1550.00 09/12/86 8.60 145.00 3.00 37.00 1650.00 I.

12/18/86 6.90 5.00

<1.00

<1.00 1670.00 03/31/87 9.00 234.00 100.00 89.00-1950;00 06/26/87 5.50 0.50 9.40 1.10 418.00 t

09/30/87 7.50 164.00

<1.00 33.00 2300.00 12/11/87 8.20 141.20 16.00 37.50 1320.00 1

i I

I Notes:

1) pH values are in standard units; 2)

NH3, NO3, and F values are in milligrams / liter; 3)

Ec (specific conductance) values are in micromhos/cm.

I

a-I TABLE OF WATER-QUALITY' DATA WELL W-33

- I-06/03/80 06/23/80 07/09/80 6.80

. <1.00 0.20

-g 09/11/80 5.70

<2.00 0.20'

'g 11/03/80 5.40 21.00

<0.50 01/23/81 5.90-3.00

<1.00-

j 05/12/81 5.40L 1.00

-0.20 I:

09/10/81' 6.10 3.40 0.50

)

11/15/81 5.50

<1.00

<1.00 1

01/20/82 5.90

<1.00

<0.50

.g 06/09/82 5.60 2.00

<0.10-15.00 3

09/21/82 5.10'

<1.00

<0.50' 12/19/82 5.00 1.00 0.50 04/15/83 5.30 1.00 0.30

'210'.00 _

09/25/03 5.40

<1.00

<1.00 170.00 12/12/83 5.70 10.00

<0.20 190.00 1

05/27/84 5.20 1.00 1.30-180.00 i

-l 10/24/04 7.50 0.791 0.28 180.00 m

12/22/84 J.90

'<0.50 180.00 03/28/85 06/27/85 I'

09/08/85 12/08/85 03/25/86 l

06/21/86 09/12/86 12/18/06 l

03/31/87 06/26/87 09/30/87 12/11/87 5.90

<1.00 8.70 37.60 200.00 I

I 1

r l

Notes:

4 1) pH values are in standard units; i

2)

NH3, NO3, and F values are in milligrams / liter; 3)

Ec (specific conductance) values are in micromhos/cm.

i-

-n SUMMART OF WATER LEVEL DATA VESTINGHOUSE COLUM8IA PLANT LAND SURFACE HEIGHT H.P ELEVATIOR VATER LEVEL VELL ID DATE ELEVATIOR A80VE L.S H.P.

BELOV M.P.

ELEVATIOR j

i

. V 06 05/03/88 137.8

- 0.6 137.2 11.2

'126.0 W 07 05/03/86 134.1 1.8

-135.9' 11.1-124.8 V 08- 05/03/88 Abandoned V-09 05/03/88' Abandoned V-10 05/03/88 138.3.

0.0 138.3 4.6 133.7 V-11 05/03/88 139.7 0.0 139.7 16.7 123.0 V-12 ' 05/03/88 - Abandoned'

.l V-13 ' 05/03/68 137.2 0.0 137.2-0.4 136.8 V-14 06/21/86 134.5 2.0 136.5 15.3 121.2-

'V-15 05/03/88 127.5 1.8 129.3-12.3 117.0 i

V-16 03/24/88 126.9

' O.0 126.9-3.2 123.7-V-17 05/03/88 138.7 0.0 138.7 12.9 125.*

1 V-18 05/03/88 138.6

- 0.7 137.9 11.1 126.8

-l V-19 05/03/88 141.7 1.9 143.6 DEY V-20 05/03/88 Abandoned V 21 05/03/88 Abandoned q

V-22 05/03/88 138.0

- 0.4 137.6 11.5 126.1 V 23 05/03/88 138.8 1.8 140.6 17.1 123.5 V-24 05/03/88 141.3 1.6 142.9 9.6 133.3 V 25 05/03/88 115.9 1.2 117.1 8.8 108.3-V-26 05/03/88 141.8 1.0 142.8 24.7 118.1 V-27 05/03/88 121.8 1.4 123.2 10.2 113.0 U-28 05/03/88 137.9 1.6 139.5 12.5 127.0 i

V-29 05/03/88 138.2 0.0 138.2 10.5 127.7 E

V-30 05/03/88 138.4 0.1 138.5 10.9 127.6 U

V-31 05/03/88 Abandoned V 32 05/03/88 140.9 0.0 10.9 17.5 123.4 V-33 05/03/88 139.1 1.6 140.7 15.8 124.9 h

- j 7

Notes: 1) All values in feet.

2) M.P. is esasuring point (top of casing).

3) L.S. is land surface.

4) Vell V 14 replaced 05/04/88.

1

..

ML20034B552

Contents

Text

Subject:

Dear Mr. Fischer:

1.0 INTRODUCTION

1.2 Background

1.0 INTRODUCTION

=

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ML20034B552

Text

Subject:

Dear Mr. Fischer:

1.0 INTRODUCTION

1.2 Background

1.0 INTRODUCTION

=

Navigation menu

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