ML17340A083

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Groundwater Monitoring Program,Jul 1979-June 1980
ML17340A083
Person / Time
Site: Turkey Point  NextEra Energy icon.png
Issue date: 07/09/1980
From:
DAMES & MOORE
To:
Shared Package
ML17340A082 List:
References
NUDOCS 8008110445
Download: ML17340A083 (149)


Text

SUMMARY

REPORT JULY, 1980 ANNUAL MEETING SFWMD/FPL GROUND WATER MONITORING PROGRAM TURKEY POINT, FLORIDA FLORIDA POWER

& LIGHT COMPANY JOB NO.

04598-047-26 July 9, 1980 BOCA RATON, FLORIDA OOOOP o~----

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TABLE OF CONTENTS Section Pacae

1.0 INTRODUCTION

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1 2.0 DATA REVIEW.....................................

3 3.0

SUMMARY

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9 APPENDIX A TIME HISTORY DATA APPENDIX B

CONDUCTIVITY CHLORINITY CALIBRATIONS APPENDIX C

INTERCEPTOR DITCH OPERATION APPENDIX D VARIATIONS FROM HISTORICAL ENVELOPE CURVES APPENDIX E MONITORING PROGRAMS

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LIST OF FIGURES Ficiures Title Well Locations Plot Plan Yearly Rainfall, Turkey Point, Florida Time History, Rainfall, Water Levels, and Ground Water Temperature and Chlorinity Extremes of Temperature For July 79 June 80 Well L-2 Extremes of Temperature For July 79 June 80 Well L-3 I

Extremes of Temperature For July 79 June 80 Well L-5 Extremes of Temperature For July 79 June

80. Well G-6 Extremes, of Temperature For July 79 June 80 Well G-14 10 Extremes of Temperature For July 79 June 80 Nell G-27 Extremes of Temperature For July 79 June 80 Well G-28 12 Extremes of Temperature For July 79 June 80 Well G-35 13 Extremes of Chlorinity For July 79 June 80 Well L-2 14 Extremes of Chlorinity For July 79 June 80 Well L-3 15 Extremes of Chlorinity For July 79 June 80 Well L-5

LIST OF FIGURES (Cont'd)

Ficiures Title 16 17 18 19 Extremes of Chlorinity For July 79 June 80 Well G-6 Extremes of Chlorinity For July 79 June 80 Well G-14 Extremes of Chlorinity For July 79 June 80 Well G-27 Extremes of Chlorinity For July 79 June 80 Well G-28 20 Extremes of Chlorinity For July 79' June 80 Well G-35 APPENDIX A APPENDIX B Time-History Plots Conductivity-Chlorinity Relationships G-Series Wells APPENDIX C

APPENDIX D Time History: Interceptor Ditch Operation Excursions From Temperature Envelopes For July 79 June 80.

Excursions From Chlorinity Envelopes For July 79 June 80.

SUMMARY

REPORT JULY 1980 ANNUAL MEETING SFWMD/FPL GROUND WATER MONITORING PROGRAM TURKEY POINT, FLORIDA FLORIDA POWER 6 LIGHT COMPANY

1.0 INTRODUCTION

This handout, the first in the annual format discussed at our meeting in July 1979, presents the results of the Ground Water Monitoring and the Interceptor Ditch Programs required in compliance with the February 2,

1972 legal agreement between Florida Power 6 Light (FP6L),

and the South Florida Water Management District (SFWMD).

Specifically, this handout addresses the data collected between July 1979 and June 1980 in relative perspective with historical data which are available from April 1972.

This first annual handout was preceded by a series of seven semi-annual

handouts, issued alternately in January and July, beginning in July 1976.

The semi-annual handout series was preceded by 17 status handouts which were issued quarterly.

(January, April, July and October).

In addition to the quarterly and more recent semi-annual handouts a

summary report was submitted in March 1976 dealing with the G-Series wells used in the monitoring program.

This summary report dealt with the initial four years of monitoring data.

The Ground Water Monitoring Program consists of periodic monitoring of ground water level, temperature and conductivity in 19 wells.

The locations of these wells is shown on Figures 1 and 2.

A description of the monitoring program, technique, logistics, and equipment is contained in Appendix E.

2.0 DATA REVIEW RAINFALL The rainfall pattern for the past 12 months shows a marked departure from the typical patterns displayed in the past.

The departure is illustrated by the absence of a well defined wet/dry season and relative deficiencies in rainfall (see Figure

3).

Total precipitation at Structures S-20 and S-20F were 31.55 and 26.39

inches, respectively.

Peak rainfall for the wet season occurred in September 1979 which marked a return to the conventional wet season peak

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as opposed to the late heavy rains that extended into October during the same monitoring period in 1978.

Typically, October has represented the start of the dry season.

However, it should be noted that an increase over previous seasonal levels of rainfall occurred during the months of November 1979 through March 1980 at Structures 20 and 20F with totals of 10.79 inches and 7.59 inches respectively.

December displayed the peak of this five-month period with 3.65 inches recorded at Structure 20.

The months of February and March 1980 prove to be sea-sonally in line with historical data and marked.-the end of the conventional dry season period.

Relatively low levels of rainfall were recorded during the months of April and May.

The peak level recorded during these months (3.76 inches at Structure 20 in April) is comparable to the previous rainfall recorded at this station during the dry season month of

December 1979.

These variances from the seasonal pattern have become common in recent monitoring periods and are taken-into consideration when evaluating the cooling canal system.

SURFACE WATER LEVELS Water levels in the Levee 31 Borrow Canal and Canal 32 along pumping Line C were impacted by variations in the circulating pump operation during the past 12-month monitor-ing period and displayed minimal seasonal fluctuation (Figure 4).

This seasonal pattern can be directly attribu-ted to the absence of a distinct wet/dry season.

Whereas in the past the difference in the wet and dry season water levels has been observed to have a range of two feet, the maximum range recorded during this monitoring period was 1.1 feet in the Levee 31 Borrow Canal.

The highest water levels occurred during the peak wet season months of September and October, which also coincides with the in-creased magnitude of the tidal cycle as effected by the occurrence of the fall equinox.

The observed water levels began a slow downward trend in November but due to sustained sporadic rainfall throughout the dry season relatively constant levels were maintained into the end of the dry season.

During the period between July 1979 and March 1980 the canals maintained an average head difference of 0.49 feet.

The lowest levels recorded occurred during the months of April and Nay, during which time the level of the Levee 31 Borrow Canal fell below that of Canal 32.

These low levels coincide with the heaviest pumping of the interceptor ditch for this monitoring period.

The beginning of the wet season in April is directly reflected by an increase of 0.5 feet in the Levee 31 Borrow Canal.

The canals maintained an average head difference of 0.29 feet and displayed a normal seasonal fluctual pattern in response to rainfall for the remainder of the monitoring period.

GROUND WATER LEVELS Ground water levels over the past 12-month period have

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exhibited fluctuating trends which follow historical patterns and directly reflect the effects of the extended wet and shortened dry seasonal periods (see Time History Data, Appendix A).

Most wells throughout the system exhibited maximum water levels during the October/November period in response to the peak wet season rains that occurred in September of 1979.

The high range for the season is represented by the levels in October in wells L-1 and G-35 displaying ground-water elevations of 2.34 and 1.30 feet MSL respectively.

It should also be noted that the peak wet season ground water levels for this monitoring period are slightly higher than have been recorded in recent years.

Typical low water levels ranged from 0.15 Ft.

MSL in April 1980 at well L-2, near Levee 31E, to 0.02 Ft.

MSL in April at well G-28 along Tallahassee Road.

These low levels represent declines of approximately 2.05 feet and 0.80 feet, respectively, from the October high water levels.

At this site the normal range of water levels from wet season to dry season is about two feet.

The normal value has been exceeded along Tallahassee Road.

The range measured this season in the L-wells is typically 1.61 feet.

GROUND WATER TEMPERATURES The range of ground water temperatures for the past 12 months is represented on Figures 5 through 12.

These figures show the extremes of temperatures for the period July 1979 I

through June 1980 as compared to the historical envelope of temperatures for indicator wells L-2, L-3, L-5, G-6, G-14@

G-27, G-28 and G-35.

In general, temperatures in the L-Series were normal and within the historical range of temperatures.

The L-Series wells displayed higher than normal temperatures at depths generally above -20 Ft.

MSL.

For instance, well L-2 ground water temperatures were as much as 1.4 C above all previous temperatures at depths less than -22 Ft.

MSL.

These excursions occurred during the period of March and April.

Ground water temperatures at the shallower depths reflect the temperatures in the Levee 31E Borrow Canal.

Ground water temperatures in the G-Series indicator wells were generally within the historical range of temperatures.

Well G-6 experienced an excursion of approximately 0.2 C in November above the previous range.

Also well G-35 showed a

slight increase in temperature in approximately the upper 30

feet.

Other G-Series indicator wells showed no significant excursions from the historical envelopes.

The temperature time-history data (Appendix A) reveals increases in temperature

.in most ID-, L-and X-Series wells.

However, the temperature increases were followed by declines in April, May and June.

These declines brought temperatures back to levels similiar to those observed at the onset of the monitoring period.

Ground water temperatures in the G-Series wells showed no significant increases over the past 12 months.

Ground water temperatures were generally highest in the months of March, April and May.

The lowest temperatures generally occurred during October and November.

These trends probably reflect climatic conditions when cooler precipitation recharges the aquifer and ground water temperatures decline during the wet season.

GROUND WATER CHLORINITIES The range of ground water chlorinities for the pasL-12 months is represented on Figures 13 through 20.

These figures show the chlorinity extremes for the period of July 1979 through June 1980 as compared to the historical envelope of chlorinities for indicator wells L-2, L-3, L-5, G-6, G-14, G-27, G-28 and G-35.

Chlorinities in wells L-2, L-3 and L-5 showed increases above the historical range during early 1980.

Well L-2 showed approximately a 3.3 ppt increase in chlorinity in January at depth over the historical high.

Smaller excursions were

displayed at depth by both, wells L-3 and L-5.

These wells showed a maximum increase of approximately 0.8 ppt chlorinity over the previous extreme of the historical envelope curve.

Both extremes occurred in July 1979.

In the G-Series wells west of the cooling canal

system, only well G-27 experienced historical high chlorinities below

-24 Ft.

MSL.

Chlorinities increased to approximately 15.3 ppt below -28 Ft.

MSL during January 1980 in well G-27.

Wells G-28 and G-35 showed historical low chlorinities in January 1980 and June 1979, respectively.

At the base of well G-28 chlorinities dropped to approximately 5.8 ppt, approxi-mately 1.5 ppt below the previous historical low.

Well G-35 chlorinities dropped over 3.7 ppt below the previous historical low chlorinity at the base of the well.

The chlorinity time-history data (Appendix A) generally shows increases in chlorinity in ID-, L-and X-Series wells.

The chlorinities increase through April or May, then generally drop sharply to below July 1979 levels.

The chlorinities in the G-Series wells remained relatively constant.

Well G-28 experienced a decline in chlorinity of approximately 1.0 ppt. Chlorinities in the ID-and L-Series wells peaked during early 1980 while the G-Series wells reached the lowest chlorin-ity levels for the monitoring period during the same time period.

3. 0

SUMMARY

During the past 12 months, the typical wet/dry season climatic pattern usually observed in South Florida has not been as pronounced at Turkey Point.

A drier than normal wet season was followed by a slightly wetter than normal dry season.

Total precipitation for the period appears to be below normal.

Temperatures and chlorinities in the G-Series wells west of the cooling canal system were generally within the histori-cal ranges.

No short or long-term trends were observed which indicates that the cooling canal system is not having a signi-ficant effect on ground water to the west.

In the L-, ID-and X-Series wells, temperatures and chlorinities appear to have increased in the past few years.

It is felt that these increases are due to abnormal precipita-tion patterns necessitating changes in Interceptor Ditch pumping schedules through the past three years.

Previously, Interceptor Ditch pumping was necessary only during the dry season.

However, in the past three years, precipitation has been low during the wet season.

As a result the Interceptor Ditch has been pumped during portions of those wet season periods in addition to portions of the dry season.

The onset of the 1980 wet season has generally shown decreases in temper-ature and chlorinity in the ID-, L-and X-Series wells to 1979 wet season levels.

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I2 IS CHLORINI'EY (ppt.)

I8 2I o JFIN-80 LEt END F)UG"79 DRIVES RND MOORE EXTREMES OF'HLORINlTY FOR JULY 79 JUNE 80 HELL NUf1BER G-16 01".)9805?26 (7/80)

I IGURE 17

-5 -15 "20 "25 C/)

Clo

-50 C

~ ~ ~ ~

~ ~

~

~

CV C

-55

)

4J

-10

-15

-50

-S5

-60 0

lS CHLORINITY (ppt.)

21 0.JRN-80 LCt END

~ MRY"80 DRIES RND MOORE EXTREMES OF'HLORINITY FOR JULY 79 JUNE 80 HELL NUMBER Q-27 0068804726 (7/80)

F'IGURC 18

0

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IS CHLOR IN I TY (ppt.)

2)

'RN-80 LEt'CNO

~ RUG"79 DRIES RND NOOSE EXTREMES OF'HLORINITY F'R JULY 79 JUNE 80 WELL NUl1BER t -28 0059809726 (7/80)

IGURE 19

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-26

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-60

~ ~ I 66

~ ~

60-0 16 CHLORINITY (ppt.)

18 21 21 27 I JUN"80 LCGCND I NOV-79 DRIES RND MOORE CXTRCI1CS OF'HLORINITY F'R JULY'9 JUNC 80 HELL NUMBER I -3S 0059801726 (7/80) f'IGURL 2O

APPENDIX A TIME-HISTORY DATA

C

32 IB 20 BELOW TOP OF CASING IS ML 3

Vl 0

I 4J ct 0 3I 30

~ 29 ct28 I

7C7I7 4J26 I

I4 l2

> IO II 8 CJ 22 0

I 4l Cl VI O 0 Cl 4I 4.

0 4 0 I

0 0 lt CC OCL I )0 CI04I g4I Vl 0 Z 0 I 4. << ii J 0 o.

I-'

ll i 0 I

I Ct I 0 0 0 4I 0 0 4I ~ 4I h C 4 ~ ~ e VI 0 a 0 ~ 4.

ct>w Jcjccl-'>cjia<<

I CC 'c 0 0 0 4I CI O 4I ~ 4I %

CC

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I CC4l I

0 04I 4.

Ct>i JVIC4I-C 8 0 0 0 4I 00 )0 0 iCI CtCt 4I g 4I < I4 a ~I4tm J 0 I w

VI I

0 0 32'8 40 BELOW TOP OF CASING

.I -30 MSL

~30 cJ W 28

~>26 Q 24.

4J"22 24 020 I

I6 5~ l2 8

32 BELOW TOP OF CASING

- 45 MSL

~ 32 4

30 4J I 28 4J426 4J 24 28

~24 I 20 O I6 l2 I'.

4I I

> Cj 0 4I 040 C6 lt Ct 4I 4.

4.

INTERCEPTOR DITCH PUMPED

~ I '

CIO 0 CI0 Cj 0 4i z a

't CL 0

I

>Cj 0 0 4I q 4I '%c OWOWI4 VI O Cj 0 4l0 4I

'C C4 4.

m mV I

4.

VI O 0 4I

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I 4

Cj 4l 0 0 4I vI o z a 0 ct lt 4I '%.

4. 0

'C I

g Cj v) 04 0 I972 l973 l974 l975 I976 I977 l978 I979 f980 I-2 4J W

oD I-2 CIJ p0 2p ICI I-Z W 2 I

O u) p z CJI p

>CIJ 2 vE cn-Zpl o

o LJ 0

Z Q0 P

W p

LJ X Ce 2 0 P

- I-I-e po Qz OQ UJ O p 4 I-W WPL P QI-4JW Zg 20>

0 PKQ I I-cn

+ I-P Q4 0 z cJ:

CJI Q Z VC P Z 0 <<t CEo PW Q

I Ol cJ: cn I 2 2

Q 2

4J A ZQ Io IKI-Wo Q

LEGEND:

CHLORINITY TEMPERATURE WATER LEVEL DAMES 5. MOORE TIME-HISTORY PLOTS WELL NUMBER ID-A 0459804726

(

REV 7/80 )

32 IB 20 BELOW TOP OF CASING NOTEJCHLORNITY SCALE CIIANCE I

~

IS MS L K

27 3l 24 2I 2

I8

) I5 I

4J wQ 0

<27

~~ 26 O

9 24 23 0

I 0

CI ~ 0 KL O

lal ac lal 0

a 4.

CL '<<

I 0

0w4.

I ) 0 0 0 4I 040 4

CI Ct Ct ) i J 0 C4

~ILZ <<4 ~~<<KKI I'

0 0

W o z o K4)g~e KL 0 0 0

4I <

KL '<<

OK4 I-I'I

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CKJO~O I4.

Ct Ct' W W 0 KL I-'

0 CL < g 0 0 w 0 0 W g W <

KL 0

m 0 i ~ <<KKI O a 0 I 4. 0 m

I CJ0 o 0

24 40 BELOW TOP OF CASING

-30 MSL

-28 CJ w2 I-24 Ft 4JIL 22 4JI cL I II~8 CJ 30 24 28 20 60 BELOW TOP OF CASING I -4S'MSL w26 CL I I-24 2 l2

~ 23 6

4 I>

w00 0 4 INTERCEPTOR l972 J 0 CL I

I '

O KKI 0 DITCH PUMPED I973 0

KL l974 0

I KL ac KKI O O W

ac W

ZOW4.

I978 0

I 0+we

<<~ 0 o wO0 I976 0 0 g CI W

ac W

0 I 4 4.

l977 I

g KL CKK O )CIgeiltat 0

lal ac lal 4 KL 0

W 4. 0 ac I978 I

lal 0 4I O 0 Ct Ct )

CL C

l979 I

CJ0 o 4I la.

I980 0~I')

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lal CKJORO I-UJZ UJ oD

<wZ

<<E cn-Zp I-QQA Z CO Q

Q 0

UJ 0

CO X CC Zo 0

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0 Q

oo U. I-W 0QI-I UJW 2g 2O J O

0 QQ cn I-0 ce O ZO CJ:

2 <<f 0 2 O <<E Qo ow I-~

UJ <<E

~CO UJ 2 I

CO I-ZX O.

Eo KI-Owo LEGEND:

CHLORIIKIITY TEMPERATURE WATER LEVEL DAMESI MOORE TIME-HISTORY PLOTS WELL NUMBER ID-B 0459804726

( REV. 7/80 )

I I

I

32 IB 20 BELOW TOP OF CASING NOTEICHLORNITY SCALE CHANCE l5 gSL 27 0

4J I

3I 4 29 4I<28 I

<~27 4J26 I

25 l6 l4 QI2 I0- IP 8

6 2I 2 I8

<<4

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X 4I0Z

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I )6 0

4w' O W aC

<<JI 0 R 0 I' 0 0

0 > a 4I ~ 4I <<<<4 0 O4.

I 0

ci 0

lal0 0

40 BELOW TOP OF CASING KOTEICHLORINIYYSCALE CHANCE

]-30 MSL I 26 4Jh~

4I I

wl t I4 CJ~ l2 I

22

)- 20 I

IB O

o I6 l4 0

la. W 4I 0 J

0

~I I

0 I

0 60 BELOW TOP OF CASING I

-45 MSL

~ 28 o

w 26 I-24 ct4I 22 UJ 2

25 I

ILo I

o 5

<<4 I

> <<I I

'0 w vow

<<JI owa Zia<<4 I

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W 0 0 0

4.

I-4'. <<I + 0 0 0 4I g 4l oaa~<<44 I<<4 O

0 0 0 INTERCEPTOR DITCH PUMPED l972 I973 l974 l975 I976 l977 I978 l979 I980 2

UJz UJ 0

2 U

I-2 UJ 20O IJLJ 0

L Z

UJ w

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g 0

c/I

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<<c cn 20+

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0 Ql-C<<JW 2 2 2OU O

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2O KI-cn V) U Z <<t 0 Z o <<c CEO Q

Ol a-rn2 I-CII CL ZZ UJ&

Q zo Q I-UJQO LEGEND:

CHLORINITY TEMPERATURE WATER LEVEL DAMES L MOORE TIME-HISTORY PLOTS WELL NUMBER ID-C 0059804726

(

REV. 7/80 )

I L

32 l8 3

3l I6 30 l4 20'ELOW TOP OF CASING IjI-l5'S

2

~ 29 4c<2

~<27

<<L I4I26

~ l2 I

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CL 0 25 4

23 0

I Wln IOOW 040

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cc

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0 0 W 4 0 a

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<<i ~ oi

<<c 0 4I g lal I 0 t 4.

<<L 'C I') 0 g<<O 0 0 4I 0 R 0 o.

'C I00 0 20 40'ELOW TOP OF CASING

-30 MSL 2

5I-2 4~ 2 Uc I

I6

~ l2 I

8 5

26 60'ELOW TOP OF CASING

-45'S L a2 "2

I 24 4s "2

2

<<L I 2 l4 0

'V o

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0 4 Ol

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'C I00 ) <<I 4

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ac 4I <<<<O.

O 4 I

'L ln O 0

<<I g<<o O W at lal 0 w 4.

IL 0 o I'n0 >vs 0

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o.

'c 0

ln O 4 0 IIITERCEP TDR I972 DITCH PUMPED l973 l974 I976 I976 l977 W4 anagan 1978 Rt&C aQ<<

- -l979 I980 I-2 UI CLI CID 2

U.

I-2 Uc O0 UI O

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I pJa Qz oQ ooo ~3 CL I-UI UI CL 0 Ql-UIUI Z 2 20J 0

PQQ I I-cnp oI O g 20 QI-rn U) J 2 <<f OZ 0 <<c CO I-Q J UIJ Ol

+cn I-COQ 2

2 CL XO Q I-QUIO LEGEND:

CHLORINITY TEMPERATURE WATER LEVEL

. OAMES.L MOORE TIME.HISTORY PLOTS WELL NUMBER ID-D 0459804726

( REy, 7]30 )

I S

4 I

32 IB 20 BELOW TOP OF CASING NOTE:CHLORIHITY SCALE CHAHCJE

,-I5 VSL 27 3I I6 30 l4 2I 4l Z

D QO I

~ 29 UI

~<28 IL27

~<26 cL l2 I> IOI 8 o

6 24 2

I8

~ l5 I

g l2 Z

CL04.

lal 0

cn I

g CL0 X0 23 0

I') Ll OOau OZO J 0 I cn 0 W

la.

4 0 O 4I4 OC4 I'XGP4 I'n044~4.

n.

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lu 0 O

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~I

) 0 O lu4 I'al an O 0 CIZ<<C44.ii0 tu q lal % IL 4 ~t4 hah>>~

I CJ 0 4I 40044 0

30 24 40 BELOW TOP OF CASING 30 MSL

~28 o

I CZ IL 2 UJ 20 20 ct. I6 4 l2 CLo 8 4

30 60 8 ELOW TOP OF CAS ING 45 MSL

~28 o

W26 5~I-24 PL UJ0. 22 20 20 cL IG

~ l2 CLo o

4 CLn.

0 CL I I'

O 0 n.

~

0 0 0 tu ~ 4l 0?4 I4.

IE CL I

0 CI O 4I0 Cti C4 C4 lal CL 4

~4 0 0 0 g Cn lal aC 4l 4

w 4 n.

I

> 6 0 0 lal cn040 4

C4 CL 4l 4 4.

0 CL I

CJ cn 0 0 ZOCL lal aC 4l I

4l CJ an O 0 'j IL CL I0 0 0

4l

'C I00 )

Cl 0 4 INTERCEPTOR I972 DITCH PUMPED I973 l974 l975 I976 I977 I978 mom

% ~

I979 I980 I-Z UJ UJ o

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III I-UJ W 2 o

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0 KIL I I-CCJ o V I-0

~ ZV CCI-CJJ CCJ 4 Z CE 0 Z V uE 0O

~UJ I-2 CCJ CL ZE UJ CL z

EV ILI-UJ~o LEGEND:

CHLORINITY TEMPERATURE WATER LEVEL DAMES ImL MOORE TIME-HISTORY PLOTS WELL NUMBER ID-E 0459804726

( REV. 7/80

)

I ~

I l

I J

W l

l J

~I I1 I',

I" I

"I J

\\

IJ J

k N

V N

'1

'j

'N

IB 20 BELOW TOP OF CASING i

I5 MS I.

3 0)

D I

W 30 4I<28.

CL27 E4I2 I

l4 4 l2 I

8 6

0 I

25 23 0

0 Cc I

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0 I'

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ott I-)0 I

W 'V O 4I (n 0 4 O I

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o I-IV0 0 W % 4.

I Cc VI I

0 4 V O

W4 CC j o i4 I'V O 4I 0 27 IB 40 BELOW TOP OF CASING

'- 30 MSL

~2 W

5

~>24 4l CL W

22 l6 wl4 I

I o+IO CJ 8

27 60 BELOW TOP OF CASING

-45 M

2 CJ W2 I-24 4J 2

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4I 4.

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0ko 04 I

4I V 0 4C 0 4I I

4 Ci CJ 0 4I 4IOR4 INTERCEPTOR DITCH PUMPED I972 l973 l974 I975 l976 l977 I978 l979 l980 I2 CIJ UJeo a

<<K2 U.

I-UJ oV CIJ 2o ICI L2 Z

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0 CCL I I-WE CCJ o v+o g 2V CL a

C/I ~

2 <<I OR V <25

4. 24 UI 22 20 c4 IB I= IG

~Ol4 l2 29 28 60 BELOW TOP OF CASING 45 MSL 28 27 UI I26 4I 4~25 I 24 25

~22 I~ l9 o l6 O

l3 C4 I' ) cl g 4 O 4I tt 4I 0

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CL 0O o 4

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CCI O 0 i444 4I %

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0 C4 I0 0 CCI 0 4 4 IC 4I 4 C4 0

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INTERCEPTOR DITCH PUMPED l972 l973 l974 l975 l976 l977 l978 l979 l980 I-W 2

2 Zw w

0 Oo'n L2 2

cE U

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cc' Q

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LEGEND:

CHLORINITY TEMPERATURE WATER LEVEL DAMES R MOORE TIME-HISTORY PLOTS WELL NUMBER L-2 N598$ l726 (

REV. 7/80 )

I

~O I

Ie 20 BELOW TOP OF CASING

. IS MSI.

3 cn O

3l

~ 39 cc: 28 I

~cL 27 a.

4J l6 l4 4 l2

~ IO O

8 C

6 25 24 0

I 0 )Vgaia 0 al

<<I 4I <4IVO

'C cn 0 4IO I ) V 0 4I lnoi0 ai4I C

I al V ln O cl i ca Ia

'0 4I ~ 4I Q > 4.

0 a.

I I '

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a: 0 0

C4 I )

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) v a."ai V 0 4I Fz 4I <<I a.

0 i 0 Wa.

~ I- ~

Ci

'V 0 4I cn 0 W 0 37 20 40 BELOW TOP OF CASING wi 30 MSL

~26 w 25 5

I 4I 4-23 4J 22 le

4. I tl4 CLo I2 IO 27 22 26 20 60 BELOW TOP OF CASING

) -45 MS H

w 25 4 le I-24 I6 o+I4 l2 I 0

'I ln O 4 INTERCEP TOR DITCH PUMPED I

CJ0 04I~4ISC4<

4 > 4, I

0 0 IV 0 0

v' ca 4I ~ 4I 4 ~ 4. '<<a.

J 0 I

ln I

0 v

a: 4 4I

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a.

a.

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LEGEND:

CHLORINITY TEMPERATURE WATER LEVEL DAMES III MOORE TIME-HISTORY PLOTS WELL NUMBER L-3 0459804726

( REV. 7/80 )

I

32 IB 20 BELOW TOP OF CASING Itl5 MSL l4

<27

)

IO I

~~ 26 23 0

I')Vi Oo~

OtO I

O lnoi o

) O O 4IO I

V) O O 4IO I

O IO O O

O I

~

I

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'O tu Ot:O Z ai It It ) Z 4I 't A.

II.

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O VI O O

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la)

ORO 27 24 40 BELOW TOP OF CASLNG It-30 MSL Ultt I

%2 "22 2

o. I

)4 l2 It0 22 24 60 BELOW TOP OF CASING

--45 MSL 2

0

~2 I

24 ttt 22 2

ct I g

l3 0 I2

)O INTERCEPTOR I972 DITCH PUMPED l973 I'

O O l974 I ) O O O lal O 0 O O II I ) Ij I

v o 4'tl~~aOIOZO l975 l976 I'

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I978 O q I

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l979 I

O O

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I-2 Ul Ul 0

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I-2 00 Ul 20 L2D tll Ul p 0pp 0

>UI2

'4 lO I Zp~

uuA Z

2 2

u 2

u 0

Ul O

0 X Q

Z u 0I-C9 pp Q2 tllQ uQ u

U. I-ttl UIQ O Ql-UIUI 2 2 zu+

u 0 tt:Q I-0 Q

cn u 2 IL tt:I-n tl) Q Z tE OZ u tE OO Q

Ul Qg Ul

~OI I 2 UI Q

ZX UlQ 24g Xu QI-QUIO LEGEND:

CHLORINITY TEMPERATURE WATER LEVEL DAMES Itt MOORE TlME-HlSTORY PLOTS WELL NUMBER L-4 0459804726 ( REV. 7/80 )

I I

I I

30 IB 20 BELOW TOP OF CASING I5'SL I

29 28 I4

~ 27 J

IO I

~~25

4. 24 6

23 22 2I 0

a. I' I'

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0 ilLR 0

'C I0 0 0 R 27 l7 40 BELOW TOP OF CASING

.-30 MSL

~26 ILJ I-24 7C:

CCI 4J 2I I

cl. I L II 59 7

27 26 60 BELOW TOP OF CASING I 45 MSL

~26 4

W2 I

4J 2

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CL 0

l4 0:0 I

I'4 CI CI 0 W ORO INTERCEPTOR DlTCH PUMPED 0 a.I I

CI0 o ci i'J 0 4l aC 4I aaI O 4 4 a

4.

a.

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LEGEND:

CHLORINITY TEMPERATURE WATER LEVEL DAMES I MOORE TIME-HISTORY PLOTS WELL NUMBER L<<5 0459804726

( RP/, 7/30 )

I I

3I IB 20 BELOW TOP OF CASING

-I5 MSL 3

CCI ca

~ 28 4Jct 27 I

<~26 cU25 l6 l4 4 la lo I

8 6

0 23 22 0

C4 I

I'al CI lO 0 0 Cl la.

I' 0

J 0 CC

'C Cal I )

V 0 Ot4 W

ac V 'O 4I Caa 0 0 O

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lt I g J 4.

lg V O C 4I 0 Cl 4.

4 ac

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V 0 W g W 4 4 4I 0 t 4 0

at I )V V 'O lal caI 0 t 4 W 4 4.

lt I- >

Cj V 0 4I 0 R 4 27 Ie 40 BELOW TOP,OF CASING 30 MS a2 25

~I-24 52 CIJ I

I6 cc I I

I

~ID CJ e

60 BELOW TOP OF CASING

-45 MSL 26 CJ 25 I> 24 CL I

CIJ Q23 22 Ie

~I6 J

zl4 3 Ia CJ IO I

5 V 0 4I Ot4 INTERCEPTOR DITCH PUMPED I972 l973 Cj CC I

'C V O 0

t 4 Ci 0 4I aC 4I

~CaaIOWO s4.

l974 l975 aaa O O 4 l976

~

'I CI 4I O V

0 4I4 4 lt W

J Cj CC I' Cj I '

Cn 0 W 4 l977 l6 lt lal Ctal I'

CjaL cai I978 I' 0 0

4I lal 4.

l979 I

0 Cl O 4i4 i 3aja4I leeo I

0 4

I-2wZ CIJ oo I-2 UJ 00 CIJ2 20 CCI L20 w

w w z 0

CJJ E z OUI Jwz 20& I-CE JCE VOJ Z

o o

CO2 K0w Q

cg 2 Z V 0

I-Jo Qz 0

VQ oo Q I-w wQ 0 Ql-CIJW 2 X 20J 0

0KQ I I-CIJ o 0 I-00 QI-CIJ CO J Z cE OZ 0 cE0 Qo Q J IwJ VI Q CJJ I-2 Q

Q EV Kl wo Q

LEGEND:

CHLORINITY TEMPERATURE WATER LEVEL DAMES & MOORE TIME-HISTORY PLOTS WELL NUMBER L-6

~0459804726

( REV. 7/80 )

I I

p I

3l 20 BELOW TOP OF CASING I5 MSL 29

~ 28 IJJ<27 K6 4J25 5

I g 4 3

TOP OF CA WAT ER SIN R

G0 23 22 0

I 0 0 4I g 4I 4

I 4.

4.

I'al0 0 Cat 04

'C I ) 0 00 4I VIOWO J 0 I'.

'C 0

Oi 4I at 4l 'I a4 I

4 0

tat O 0 6 Q

Cl 4l ~ 4I 0

I 4.

I 4

0 0 0

I4.4l 0

Oi 4I g 4J aC 4.

a o ta. 0 w 4 > w I'al 0 aat O CJ O 4l4 4I CCI4 I'.

CJ cat O 0

0 lal4 27

~26 w25 I-24 4JIL 23 22 l4 l3 4 l2 g

~ID 9

40 BELOW TOP OF CASING NOTE: CHLORINITT SCALE CHANGE

-,30 MSL 20 I6 c4 I2

~e 8IL0 x

CJ 0

0 C rt

% 0 CJ 27 IB 60 BELOW TOP OF CASING NOTE: CHLORIHITT SCALE CHANGE

- 45 MSL r 26 4

25 IJJ I 24 IL

~~ 23 22 l7 4 l6 J

I I5 O (4 l3 I0 0 0 R INTERCEPTOR I972

'C DITCH PUMPED f973 O. > i CI a 0 CI 0 4I ~ 4I tnOWOa4.

i JOI4I-4I an O l974 Cl O 4I4 4I C4'COO>4I CJO aIN>>ataat040>4 l975 I976 I00 cl 0 4I4 4.

l977 I '.

4I tat

~r I978 IL I- ) CI a I4 +

CC ii ~

0 0 4I g lal %

tk rIOWO s4.

0 0 4I g taI 0RO WI4 Z ~ 0 C4 I

'4>c O O 'I cat 0 l979 4I g C tl

'C 4 > Ia.

0 ~l-'~CJ 0 0 4l C4IOR0 I980 420 IB I6 l4 4I I

Z Cl 0

~

I-2wz IIJ COo I-UJ 200 UJ 20 IO L2D Z

w wI- 0 z VJoe o

Jwz cEV) I Zog I-VVVJJ 2

D D

LOZ Q

V 0

wQ V

CO Z 2 VI-0O 0 Qoo Q I-w 0 Ql-UJ LIJ 2VJ 0IJQ vt o g ZV IJ:I-VJ V) J 2 cE 0 Z V CE 0I-IO QZ IllQ Vz w~ O.

ZXV I-I-VJo Q

Qo I-J

0. J IIJ

<VJ I-2 VJ CL I-Z w2 Q

+z zv Q'-

O.wo LEGEND:

CHLORINITY TEMPERATURE WATER LEVEL DAMES & MOORE TlME-HISTORY PLOTS WELL NUMBER G-6 0459804726' REV. 7/80 )

20 BELOW TOP OF CASING NOT MONITORED

-I5 MSL 2

26 27

~ 26 4I<25

<24 4I23 I

I O.3 CI.2 WELL BLOCKED WELL BLOCKED 2I 0

20

~ I' 4.

I 4I tat 0 0 4

4'I 4.

I'al tat O

~C 0 4 I

0 0 I

0 )0

~I I

4a 0 4I O 0 4tttt)4 344 I'I

'4 4.

I41w1~~~taa I

0 O 4I ~

lat O

I 4.

4.

at ac 1 o o ac I4.

taa O ) 4 0 4I Z 0 44 I' 0 0

4I '4 4.

4. 1 'c I0 0 0 1 40 BELOW TOP OF CASING NOT MONITORED

-30 MSL

~26 24 I-22 CL

o. 25 4I IB

,6 ct.4 I

,2 50 WELL BLOCKED WELL BLOCKED 60 BELOW TOP OF CASING NOT MONITORED

-45 MSL

~26

~2$

I-22 III 2

Ct:

WELL BLOCKED WELL BLOCKED LL KED WE BLOC le

'4 ~

4. < $ y >

a4 I004I 010 4I %

4.

INTERCEPTOR DITCH PIJMPED I972 I973 l974 I ) 4 0 0 4I 0 1 0 si4 It) lal 4 4 4.

l975 I00 0 4I I

0 CI 4 1I 4 4.

4 l977 I ) 0 0 04I 0 1 0

~I I97B I'I 4.

4I 0

CI 44I t)1g04 AOM

&4 I979 t

4I0 4

I980 I00 XI U.

IZ 0

Z 0

0 2

I

~E Z0 O

IL O

ILI IK UIO Z Z

0 cn

>III 4E cn C5 00 0

Z0 IO CE:

IcnZ0O X

CE O

0 I-I-cn 0 Z CE O~

C0 I-III IIICL I

Iaa III 2 Z OA O

CLCL I I-I-0 a0 Ical Cn la.

ZO cn 00 Ial

~ J O4E CC: cn IIIZ I-cn CL I-g ZD lal CL LEGENDI CHLORINITY TEMPERATURE WATER LEVEL DAMES K MOORE TIME-HISTORY PLOTS WELL NUMBER G-l4 N59BSI726 ( BEY, 7/80 )

I

3I

.9 20 B E LOW TOP OF CASING

- l5 uSL 3

CCI ca 29 4 28 4I I

ct 27 4Ict2 4J2 I

~.6

.5 I

0 CJ

.3 22 I'

Ial 0 0

>>Ot 04l0 l00 Cltitltl-iJ lal aC 4l aC CL awcLha l

0 )CIEit O 4l t 4l 0 l 4.

l'0 0 0

tattl.i~DE I'l aC CL OCLR<4>we>>

I00 Q

0 lal0 l ) i laa 0 0 4l

>> O t 0 0

E>> 0 o 4I ~

4c e g 0 t 0 CL Cl O 4l0 C

CL 0 O

>>ac 27 40 BELOW TOP OF CASING

, "30 MSL

~26 CJ

~ 25

~I-24 ct 52 4I"22

.3 0,.2 I

.I 5

CJ 27

.4 60 BELOW TOP OF CASING

- 45 MSL

~ 2 CJ

~2

~I-24 O.4I I

.3 I

ct0 0

Cj t i 0 g q lal I'

0 INTERCEPTOR DITCH PUMPED iq. l

%el O 4 CL I

% i 004C Ota 4I la.

CC t t JDE I'La 0 4 ~~a>>0 O 0 D

Ial 0 0

>> 0 4I J D I '

4.Xo >0 i t 0 CL t J DECa>4CCC I'

4c q 4C t E t 0 5 0 4C gitE>

t 0 ~

CL M W M 0 ~ a>>

tight lal g 4C 0 '4 la.

l972 l973 l974 l975

~

l9 7 I978 l979 l980 4J 4JI 2

o Io Lz z

z CJJ 0

CJJ 0 CO

>4J Z o 5 CO CJ Z

C CJ coz C

2 v 0

I I

LI CLZ 00 o oo

u. I-4J 4J PL O a.l-4J4J 2 Z 2 CJ>

CJ 0 CZCL I-I-4JX ccI

~I-0 IJ:0 0 20 u

CE a

02 CJ Q IJ' I-04J CJ I CL cn2 CCI I-g 5~

Ix XI-III5 LEGENDI CHLORINITY TEMPERATURE WATER LEVEL

. DAMES & MOORE TIME-HISTORY PLOTS WELL NUMBER G-2I N598N726(

REV. 7/N )

I I

,C

20'ELOW TOP OF CASING

-I5 MSL 2

CII cl I

26 27

"2 tu I

III2 CL 4 6 5

Iz CLO 5

22 2l

-2 0

a >0 3 o aI' 0 0 W

4.

I' I' I'.

4I>>

I

> 0 0 4I 0

W 4 l 0

'O 4I cn044 CLI

~I >>

I00 Q g

<<a 0 4I g 4I 4>> 4, O a I

I' c<> 0 0Z CI 4I CI ai>i<<aI IL 0e0>>>>w>> I') ll 0 4l 044 4

4.

4CC>iJ a.>>

I'l 0 0

27 l3 40'ELOW TOP OF CASING

~2 4I 2 I 24 423 "22 l2 4ll I

K O

CC CJ B

27 I3 60'ELOW TOP OF CASING

-45'SL l2 I2 stIII 0

g VIELL BLOCKED 22 8

I') Cl I'C>>044 4I

<<C 4

IKTERCEPTDR DITCH PIIAIPED I972 l973

a. >> 0 i Ca <<>

W 0 0 4I g 4I 4 4

V) 0 4 4 >

<<4 l974 I

CJ0 0 w 'a a.

4.

oui

'a>>0 l976 0

a 0 JOa.I'<<l W>>

l976 I0 0 0

a 4I < a.

J O

l977 Ia. I' 0 I<IIIZ 4E III zol z

Z CI V

Z SL V

0 laJ O

CI 2 IE 2 v o

I-I-LI oo SLZ lal IL OIL v~

00 Sl. I-SII Sal pL 0 CLI-SII SII 2 X 2O~

V 0 KO. I-I-I IIIX Cn CI o+0 sa.

0 Z o 4EV ss-'0

~ J I-Ias 2 I

tII SL 2IL

~Ez XV SEII LEGENDs CHLORINITY TEMPERATURE WATER LEVEL DAMES IIc MOORE TIME-HISTORY PLOTS WELL NUMBER G-27 0II5980II726 ( REV. 7/80 )

I

20 BELOW TOP OF CASING

,- l5 MSL 3

CII D

CL 0 I

28 27

~ 26 4lIL25 I4I23 2l 6

I 5

gI 4 20 0

I 0 0 4I0 I

0 i4 cn I00 0

n.

CC ln O ct IL' g J an

~I I00 0 I

0 0 lal ac 4I <

CC aC a 0 W 4. 0 a 0 ~

Ci 0 lu cn 0 4 0 CC ac I

0 )0 4I I'al 0 an O 0 0 g 0 lal g 4I 4 C4 Oii44a I') ll 0

lal 0 4 0 27 40 BELOW TOP OF CASING

-30 MSL

~26 cJ

~ 25 I-24 CL o-23 "22 3

0 2

I I

50 27 60 BELOW TOP OF CASING II 45 MSL

~ 26 cJ 25 4l I 24 4J

~~ 23 4I 22 cl. 7 I

0 I'I0 0 cn Ok INTERCEP TOR I972 4I ac CC DITCH PUMPED l973 I'

O ln 0 04I0 l974 I ) Cl 004I 040 CC 4I 4 C4 4.

0 C4 I

0 an 0 l975 cl Q cl 4I ~ 4I 0 4 4 I976 I'4 4I 0 0 cn 4 J 0 l977 0 cl g 4 CL I978

a. ') ll 4a 0 04I 0 4 0 l979 I980 I g Cj 0 4 0 I-2 Z

UJ LJo 2

U.

I2 UJ 2O UJ 2O 2

Z z

cn o

cn Z 2 oe

>UJ 2 zp I-(fJnE 2

D cn 0

Z C0 O

UJ O0 8 Z C

2 0 0

CL2 o o 0Z ooo C3 U. I-UJ UJPL O cLI-UJUJ ZX 20M 0

0 ccL I I-cn I-I O CO 0 Z0 o

IL CI-cn cn >

2 nE OZ 0 4E0 Co IOUI C J UJ g 0I Ccn UJ 2 I-cn CL I-Z ZD

Ula, 2

CI-Ulo a.

LEGEND>

CHLORINITY TEMPERATURE WATER LEVEL DAMESI MOORE TIME-HISTORY PLOTS WELL NUMBER G-28 N598$ l726 ( REV, 7/80 )

I C

I I

20 BELOW TOP OF CASING 7 I5 MSL 28

~ 26

.6 ct25 III23 I

22 2I 0

0 Ct I

4I O 4I 'C C

Cn O 4 tl Ct Ct I g J 0 4l %

4. 't I'I O

0 0 4l0 Ct Ct I g J 0 CC 't I00 )0 84lO 0 lt C4 4l 4 0

'4 0 g I0 4I O 0 Ctlt>i JOO.I-'+

I c4 W 0 0 0 4I 0 0

~~ao)oa C4 < 0 0 0 4C 0 0 vl 0 0Ctlt a~OC4 4I '%L I4 4 a 4 ~ ~ e C4 I0 0 0

Ct4.

I-'

Cl 0 0 4I 0 4 4 27 40 BELOW TOP OF CASING

-30'SL

~26 cJ

~25

~> 24 IL.23 "22 2

R I

I 0

5 27 IO 60 BELOIV TOP OF CASING 45 MSL

~26 cJ I24 4

I 4~ 23 22 O

0 I'

0 0

0 4I ~ 4l 0

l 4

I '

0 C4

'C 4I I

0 )oZ 04I 4.

Ct C4't I

0 0 4I0 0C4I-+Oiolt I

CI 0 4C g 4l

%4I OZ 4 >I4 C4 0

I00 cl O 4I 4 4 C4 4.

I Ch O Cj g 0 4.

Ct C4 I

0:

0 0 0

04l g 4I 0>4.

Ct Ct CL > Z ~ 0 C4 I-I'J 4I O cl 0 4I0 Ct C4 0

I00 0

INTERCEPTOR DITCH PUMPED I972 l973 l974 l975 l976 l977 I978 l979 I980 I-2w IJI 00J I-2 IIJ 00 2

20 IO L20 IIJ PIJ W 2 I

o u) o CIJ E

oe

>w2 zol cCa +

oQU Z0 caZ L'

IIJ 0o 5 X L

2 o 0

00 a.z OL Oy O00 a->

L I-w wa.

O LI-CIJW 2 Z 2oA O

0 LL I-I-I +2 ca a OI O JJ:

O oz O 4E Lo Ow I-g L~

OI a-'cn2 IwoL Xo JJ.'-

wo a.

LEGEND-CHLORINITY TEMPERATURE WATER LEVEL DAMES & MOORE TIME-HISTORY PLOTS WELL NUMBER G-55 yl59804726 (

REV. 7/80 )

~ ~

I I

42 IB 20 BELOW TOP OF CASING I5 MSL 3

CO D

40 38 436 I6 f4 I2 I

~<32 QO 28 I'

al '0 V) 0 Ia.

0) O C

a.

'c IQO

<no~

I'.

CO O JD I

0 0 al4 W

4.

lt a.

joa I

0 Q O4I cn040 iJD

~Q 0 0al ORO 0 al ~ 4I C a.

0 goltC ao-a4 I )Q Q 0 al 044 38 40 BELOW TOP OF CASING

'l30 MSL 1

~36 V

34 ct

~~32 UJ0.3 UI 28 22

4. I9 LIB PI3 O

I 60'ELOW TOP OF CASING

"-45 MSL 40 26 I,36 220 4.32 W

3 IB l6 I'0 CI 0al OCO INTERCEPTOR DITCH PUMPED

~ I'D o> 0 QgCI tu C4l 4 ~ w'I I

0 I

0 O 0 I'.

'C cn I >Q Q '04l 044 I

0) O

>Q 0~4 Cl It al ii~oa>>

I QO 4>~ecnOW QZO~<>Z"0 a.

~ 4.

I )0+CI 004 g4I OWO

Ct4, oaI fh I

CJo I972 l973 l974 l975 l976 l977 f978 l979 I980 I-UJZ UJ oD 2

U.

I-IJJ p0 UJ 2p tO L

D w

wI-cn z

Vloe p

JUJ 2 Wrn-zp~

cXJ~

2o Q

0 Z

C0 p

IJJ p0 OX K

Z0 PI-LJ po CLZ UJ IL 0

po I I-W WCL P CLI-UJW Zg 20J 0

P KCL I-I-UJo 0 &P IJ-F20 KI-cn CO J Z4 PZ 0%0

~o pw ILJ I-0I

~cn I-2 Ul Q.

2w'D z~

Eo Kl wo CL LEGEND:

CHLORINITY TEMPERATURE WATER LEVEL DAMES & MOORE TlME-HlSTORY PLOTS WELL NUMBER X-I 0459804726 ( REy, V8p

t

42 20 BELOW TOP OF CASINO l5 MSL 40 l4 38

~ 36 UJp4 ct 32 4 l2

) II I

g O

CJ 28 26 24 CL 0

q.

I W

CJ

'O scnok CL I

0 0

4I cn O 0 Ct CL 'C 0 g I ) Q CI 0 4I cn 0 W 0 0 q.

I 0

4I O Q4I0 Cl4I '4 CL I ) Q QOW 0 Za 4 ct w w 4.

w lt 4.

I'L 4I cn I' 0 0

W<W<CL Cv o ~ILR< 0i J o I

w C ln I

0 0 40 BELOW TOP OF CASINO

-30 MSL

~36 632 CL

~IL30 28 2

~le I= I5 9

38 25 36 23 60 BELOW TOP OF CASING I=

', -45 MSL 42I 2 l9 3I7 28 l5 IQ0 Q > 4 OW<W'CCL za ~ w 0 ~

J 04I '

cn O

i JQC4I ln I ) Q Q 0 4I 0 4 0 I

CL4I cn O )

Q' ci ct 0

LI g 4I ao ~IL> 4.

~ ) Q 4I Q 0 lcl cnoko 4 lt 4I IC)i J CL Q 0 cn 0 R Q Wa a~IL I

4I CI cn O Q

0 W4 Ct Ct > ~ ~ 0 CL I-'

Q IC CL 4 4 > 0 W Q 0 4I

't cn 0 Z 4 W

cc 4.

'Q 4 Qw cn 0 4 4 INTERCEPTOR DITCH PDMPED WCM

&~

I972 l973 l974 l975 I976 l977 l978 l979 I980 I2 UJZ UJ LJ CI I-2 CIJ 20o CIJ 20 IO I-I OO z0 JUJ 2 cE CIJ I20'-

ooJ z

O 2

CCo 0

UJ 0o OX IL 2 O 0

a.z OO 0

CL o

U. I-UJ UICL 0 CLI-UJUJ 22 2 0J o

0 CCCL I I-UJE no oI 0 IL U.

CJ:

I CII CO J o 2 0 cE0 00 CC

~ UJ CJ'-rn I-2 CJ)

CL zx UJ&

z~

Eo lKI CL UJO LEGEND:

CHLORIICITY TEMPERATURE WATER LEVEL DAMES R MOORE TIME-HISTORY PLOTS WELL NUMBER X-2 0459804726

( REV. 7/SO )

I I

APPENDIX B CONDUCTIVITY-CHLORINITY CALIBRATIONS

APPENDIX B CONDUCTIVITY-CHLORINITYCALIBRATIONS The following figures present graphically the con-ductivity-chlorinity relationship for the ground water samples collected during the July 1979-June 1980 monitoring period as determined by Laboratory analyses.

A discussion of the procedures for developing these relationships is presented in Appendix E.

21 20 19 18 16 15 Q~11 x

13 t

+ 12 O

11

< 10 2-0 0

10 15 20 25 10 15 50 LCt CNO CONOUCT I VI TY ( umhos/cmx1000) o HISTORICRL

> JRNURRY, 1980 0 FCBRURRY, 1980 o t1RRCH, 1980 USGS

+ RPRIL, 1980 x l1RY/1980 o JUNC, 1980 DRIES RND MOORE CONDUCT I V I TY-CHLOR I N I TY RELRT I ONSH I P S.

G-SERIES HELLS 0059808726 (7/80)

=FIGURC ;B-j.

22 20-

)e

)6

~

~

15 Q

Q 11

~ )5 Z 12 O )1-

< )0-0 ~

0 10 LcccNO 15 20

~

25 30 35 CONDUCT I V 1 TY ( umhos/cmx1000) 0 HI STOR I CFIL JULY' 979

> AUGUST, 1979 x SEPTEMBER,]979

> USGS

+ OCTOBCR, 1979 I NOVEMBER, 1979 I OECEt1BER, 1979 DRMF'S RND MQDPiE GONDVCTI V I TY-CHLORI NI TY RELRT IONSHI PS G-SERIES WELLS OSS9608726, (7/80),......f]GURC

. B-2

~

~

APPENDIX C

INTERCEPTOR DITCH OPERATION

APPENDIX C INTERCEPTOR DITCH OPERATION The Interceptor Ditch Program consisted of construction of a ditch along the western edge of the cooling canal system and the installation of pumping facilities.

The ditch and associ-.

ated structures were established to control inland seepage of cooling canal water.

This is accomplished by pumping water from the ditch during periods when a natural seaward ground water gradient does not exist.

Operation of the pumping stations and requirements are presented in the Ground Water Monitoring and Interceptor Ditch Operation Procedures Manual dated May 6, 1976.

Surface water elevations are monitored at staff gages located in Levee 31E Borrow Canal, Cooling Canal 32, and the Interceptor Ditch.

These staff gages are located at five positions in each of these canals relative to Lines A, B, C, D

and E as shown on the inset, Figure 2.

Water elevations are recorded twice a month during non-pumping periods (usually June through November) and once a week during potential pumping periods (December through Nay), ~exce t when the pumps are operating.

When pumping occurs, water elevations are recorded at least'wice a week.

Pumping of the Interceptor Ditch for the wet season began July ll, 1979 (Figure C-1).

Lines A, B and C were pumped until July 17 with Lines A and B continuing until July 22.

Lines A

and B were pumped intermittently from July 30 to August 3;

C-2 August 7 to August 14; August 17 to August 22; and again on August 30 and 31.

Pumping of the Interceptor Ditch for the dry season began February 5,

1980.

Lines A and B were pumped continuously through February with the exception of February 26 when a power failure caused the pumps to briefly shut down.

Lines A and B

continued puming throughout March and were joined by Line C on March 14 and by Lines D and E on March 17.

All lines continued pumping until April 19, 1980.

Lines A, B, C, D and E were pumped intermittently from April 20 to April 25; April 29 to May 6; and again from May 7 to May 9, 1980.

All lines began pumping again on May 12.

Lines D and E were shut down May 20 while Lines A, B and C continued pumping until May 25, 1980.

This completed the pumping program for the monitoring period from July 1979 to June 1980.

A historic record of Interceptor Ditch pumping from the inception of the program in August 1973 is depicted graphically on the Time-History plots in Appendix A of this report.

APPENDIX D VARIATIONS FROM HISTORICAL ENVELOPE CURVES

APPENDIX D VARIATIONS FROM HISTORICAL ENVELOPE CURVES Historical envelope curves have been prepared which show the historical ranges of temperature and chlorinity profiles.

The historical base for envelope curves is from November 1976 through June 1979.

This appendix contains plots of the historical envelope curves for each well having excursions from that envelope during the July 1979 through June 1980 monitoring period.

The shaded area on each plot is the historical envelope while temperature and chlorinity excursions are shown as profile lines.

The excursions presented in the following figures are similar to those for indicator wells presented in Section 2.0 of the report.

The reader is referred to Sections 2.0 and 3.0 for a summary of the results of the July 1979-June 1980 monitor-ing program.

Nj'10 "15 20 "26-C/)

Oe 90 E

h hlhhhh h::::~h"..N:.

g: 5~hr+Q'. h:.

44:j:::

C7 10: 4J M

, Mhh 10

~y

-SO-SS 8 Nkk'.

l l7 18 l9 20 21 22 23 21 25 26 27 28 29 30 31 32 TEf)PERRTUHE (C) 33 31 05 36 37 LLGCNO DRIES RNO ~OOaL o

RPR 80

~

RUG-79 OEC-79

~

FED 80 EXCURS1QNS FRQf1 TEl1PERRTURE JRN-80 7 JUL-79

~

JUN-80

" f)RR-80 ENVELOPE F'R JULY 79 JUNE 80

+

l1RY-80 o

NOV-79

~

OCT"79

~

SEP-79 WELL NUMBER ID-A 0059809726 (7/80)

0 S-IO-

%~4'S 20-

-2S-E/)

e 30 C

Cl I

0= -3S

)

GJ

-10 "1S ~

SO-

-SS-

"60 III 20 2l 22 23 21 25 26 22 20 29 30 3

I2 I 0 I

'fCMPERATURL lC) 2 33 31 3

36 LCCLVO APR-Y AUG-79

" F'EB-80

~

JAN-80 JUL-79 JUN"80

" MAR"80 MAY"80 OCT-79 u

SEP-79 DRIES RND ADORE EXCURSIONS FROM TEMPERATURE ENVELOPE F'R JULY 79 - JUNE 80 WELL NUMBER 10-B 0859800726 (7/80)

0 "IO

.5)

-lS-20 sg,'Q Y;rg.'6;; rr qAr5

) r

-25 8rl Io -00 8

'::::4':+

~"::.r.rr'~:M Cl tC 18l 4J 10

8'rl)::.

~

~

"50 ~

-66

~

60 l7 l8 l9 20 2l 22 23 21 25 26 27 28 29 TCHPCRATURC (C) 30 3 l 32 30 31

'DS 36 37 LEGEND AUG"79

-'CC"79

~

JRN-80

~

MAY-80 NOV"79

~

OCT-79 DRNI:S RND NDDRI:

8 EXCURS10NS F'RQM TEMPERATURE ENVELOPE FOR JULY 79 - JUNE 80 WELL NUMBER 10-0 0158801788

)7/80)

-10 IS- -2S-Cf) e -50 Cl I0:

OS-

)

4J 4.I "10

~

~

~'

-1S-

~t

-SO-

-SS

-SO

~

I7 I

19 20 2

2 2S 2

7

'2 2

30 3

3 3"

fCMPCRATURC (0)

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APPENDIX E

MONITORING PROGRAMS

APPENDIX E

MONITORING PROGRAMS G-SERIES WELLS The G-Series Wells Monitoring Program was initiated in April 1972 in compliance with the February 2, 1972, legal agreement between FPGL and the South Florida Water Management District (SFWMD).

This monitoring program consisted of two separate but related projects:

1.

The Ground Water Quality Monitoring Program

and, 2.

The Interceptor Ditch Program.

The original ground water monitoring program entailed 38 monitoring wells installed at 23 separate locations west of the cooling canal system and designated as the G-Series wells.

Two piezometers, one 50 feet and one 20 feet deep, were in-stalled at 15 of the 23 locations.

The 20 feet deep piezometer was located approximately 10 feet north of the 50 feet piezo-meter.

Surface water and ground water elevations, ground water temperature, and conductivity were measured in each of these wells near the beginning of each month.

For the 15 pairs of piezometers, ground water temperature and conductivity were measured at the bottom of the casing; in the composite wells, these parameters were measured at depths of 20, 40, and 60 feet below the top of the well casing.

In addition, water samples were obtained to verify and to correlate the water conductivity data by titration for chlorinity.

A regression analysis of

E-2 these data established the monthly relationship between conductivity and chlorinity, this relationship then being used to convert conductivity to chlorinity.

A revised ground water monitoring program was implemented in November 1976 following ratification of the third supple-mental agreement between FPGL and SFWMD in September 1976.

The revised program consisted of monitoring the ID-Series wells, the L-Series wells and Wells G-7, G-21, G-28 and G-35 near the beginning of each month.

As from January 1979, Well G-14 was substituted for Well G-7 because of damage to the well by r

local farmers.

The L-wells and ID-wells are described in a following section.

Additionally, Wells G-6 and G-27 are monitored at the beginning of January, March, May, and November.

Monitoring consists of measuring surface water and ground water elevation and ground water conductivity and temperature.

Temperature and conductivity are measured at one-foot intervals for the entire well depth.

One water sample is obtained from each well for analysis of the chlorinity.

L-, ID-, X-WELLS FPGL installed 13 additional wells to aid in the deter-mination of the effects of the cooling canal system on the ground water.

Six wells were installed along Levee 31E Borrow I

Canal (L-wells), five along the Interceptor Ditch (ID-wells),

and two north of the Feeder Canal (X-wells).

These wells are composite wells extending to a depth of approximately 70 feet.

E-3 A flexible monitoring schedule was maintained for these wells.

These wells were normally monitored at about two-week frequencies (near the beginning of the month when the G-Series wells were monitored and near the middle of the month).

Temperature and conductivity measurements were initially made in these wells at five-feet intervals from the ground water surface to the bottom of the casing.

However, since December

1975, temperature and conductivity measurements have been made at one-foot intervals.

As mentioned previously, the ID-and L-wells are now incorporated in the G-Series Wells Monitoring Program.

These wells are monitored once a month.

are monitored once a month.

Similarly, the X-wells MONITORING EQUIPMENT The in-situ conductivity and temperature measurements are obtained with a Hydrolab TC-2 conductivity-temperature meter.

Calibration of the field conductivity meters is done in the laboratory with saline solutions of known conductivity at the beginning and end of each day of measurements.

Water samples are obtained, with a masterflex sampling pump.

The reader is referred to the March 31, 1976 G-Series Wells Summary Report for more detailed descriptions of monitor-ing equipment and calibration.

No new equipment was acquired during the period July 1979 through June 1980.

E-4 LABORATORY ANALYSES The water samples collected during the monthly monitoring programs are titrated to determine chlorinity.

The chlorinity was determined by titrating the water samples with silver

nitrate, using a potassium chromate solution as the end point indicator; recently a mercuric nitrate has been substituted, as it provides a more readily identified end point.

These titra-tions are performed at Florida Power 6 Light's laboratories at Turkey Point.

The chlorinity, once it is determined, is used to develop a relationship between conductivity and chlorinity content.

Conductivity-chlorinity relationships are determined for each series of wells each month.

The conductivity-chlorinity relationships developed for this monitoring period are shown in Appendix B.

The conductivity-chlorinity relationships are used to convert the appropriate monthly conductivity data to equivalent values of chlorinity.

The methodology used to determine the conductivity-chlorinity relationships is discussed in greater detail in the G-well summary report.

MONITORING PROGRAM LOGISTICS Field data collection efforts have been conducted from the FPGL field laboratories at Turkey Point.

All monitoring equipment is stored at these facilities.

Instrument calibration

and most instrument maintenance have been handled at these facilities.

Transportation to the monitoring wells is dependent on well location.

Some of the wells are located in swampy areas and are accessible only by helicopter.

Since discontin-uance of the E-Well Monitoring Program, a helicopter will be required onsite only during the months of January,

March, May, and November for the revised ground-water monitoring programs.

During the remaining months all the required wells can be reached by automobile.