ML19224B881

Monthly Rept of TMI Aquatic Study for Apr 1979

ML19224B881
Person / Time
Site:	Crane
Issue date:	04/30/1979
From:	Nardacci G ICHTHYOLOGICAL ASSOCIATES, INC.
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'

so-ago THREE MILE ISLAND AQUATIC STUDY Monthly Report for April 1979 by Ichthyological Associates, Inc.

P.O. Box 223, Etters, PA 17319 George A. Nardacci, Project Leader l

For Metropolitan Edison Company Ichthyolos;ical Associates, Inc.

Edward C. Raney, Ph.D., President 301 Forest Drive Ithaca, New York 14850 e te in 320 7906270/13'

TABLE OF CO?CE!ES Introduc tion.

1 Macroinvertebrates; J. Polk, G. Hoover, R. Ritota.

2 Ichthyoplankton; B. Lathrop, P. Ritson.

2 Trapnet; E Malick, Jr.

3 Seine; R. Malick, Jr.

3 I=pingement of Fish; L. Wike.

4 Electrofishing; H. Eagerty.

5 Movements of Fishes; H. Hagerty.

5 Creel Survey; R. Ritota.

6 A=bient Water Quality; G. Nardacci.

6 Data Coding; P. Ritson.

7 i

"j L C 771 uJJ JLI

TABLE OF TABLES Table Page 1

Sa=pling conducted in April 1979 near TMINS.

8 2

Fishes taken by trapnet on 9-11 April 1979 near TMINS.

9 l

3 Fishes taken by trapnet on 18-20 April 1979 near TMENS.

10 I

4 Fishes taken by seine on 10 April 1979 near TMINS.

11 5

Fishes taken by seine on 16 April 1979 near TMINS.

12 6

Nu=bers of.ishes captured by AC elec;rcfisher near TMINS in A,ril 1979.

13 l

7 Creel survey data from the GR for each survey day in April 1979.

15 I

8 Creel survey data from the West Dan for each survey day in April 1979.

16 9

Creel survey data from the East Dam for each survey day in April 1979.

17 10 Creel survey data from the YHGS for each survey day in April 1979.

18 11 Sirmmary of selected physicochemical parameters taken on 19 and 26 March 1979 near the TMINS.

19 11 9 i: r

/

j

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INTRODUCTION The ecology of "ork Haven Pond near the Three Mile Island ?bclear Station (TMINS) has been under investigation since February 1974.

Studies initiated in April 1974 include analysis of ambient water quality, ichthyoplankton (far-field), ichthyoplankton entraic=ent, cacroinvertebrates, fish population dynnnics, L:pinge=ent of fishes, creel survey, and ther=al plume capping. The data coding program was initiated in January 1979.

This report discusses the progress of investigations conducted in April 1979.

1 255 323

2 I

l f

i 1

MACROIfiVERTEERATES l

i Objective: To describe the diversity and distribution of the I

benthic =acroinvertebrates occurring at the five benthos sampling stations near TMI53.

Progress : Replicate (4) sa=ples were taken on 11 and 23.ipril (Tabl2 1).

Enu=eration and deter =ination of dry weights of the

=acroinvertebrates have been co=p?.eted through 23 April.

Identifica-tion of speci= ens has been co=pleted through 26 March.

ICHTHYOPT.ANKTON Objectives:

(1) To deter =ine the species co= position, abundance, and distribution of ichthyoplankton in York Haven Pond; and (2) To investigate ichthyoplankton entrained at TMIBG Unit 1 and 2 Intakes.

Far-Field Progress: The < ckly day / night reservoir sampling was initiated in April. Replicate (2) sa=ples were taken at 14 locations in York

'daven Pond near TMINS on 10,17, and 24 April (Table I). As a result of the TMI nuclear incident on 28 March and at the request of Metrcpolitan Edison Company, no sa=ples were taken during the first week of April.

No fish were taken in 56 sa=ples on 10 April. Water te=perature ranged from 5.2 to 7.2 C.

The 17 April night sa=ples yicided one shield darter larva at Station 14Bl. Water te=perature varied from 7.0 ro 9.0 C.

Another shield darter larva was taken at night on 24 April qc-

-s l

3 (S tation 1231). Water temperature in the reservoir ranged from 14.0 to 15.8 C.

Entrainment Progress: As a result of the TMI nuclear incident an 28 March and at the request of Metropolitan Edison Cocpany, no entrainment studies were conducted in April.

TRAPVET Objectives:

(1) To determine the distribution and relative abundance of fi hes in the Three Mile Island area vulnerable to trapnet; (2) To provide spect= ens for movements studies; (3) To monitor the occurrence of diseased fiches; (3) To provide specimens for radio-environ = ental studies; and (4) To determine reproductive sto?us for fishes throughout the year.

Progress: Sacples were taken on 9-11 and 18-20 April (Table 1).

Twenty-four fish of seven species were taken on 9-11 April (Table 2).

Most fish (14) were taken at Station 9B2 and most species (4) at stations llA3 and 9B2. The shorthead redhorse was most abundant and comprised,8.37. of the total catch.

No fish were taken in the 10-11 April collection at Station 1A3.

Seven fish of four species were taken on 18-20 April (Table 3).

Half of the collections yielded no fish.

SEINE Objectives:

(1) To determine the species composition of fish upstream and downstream from the TMI"S Discharge vulnerable to seine; 255 325

4 (2) To determine the relative condition factor for important species; and (3) To determine the reproductive status for fishes throughout the year.

Progress: Collections were made at the 10 stations on 10 and 16 April (Table 1).

A total of 251 fish of eight species was taken on 10 April (Table 4). Most fish (154) and most species (7) were taken at Station 4A2.

The spotfin shiner was cost abundant and co= prised 85.37.

of the total catch. The following fishes exhibited slight black spot in fect ions :

spotfin shiner (17), bluntnose minnow (1), and blacknose dace (4). No pattern of parasite infection was observed with respect to the location of TMINS.

No fish were taken at stations 10A2,'9A1, and 9B3.

Sampling on 16 April yielded 860 fish of l' species (Table 5).

l I

Most fish (806) and most species (8) were takcT at Station 4A2. The spotfin shiner was most abundant ano comprised 83.77. of the total catch. The spotfin shiner (16 specimens), mimic shiner (2), bluntnose minnow (8), and blacknose dace (2) exhibited slight black spot intec-tions.

Four tesse11ated darter were parasiti ed by larval ne=atodes on cost fin =argins.

No pattern of parasite infection was observed with respect to the location of TMINS.

No fish vere taken at Station 9A1.

U1pI?!C E!T OF FISH Objectives:

(1) To determine the numbers and srecies i= pinged on the river water intake screens; (2) To determine day-night d if ferenc e s in impinge =ent frequency; and (3) To determine the extent of mortality

'G)

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5 of impinged fish.

Progress: As a result of the TMI nuclear incident on 28 March and

~

at the request of Metropolitan Edison Company, no impinge =ent surveys were perforced at Units 1 and 2 in April.

ELECTROFISHING Objectives:

(1) To provide specicens for fish covecents studi-s, population esti=ates, and radiation analysis; and (?) To determine the relative abundance of fishes vulnerable to electrofishing in vari;us parts of York laven Pond.

Progress: Sampling was conducted on five nigh*_ tu av 11 fTable 1).

Twenty-four collections in 12 zones yielded 1,022 specimens of 24 species (Table 6).

The shorthead redhorse (294 speciccas), walleye (126), rock bass (122), and quillback (109) were most abundant.

MOVEMENTS OF FISHES Objective: To dete=mine if fishes in waters receiving the TMINS effluent cix with fishes from other areas.

Progress: A total of 31 fish was tagged and two previously tagged fish were recaptured in April.

One rock bass and one s=cll=cuth bass were recaptured. The s=a11=outh bass was recaptured in the lace zone in which it was.,gged.

The rock bass =ade a 1.5 km co= plex move =ent from northwest Shelley Island to the west shore of TMI.

At the request of Metropolitan Edison ucepany the cove =ents of fishes program was ter=inated as of 17 April.

55 sc.797

6 CREEL SURVEY Ob'ectivesa (1) To determine the extent and success of sport fish!.ng; and (2) To determine information on angler residence and use of catch.

Progress: Creel surveys were conducted in all areas on 16, 21, 26, and 29 April (Table 1). The 278 anglers interviewed fished 441.00 hours0 days <br />0 hours <br />0 weeks <br />0 months <br /> and caught 789 fish (Tables 7 through 10). The actual harvest was 102 fish or 12.9". of the total catch. The mean catch per effort (c/e) was 1.79.

ibst anglers (50.07.), most hours fished (54.4"), and highest actual harvest (25.67.) were recorded at York Haven Generating Station. The largest total cr.cch (34.27.) occurred at the East Dan and the highest cean c/e (6.18) at the West Dam.

S=a11 mouth bass (395 specimens) were caught in createst numbers.

Other co==on species included the walleye (193), rock bass (99), and carp (27).

Over 817. of the anglers interviewed lived in York or Dauphin counties. Most of the anglers reported they eat some of their catch.

AS IEh7 WATER OUALITY Objective: To determine concentrations of selected water quality parameters in ambient river areas and the TMINS effluent.

Progress: Watar quality sa=ples were collected on 11 and 23 April at the five river stations (Table 1).

Analysia 'has not been cocpleted; results will be reported in the May 1979 progress report.

Water sa=ples taken in March have now been analyced; results are 5578 ad

7 presented in Table 11.

On 19 l' arch values for pH and total dissolved solids were highest at Station lAl. Water te=perature and total copper were highest at statlans llA2 and 9B1, respectively.

On 26 March values for total dissolved solids, total zinc, and dissolved zine were highest at Station lAl. Dissolved oxygen was highest at Station lA2.

Parameters, for which state water quality criteria have been established, were not exceeded at any station in March.

DATA CODING 3

Objective: To code data collected during 1974 through 1978 for f

I those programs listed in the Generation Procedures.

I Progress: Macroinvertebrate data 19.4 through 1977 and 1978 surzner populae' an estimates data were completed and prepared for transmission to Metropolitan Edison Company for keypunching.

Seine data 1974 through 1977 were checked for quality assurance but were not co=pleted.

The data coding program was terninated as of 17 April at the request of Metropolitan Edison Cocpany.

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Table 8 Creel eurvey Jete f ries the West Dem for each sus vey Jay fra April 1979.

D' y 16 Hoe 21 Set 26 Thu 29 Sun a

Wsether L1 ht Rein, Overrest, Clear Overcast Wlady, Clear.

8 Fas tly ClouJy Lisht Rela Fortly ClouJy Elver Stags (4)

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1 20.5 18.5 17.0 16.5 17.5 15.5 Y iu r. b rc t

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/

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c Tt71 p1 Total re Time rectoJ:

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2 2

7 7

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1 8

10 n ~r.

FliceJ 7.90 3.00 7.00 7.25 12.25 57.40 l

__ C av h!J t tm Fd SJ5 3J9._ LQ 6_131 7.26 6d8 1

Day Totals:

6.a l

A n41 erg 4

4 14 g

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1 a

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