tr,l

i'.:

(l{

A.

$odiol

Clrrhr

ll.l.$m!qrt'

ftilin E. lbnnr

OraF

rl',

Ocllcn

Tlqrr

!,.Celno

Poicl \'.

Rc{lty

R!{.id

E. I ldr

llilliro

S. lLolcy

R,

Ocnld

Brrrir

Stplu_A.Trgr

lrfictrd

A, Mytn

C. Chrl

Crrorro

Orry

f).

lichartr

ift*ttr

Do

Not

Raacnt

Sorling,

Northrup,

lJanna.

(]ullcn

and

C)ochran,

I.td.

.lttorncl'n

ot

l,nq.

B2o

lllinoi.

lluiLlinp

Springficlrl,

lllin<>is

fiif

i O

I

,\ttr

(lxlc

t: lz

1'chpborrt

j{.r

-

lt t-r

,Iulf

i

l,

197'l

Your,s

tr-nly,

Thomas

L.

Cochran

a

9rlrns.

(rrro

.ra^t-1..?

rp.{

\

I br.!,t

It | +ty

(irmr.

Jr

t9lt -t!1!

Jola

ll

lhnlrn

Rr

trr.{

.),.

(

,,,

i'.-^

tlc:pmy

encl0sures

ryffY5$

P0L[UIlot

g0llliol lSttD

Miss Christan

I-. i\4offett

Cler'k, Pollution

Control lJoard

309 West

\\tashington

Street

Chicago,

Illinois

60606

Dear

l\4iss iVloffett:

In rc:

Coffeen

Power

Station

-

'Iher.mal

Den'ronstration

-

IrClt

No. 7?-

ll-rB

I:,-nclosed

are

ten copies

of an

Aclclencjunr

rvhicrr

supplenrcnts

Central

Illinois

Public

Service

Conrl:anyts'l.hcrnral

Dernorrstration

which

was

subrritted

to

l,hc l3oard

ancl

the

Agency

on

]\{ay

26,

1g??.

'Ihis Addendunr

supplements

Section

B

of

the

'Iherma}

Delrorr-

stration

and is

the

Addendurn

mentionccl

in

our 14ay

26, tg??

letter.

---

:,.,

l'

I

I

.rl

A

DDF;li

l'i.jl'!

lYf

lt-iIEI*{A

L 1)Hi,i0

l, li

Ti.}! T IC ii

C0}'FEEI{ lOiYEF ST/ii'IOli

Uli lTii

1

tt i2

9ubmitted

to

CliNTri{],

II,LIl{0IS

PUillIC

SiIIRVICE

Springfield,

Illinois

by

ECOLOGY

C0NSUL,T.{N1['S,

]l\lc.

Fort

Coll-ins,

Colorado

June

19'/7

---

I

I

I

l

I

I

:'

I

I

j

rt.tLotluc

tiori.

Itt

l.".rte Apri.l

ol' \97'!

biololqi.s'u:: Ll'r-':ir llcolc;:;;

i)ur:.:cf

trrr:t.:,

1i-,t.

ciilrir:(!

out

tilc fircl

l;&rt

of

t,i:c

fact

fi.r,riin1,'

rjurv,:.?

of

.'.lr,,ifcc:i

i,lil:ir rcf'ar;'crti

l;i :.ti

CIIlfl

,lttennli.l.

!-jemOnltr.etiOtr.

OL,l;el.r,atiOn;,rcrg

r:lrrrit-

rr::ti S.:,,rri;fc:.irik{:r:

irt

fO,.iI'

g

Lrr tlonr: in

flof

fricr.r Lnkc

.

Stoliol i i',,11:

lot:r.i teri ir: thc

riiscl::lr'gri

*rin

I

l)

li,'u:otr

!-\

,

Lfi

blte

de,-'ll

v;gtet'

:rcar

the

Jerrr; Staliot:

J,

i;t'trcen

iiLat:

orr

l'

'$td

titc

1.Elr'6r:i-rt

aJm fJoutl.!"':':sL

of

t)re

{;errcrating

plant;

rur<l

fltirtion

,i

,

rrfJst.'r',1*.

1'r'om tlrt,:

:'ail-

vray l:ridge.

Sanpllng vrac

confinr,t!

to teinper:atrrrtr

and

o):.ygrlr)

plofilcri,

phytcpluktotr,

zoo'irlar*itorr, benthic

macroinvL)r"tcbri-rtet;

md fi;lr.

!'1l.1cts

ru1d llvc]'ti

of tvro

npecies

of

fi,eh vrere

erra:l.yrred foll,t'ac,, rnctall;,

llCii

rutd ll)i'i

contcttt.

Dctci.ls

of

sir:npling

rncthotic rur<i ::esul ts

of

j.ndiviriur..I

$rrirples

trill

bc'reporte(l

i;o Cl.r'l!.

0tr1.y erserrtlal

clatn

are

given

)rcrc'. Tl:rr

rrrain

purt)cr;o

oll

this:

nsldendun il

to

dral

togetirel tlre

rivailnble

j-nforrnat.i-on

corrcc.nririij

{ioffr-.i:r':

Lul<e

j.n

.'.'uc}r

rr ,',ay

as

to

prcljellt

nn lntcgratcci

pi.cttrle

of

biol.cgicor.

condj.tionl;

in thr: l.alrti.

Ph-vgical

and

(iiretnical

At

thr: timc. of

tlic April sa;nplings,

Station 1

v;as

hornothcr:nolls at

i?.

iC

fr.om

surfrlce

to

bottom

('laUtc

l);

vreak

ther:na1

gradicntr wcre

preoerrt

at the

other

strrtiotrs.'

Dissolvcd

oxygen

vras

equrrlly

rlistr"ibuted

rrt

41.1 depthr: at

iltation

11 sonrc

oxygcn

reduction at

dc'pthr:

{jreatL'r

thru 1

rncter'

"vas

ev.i.dent

at

the oLher.

stations,

al.though

oniy

nearr the

bottorn at

Station

J

(iid

bhe

recorclcd

lunor.ln't

fall. below

4

ppm.

A

dissolvctl

oxygen

contcnt of

,i

Ppnr'is

tLe

recornrnetttlcrl

minlmum

in

the

\Tater

rfualiLv

CTiteria

19'/2. Contiuctivi.tyl

nn

indicator

of

runount of

ionized

material

in

the

water', wa$ apprcximately

1500 rnicrorn)ros at

Station

'1,

l2OO at

ijtations 2

antl

3

ancl

10OO at

Ststion

4.

Observabions

rnade

by CIP|I

personnel

a.t sevclal locations on

Coffeen

Lerke

indicate

that

concentrations

of

clissolved

oxygen

are adequate

at

ncet]'the sur-

face

and

down

to

ilepths

of

10

feet

(TaUles

BG-li and B0-!A,

CIP$

19?7).

li'oi'

cxanple,

concentrations

ert

nine locations on

Juty

11

19?41

rargetl

from

5.5

lo

9.0

ppmr

corresponding

to

B?

to

1.18

percent

of

stturabion for

the ob$erved

l,emperatures.

,t

.

---

rl

I

'l

'Ihe

I11j.r:oil:;-iri:Lr.h;;cnt

r;1.

{-'or.(rr::'r':ili,jn

tr:ril

.:::;,.l3tli

!:t.,-,ijl,_,1:

irt

l_j

llLlrti.orii:

otl eoffeel: Ir'.kc,

/rugur.;l

l.:l

,

1lli,r.,

I

{r!',i,

J'c.rrr:,i :itr,:r:rl

,.;;tt

(-r

{;/ii,.}l

t.,

ri'..pthL'

of

]O

f{ia!

r-rt

l:il- r:Lntionr:

(tti*,

r.1.i,..,:-r r.

r-lof

feen L:*;c

thrrmril-ly

::b:::iLif

lr,,:;

,'J..1:.ir;f.:

.,.,.i.,n,:r;,-rj..

(.:Li.,,:.ririi

or;;i

i;.,;

;.,ii':i

Irrd

thr: Il.Liricit lieiriu-trier:l,

of

Conrcrvnl;j.rrrr

l.:{rvi:, }'r:,yi.:itl,,,.l

t-i:,i.t.

o"s:;rjr.rn rii.i-

cr'nirr'ationl;

i:econ€

reriuced

si.

r!riptii:i

g;..r;rtr-rr

tli.,:n

r.:t;o,_rl

l.r-, fe+t

{cIi'l:

.i

!'ij}.

tv;o

iuurtt:rJ.

cl/cligii

of

icnp()r'i'.turc

at:.J i

i tij(t11"i(t

oi:j'r:cl)

j.n

tirr;

rjc+rr

y;ati::.

l:ca:-

titcl

drrln iti:

;-r:vea1.cti

i:y

nicntirlS'

::a::,1;i.rrlg

arc

pr.t-r;e

lrtc.l

:.r:

T.iri;lc.::

2

ririil

-.).

0oL'fccn i,rike

i;afi

one ol

jr

Ililncj.D

L::kq

j,.ncLu.Ji..ti

i;:

ari

t:utr::pirj-criticn

st.irly

er:ti'tir:4

ouL

1;.y

1;lie u.i.

l,r:rrirorur,elrtirl

h'ot,--.r:ii",.r

/.1;c,nca'

i1 ltr?5

iusr,i,a

ill?5).

l)1:;sol.v':ti

o):yiien;rt

tiro cLa.tir.,ns,

rou6hly

crn'crjlr-rr:,ltrrg

to $tlbions 2

a:id

j

c;f

Llre

irpt'j.1

197'l::tuiy,

l,rils

less

than.i

py-,m

aL

iirirths

gre:iitc.r.

tl:;lr ?5 i'i-et

nt

tltc

t'lrne of srur,pllng

in /iu15ur;t.

Althougir

rt:o'tif.:-ci.l';i.on perri.stc

tlrrough,-:ut rnuch

of

t):e

yca.r',

it is

tlvirietit

bhat ,ihorL

tcrlrn chatrgc$

in

lcmperahrre iuld

di-sso.l-vt:rl

ol(ygctl

.-.oprgl-

trittiotr

tl<,

occur'

('tatrte

't

)

,

t;hur;

prccltrcli.n,'4

total

ri,:u'r:ritiorr.

T[cr..

j

s

tr<l

evi<ience

t0

rlatc

b)tnt

lcvr

o>:yg€n

hac becn lr:sponr;ltrlr.l

J'or

fish

derrtl]::

j.r:

Coffc-(frl

l,ttkc:.

Thr.: fj.slt

itre

abl-e to fincl

su

j.

Liible

Lolnl:cra

Lrrres

irtd

level.::

of

riiss;olved

oxygctr in

thc

uppen

\vatcrrj

FJt,l

j.n

bcr;/l;

off

t].rc coolj.ng 1oolr

atrrl

irr

thc

.inl.et rrrrn

rrot'th

of

the

r.lil.vrly bri<lge,

Coffeen La,ke

has

uttdergotre i:oth gradual.

r,rr:ti

rapid

charrge*

ln

copccn-

tratior-rr; of some wnter

quallty parzunetet:s (t'r.rl:ltrs

!

r,rrd

6). frrrnr

lg5i

tirrou6lh

l-974r wrrtel

near

the

dam

tended to incr:easc

in

total

disso.l.vl.-d

solidrl

,

sodiwn

ud

sulfate

anri

r:irnultzurcously

decr,eerse

in bicarbops,te ;r4cl

nlkalinity;

for

exarnpler the mean

concentr.'abion

of

rl)i:i

for.

ycrars

1965,

66

flnd 67

wa{:295

ppm;

thc neztn

of the ycars

1972,

7't

rut(l

'/4

.,'rrrs

J..lZ

ppn.

Cor::esponrling charnges

ln valr.res

for sulfatc

wrd alknl.j.nity i';c.r-e

BB

to 1gO

rrnd

1J0

'"c

'14

pprn.

,

Total dir:sol-vcd

solids,

calcium, sodilun ancl

sulfatc

lltcrcase<l

driulratl.c-

ally

between L9|4 anci 19?6

(taUt"

l)

nt

tirc srune

tirnc bicnrbonatc

r:rr<l

alka-l

n-

ity

decreased rnarked3.y.

The

lal<c

discltar6etl

vratct'over"

th(:

rpillvtiy

iit

leurlL

perrt

of

the tirne

vdren

clteurges in

wtlter

qunlity

wcr"c

taking

phrtel

lrovrcrr.t:r,

there

has been no

discharfie

over

thr-. spill.vrtry sirrce.Iune

of 1975.

I

!

t

I

'

:.

I

,l

"t

iI

'l

I

",

I

I

ir,./.-..-;;...r'.

---

'rYater

;luality

nr:al'

tire

railviay

hri.,l,1c

r..r]:l'ai

t.-,.i

r,:Lr,i1nl

hot'iever'.

calciurn

sr:d

rirrlgr:esire.n

j.tre:-cas,f,(r

cor-.et,s,:.

t:;l:r.f

lr-

yri.

t!.

TI);j

r;ttlfrrtc.

i?ntuil'quality

hns

becn

rr:or.c

vr:r.iritlr:

lr:

Lir,:.

jnleL

riln

,l.r;r

thr:

grelitcr'

stiind:tr<i

tlerrintiorrs

l'or.

the

(ii!-f{ir(.r,i,

g,rrl.lur.,1

r"r..ri:

:

rln'-,xl)r-rritcd

irince

rrnoff

eriteririg

Coffuerr

J,rrkr-.

,,.irr

l,l,_.1::1yiii

,l):,,r,k

[)Crci;r:ri

to

riif

fr:l'

in

qul-Ii

t.y flor:,r

tire ].akc

i,rnte:-,

Pl:rnr;

'l,o

con

ttni

v;antev;atcr

iii

s':lir..r';3,-',

coel

1,i1

r r'.ir:r:f

:l

e-,rri

:.t.rllrc!, {jf;r..-

c'ntl'r,

l',on::

i.tr

r:cl: pond

cffl.rrents

lhoulrl

rcvr:r.lc

lllc

trenrl

t{iu,ar,.i

j-r",rrer,!;jr.u:

t;cLrrl

soilcic.

I.ntr]:.rn,itterrt purnlijng

of

ivrrtcr

fr.olr.. il:rt:'i; i:ilrcal.

Crrck:;iror.rlti

alsc:

rrld

in

pr.evcn'blng

'lDS

tu lncr.car:c

via

evagrotntior).

lilrtonl

rudctori

Dcpth-integratorl

leunpl-c::

of

pliytoplanktcln

',,rcre

obtcrinerl

at

fou:.. stutj-ons

ori coffeen

J,alce

on

Ap*i

L

?-6,

1.97--

. s:unpl.er;

v/er-q

s-ietlrecr

i'

t)re lnbo.atory,

cxamine<i

by

itrvcrbcd

lnict"oscope

rind

cc'11-r;

cou)ted

ln;lrrg rr

l:roriiflcri

1,rrckrt",

transect

methori

(Voltcnvrcirler

,l.97a).

Four.bccn

trir:rr

ol,

gfocn

rrlgnc,

tlircr: of

blue-greenl

36

tiirrtomct

one

dlnofla6ellnte

clJl(i four eugl.enoids

uclc

i.acr,ti,!'ic,l

.

:

Totul

l:lrytoplrurktotr

dc'tttity

lrurgetl

frorrr

154'l

cel.l.l

I)(:t"

uil lrt'jtatiorr

4

to

9

1759

nt

fitntlon

.1..

Table

?

li$ts

the

nrunber

of

cells ol

colonial

zurd

filanenti

unlts

pc:r

111

of

'lake

wnter.

i3y

far

the

most

abundeurt

alga

at

litatlons

1,

z nnrl

J

yrrr:

the

blue-grecn,

Phormitliuln

tenue.

Thc aburtlzurce

of

tlric species deprcuscd

tlivcrsit;,1

rlb $tation,o

I, 2

and

3.

Althougl:

the

totat

nurnbel

of

lllry'loplankter.s

wr-rs

lov4riit

at

$tation

4, the

diveraity

vtas

highest

there indicuting

n

morc

evcn

6istri-

bution

of cells iunong

thc epecies

prcsent.

The abunclance

of

phytoplankt;erEr

in

the,April.

coLlectiors

frrcrn

Cofl'een

j,nkc.

(r,e;ur

=

6JzL

unitsr/m1)

vra$

similnr.

to

those rcpor:tecl

for,

tirc

r.;pr.ir:ii-errr.ly

DLuilnel,periorl for lrrke

iiangchris (lt'tttS,

.:g74

&'fg.n),

rurd

sligrrtr

rr""*cr,titrur

those

reportcct

for l{cwtorr

t:nke

(nCl,

f9?l

,

Lg76 &

Ig.n).

Collections

florn

t)rc

spring-earLy

surnmer

perj-ods

from

both

Ncvrton ruld iiangchrir:

Lakes vr.,re

typic61.1y

dominatecl

by

grccn

and diatom

specieo,

wherear;

tlre collcctionc

fr-orn

Cloffeei)r

Liihc

vrcre dominated

by a blue-greon

alga,

phorrniditln

tcnuc.

:'

':

Pe::haps

the

.most

remarkabl"e

feature

of ilre

col.lectlons

was

Lhe grcat pre-

:,.

::.:

ar:

---

I

I

I

Fontl(,r|ir]'rc!:

.r:f

*1-r-11i1 r:1;g;!q; e}:itli

i;,';i.;r:rril.;f

i::ij*

i.j.

, ,1.,:-:.:.i.,;1,

,..o11'_,..-1,;,:

;::i:i

th,-,

,{*lt,.r:rL

}:r+k

r:f

{.nili.

1,.irr.,ir!;cn!c

:;r.,r,,.:,.,.

l,l:r:l.i

.i..-j,.

.ij'

I,i:.v.;.11

l,ull

.:,-,r,

';i'i'"ri.cii

lr;'c

t;i1;1

errJ ot'

l!ii.

fiirurktcn

.if

;ri,irl

i

r.,

r,;,r,i1,.-j'

,1,.,.\

.:,:iir,,{,.,.r.,

:-:. 1,,..

di.,l

r,ct

ftl)lllrrt

il',

tiiir

Cclf.-.,rr;

i,:ii::;,iuLr.

?i:i"rlllJ.:/

prcf

ic ta-:

Eti6iiil.{:ii:

ijf

l)it:,'t:11,1:r-r};'Llr;

l'

tiiolrc

oi;tai::-r:,1

in

tlr,..

r:ul,!-ophi.c:iti.t!:

:'rlrry.',.r',

;n i,i',,',-

r)r',"1,7

rrl.;i:rl

r-r:rit::

trt:r rij

rr.,iJ ,,.r/,:'.i

irr /,u2.u::t ,"r.1

i,r,-,

!:):t1;r:n.::

o{

ttit:

i:..:rt}*

C_}_!-€_!_dliri

r,:'_:r.r-. rtop;ir:plit

i.r.:

Lhr,

Lrlr,ic-r,r.ters

:t16:i',

!rjgjillfrifr:i+

;-:8.

. \,.€t!

rlolr,ir:i*:i

i:

':..

!r':

t:r:v,Lr:r'ei

to

AFril.

ar17'l

I

ti:,.,

ir]':).toF1rirll1-.r,!r

:jrri.jtrit:lj

cf

tl;r' 1?'il

I

:fill'yfi,r

rrCt:r- ii6mll)rrr!i;t;C

b;f ,p1ti,r:i':=;Cnlu

rill'rru,

iil.thcr-ii:it

J'ul)l'r.:.,,n+,gi:.v,:,:

oi t,lir:

p{iriph.i'ion

vr;:l-e

i:15o

prcacntr

?}ir, Hi'.tr

tirtlqicif

:iuikr'j i]r:ifr,:n

l,rl,.,:

i:l;

thr:

'iht-

no..:t

-

eul;ltopitic

of

ilia.

Il-trinoi-l I

rik,-,.:

irir.,:,$'. iplrrtr:,il

. Fl:ol:1-:in:-,:l;

vran

btlieved

to

t,e

)

imitin6'

in

l,'!::3r'rlt:ri Au{.:uijl, irut

nil,r'ogrn

\rrr.:

t}:{'

L.i.:;it

trrr;;

|'lutrielit

in 0ctobcr.

(usepl

r9?l)

To

vrlrat

txtc!rt chunfirir; in

viatcr

quatily

butv,.,(ir]

l1i'i:; lirr.

I1)'f

i

nr:r.y

li:rvc

affect:.t

conrlloBitiotr

ol

the

phytoplruikton

1u lulL-]cii!..

Ai.tlrotriglr t.c)-rllien-

sltipc betvreetr r;pecics

of

piiy*oplluiktorr:rncl

th.-,

pr-r:,;iencc

of

::uLstalti.,\1

turicunr"r:

of

bicarlnnate rtrtl

alkalinity

tre

liy

no

rlirlsr)s lirnlllri

ru,ii

ncrt cornplctely

kl'lo*r:,

'there

is n'v.'idely

!na(ie

ob;elvatiotr

that lakcs licli iri

elkrrl.inity

Llld

to

bc

more

protlrrctive

than tho:;e low in

t):is $ubetrlrce

(l{oyl,c

19,19).

:eer.tain1.y

vrater':; r'ich

in

bj.car'oonLites'arc

vrelL buffereri

agtrirrst

ropirl

cllrutgcrj i.n

pii.

I.\ture actioni

tirot

vroulcl

tend to

incre:rst:

al.k:rl:.riit.1,

j-n

Ooffeqi Lrikc

sl:oultl

provc

bcncficial to thr:

phytoplanJ<trrn.

Zooplanktoq

?iooplankton

werc

$ErnpLed

quiurtlt:itivr-'Iy

by

nrcrrnc of

obljquc

tovrs

rvitli

a Clnrlre-llgnpus

planktorr

sanplcr

on

April 26,

1.97'1.

Tl)j.,1'ty-iiix

i;er:r:

vrele

idcntified, including

r9

ltotifet'a;

9

l;pecics;'of

ii*iocenr,

'rnri

B

tiua

of

.

Copelig{11

.

'i'}re

'zoopl.mkton

cont,:ined

no ur'rucurrl

.4.:l){:cjc$.

ill sipeejcs

of

rotJ.fers

but

ono

foutrd in

ilre

Coffecn lranlrlel

hrr.l

tre.uri

rcl)orte{i f::orri

l,lrkc:

linnilchris tllrr'ilrg a

Lu,'r-year

c[udy by

tlrr.'

1lli-noir;

i]rrLur'lr.r.

ilir;toly

ijrrrvc.y

"

l',--''

l,,.

..'....

l"',

r'

.,

,

...

l'..

1,.:

..

!,,'

1::,:

.'

:

".

-.

1'

!-

t.'

ll'r',

'

l",t

'

|l'.

:

---

.{

tt;lt:;

rti'l;).

}.r:,gr1g:r:i-:rq

iltr:i,,-.ri1,,+ir

.r'i'+c,rdr?ii

from

l*ihe Sarigchrtr..

{.

f

j.r,t::i

Ccf

fec.n

anC

liiutilr:?iril

i:lis,:r.i

rrr,.

.r

r

i-;rr,ii.,l

Iir,nr,on

rrnd itqrcl;t:rg,jr

].'l'rrt).

rj

it:

ii.'*

i:.,r.::ti.:r::i.f:

:r

l,

l.l

laIi{ir.t

t

.t;t.i'.

*(_,.,_

:lt'i,i

{'i

vrr

'l

ti:

.-:}'

r'ri

I

i t'lii'l

=,lra,xi.r:-;

1.r-:

:

::-.:

j

l;ri icl,

t,i

yr:

r.:f

,

,-i -+r;'i.1.hii,'

.-,i-,t,,i j

l.:.:,ij:l

l.n

'Lo

r.ls

j'f'11",1

irlkri

i.c;i;llitr],.Loll

i'rtrtrril,.,ri

!,'.vo

jrfirlr;

'.i

r

j'

.l':;.i.ti.i

ii

(jl.l1ljgl

5rr,l

4li]-trtu

m,.,t:,lC{;:'Ir)

whi,:i:

F'.,r.rr

r;cl

-rspc;f

iqrij !'J-C.r!-r i,,rkr.,

l:.uii-c}.:

i. .

?i:.,r,i.. lilrr..;.i

r:r,

rrr,:

wJdr,'ly

:ii:rLrj.butlij

;rr

nid,r..:i:i;*]'!:

!jp1;

lr.,ri

rtriiel.

{

j:-r.coi;,;

1,-f:,?}

31:er:!';tr.

of Cop+po<i:r

norit ccinrnoti

;.tt

tirrl

i-'oflt:r;ti

r'{iJrii,'1.{.i.i

rl?lvri lr*r,n

:-rji)?}',.,eri

fr-om

Llrke sr:n,;cr'iri;

(it;tll;19?5)

i-*lri

ii:-c

*'idcl1l

dlstri51itt?(i

tlr:.ouiih

nl,iwcstcl'ir:

'tlrri

Lcti

Ilti'tt';;.

Trrbl

(.

8

cor'yinrec

tlre

numL,.-rri

of

m:r.lot-

taxll

r'{.:llortr,l

f r'on i;ii:t,

San6chris

anti

llr:y;ton

J,r&e vith

Colfccr:

Litkr:

$zr.,irrlE:s.

Pen:sal.

of Table S,ghouid

be

:Leirrpe:'cd

by

tiit:

frret

tlie Jocpl:irfitern,11r.c

1:";t|ividua11yshort-livedandtilatpopu}n!j'cinsr,'tixat:tiivrltcrirpidi;..!.cr

er'.unp1e

''

:loopltr-rrktorr

popu).rrtLons

j.rt

Lai;c

Sangclrl.is

cxl:ii;itr:ii

tirree

plllseri

drtrinlq

tlte

ycnl

Scptctrtrer

19?4

through Augrrst

19?!

(lHtlS

Iii?'j).

Tliq

.yr:rir.I.y

runtfe

i.rt

numlrert;

of zooplanktcn

cxterrric,i

frorn

2,OOO

tc

'13(,rCOOr/ni.

Imrrafure

stages

compriired from

45

to

B{

percerlL

oi'Llit: cog:epotla

colLectei

loffeen.l.;.tke.

Nunbet'n

of Clacioccra

apF4ali-ow in

Coffcr,ri

lli}c

irr relnticri

llevrton

arrd Sa:rgchr:ls

Lakes.

'

Perhaps

the most signifleant

aspect

of tirc Coffr:en

Lrrke

sarnplr-.s.i.s

il:t

perucity

of

large

zooplenkters. llotj.fer:s

are slnallI

coJrepod

nauplii Frnd

:/ounaI

copepodite stages

are

s;rna11

and Chy<ionte

s|)haef

icusr

tlrc

nrost

nurnerou$

cladoceran,

is also small..

One sunplirig

is

insufficiel'!t

to establish

lake-vride

trends

1n short-lived

zooplankton

populations

but

the

data

sug6est

hearqy

util1z,ation

of

zooplankton

by

planktivorou$

fishce with

s;electlvc

r.emovsl

of

l.rrrge

individuals.

li'lacro inverte brate s

-

Macroinvertebratcs

were

safipIe<i by nteans

of

an

Dkrnaur

dre<lgc

at

four-

ctations

in Coffeen l,al,;e

on

April 2'l

,

1977. Three rcplicute

sarnpleu

were

obtaineC

a4'each station.

Each lcp).icate

contalned

matcrial

dr.eclged

fron

one

square foot

of substrahrm.

i:

-i.

The mean abundance

of

benthic

macroinvel:tebt'atc's

fronr

thc collections

---

I

l:

-

'::,:

)

;

I-

I

-

I

I

I

t

i

I

t

I

t,l

.'

I

I

t+il,ct't f rOm

C<rf

feen 1,8):r: arrii

',:

:

inrJJvjrili;r-i;-,

ii{'::'

eli}-i:::ir:

fc,.;1,r ci,

1

,

'i.i.'i

iit'rFxti.,::i.::

pel'iiqual'e

lneter'(frrt,i,:1;).

Tl:i:;

valut i:':riiiii.;,'':.:

tl;i,

:11'1.11ir1

1gi4,;'lf

i,t:l!.il

clralei-ri::rrrr;

re

(.'orCr{i

for LLrke sani1chr.1:r

(

li;i;S

i'j'1,..i

:.*,i

}ir-.v;tcr

)

'i,.f

i(t:

it.i--:;

'=.r:-i':

i

,

The'raverage

yearly

al;rtnilrnce

cf

t,*nthie

r,nr:t'oir:vr::'1-,.iriir

Li::;

1't't)'r, iit,rs'tcr:

i,.::.k*

fol"

1?'/f;

'A'fis

J.

rii'l?.s

ot'pitliLir*s

per

i:.iunrr:

l:rc.tcl-.

fi;, i1\,triia.'(,

',,r.,rrr'l:/

ltii\ttl,J:rr;r.:

cfl,i:entliic

orBnnicmfi

for

i,eke linii6lelirilr

1,,'rr:r

I

,ii'l{}

,,:;,i

,;4ri

r:rgruri

crrr::

ire:.

;:..i1irirr:

tnefer for'llir.r 1.()'lA-'lts

rti,l

ir97j-74

sut.vcy

perlc:i:-:,

l-:].rirjctiv{-.1y.

:

',

t

:

'

'

/i.ltlstlc

eat'thwor:ns

(01igochaetp.)

r:r:i

itu:ist-,;r'* siti:ger:

of

mir.iges

{Chi:'orioi::r,lrrr

)

atld

phantonr

miclgcc

(Ch,robor:.r!ee)

tteru

tltr

dor,r:rrint,

+r1tin:irrrrij

collcijr;eri

it"oiti

:1,1

th-rlee Llkr:s.

Laswae

and

pupne

of tlte

phr'-ntorrr

rridge;

lhsilionrs

lylctilrcrrnis,

4rc.at1;;

Corninnted

most

c'f tire

satnples col.lccied from Cofft:cn l,al,e as

vr;-rs'L,hc

elrse,,,rith

many of

thc collactiotrs f:'r,m

licvrlor: an<l

ijturgcirris

1aI::e.

Tirus,

ir.

cornpar"ison

with"kil<e

Sangchris

and t{cvrtor: Lake,

t}rc sarnpl.eri

collectr.,d

i'l'orn Ccffesn

is-d<e

j.n

Aprii.

ltad

a

typicr.rl colnposi.tion arrd abundn-ncc

of br-,rrilion 1'ol'Lri),.cs.

jrr

c.cr'!Lrel

I

Llinoi s.

:

Conununlty

divcrr:ity,

based

upol. the

Shanrror:-'iYicner

riivr:rslLy

intlui:(ri).

indicates

a

differer'-cc

between

the

rnoln body

of t)rrr l-ake rurcl lJre rtren rrpstrer.tlr

flom i;he ltrilrvay

britlgc

(Station,l).

DiverErit.y wrrs

quibe

Low at

3tirllorrc l-

rrnd

2

wlrele

col.lcctiot'ls

v/cl'e

totaily

doininated

by Citaobor-.u:

r)urlqtlrlerlnig.

!,iurc

lliytcls

of

altirnals

werc

found in

clredgen

takerr

in

Lhc

{tr'cn

upr;trea:n florn tht,

railvray bri.dge

(Station'

4),

and

the indlviduals

present

?rc.r'e

lnorc

e:qusr1.ly

dic-

tributecl

anontj

the species

present

as lndicate<t by tire

gr:ea'tr:r

cornrnunityi

rliversity

and equitability.

Fish

.,'

Fish were collectetl

April

26

to lilny

1

by rneans

of

6;i11

net::r

unbaitccl

hoop netc

and s,:rincs. Cill and hoop

nets

werc set

allproxirnately ?4

houls nl

each

set.

::

Table

l0 swilnarizes

the' comblncd catch fot'

all

flrethoils

und

locn't1ons.

sa^urpling

nethods

used

are

selective for

solne speci.cs irnd

agnlnst

othe.r'sj. Irr

a.ddition,

the

methorls uscd

tiid

not

sarnple

all-

watcr'flrcas whele

firh

r,i1;)r1; be

found.

As an

exaruple,

very

few largeniouth

bass

(Nlicropterus.

salmoides) were

:;l::::. '.,;

I

I

I

I

i

:-

:..:. r]

---

il

ai.,',"

il

ii

:ii..

gi

i,,

il

::).

_1.:

.

aT

iit

:

t1!,:,

Ht

Hl

F-,

FI

Fr

ar

Fir

'

:,.

:

'.i

"

-

,:

l

,,,',,,.'

.-

,

tOlLlCr"c'|.,

r-.yp1.

t,hOU6,.ir

ilrtrneiyr]

rillr!

l',.,lrrl.i.vnly

n'i

.,.r..::t!'Lrl- i,rrr.s !'i.iiiirlr;

(l;;;

.:,*':gri-r':i1)

nrrs

oceurri tr;i r!l:r.1nr:

i.hr:

r:nn:l;I

ir:ij

I:r.::.ii;rl

.

-

'il,i.::

i;.

Lc,

l,r-,

rr)ri:r.c1r:11

'

be*.liu::e

thr:

biig.q

lrad

tircvetl

i.nto

ex tremr-'1.i' ;.;ilal.l.rts;

-$!r1.t;,i'

/rJ

j:i

worc

ri{.,

!, i;:i::i.i.t;ii.

Lri

*.;iie

pro.xi.mlty

of llrqr

n*ts.

,

i

A

rvtdc

var.lgf

ic;tr

v,'lrt

oL*qt:1'veil

irt

1,1;rt l:+r.'i.,fi;,ri;:t:tr.:

r:i.'

r:c,r;r.li

f

i ati

i;i:-

,

l;vrC'e;l

tii,.'

lrmull

rurd

1r::'r;e

inrllvitlufllri

of'

diil,,

r';;1;;-

j,..

'ilil;i

rl

.i.f l',,frr,rr.r.

',ur'.:-'

alco

evldr:n

t

in

th..:

l-tr:f<i

I

snlll

rrnl)lr1i.!

w..r'{:

'::.ir,l.irrtrr

i

.

rilrt'r-,jlc

'i:i:;g,,1

I

+r'np1;ie

tlppei'rt:cl

to

b*'-ir: gcoii

con4ii,iori.

Sinjitrr.i;r.,

,=rrirril

biucl:i11ri

i.ier,:

s.'mae

iated,

but,

too

f,:n'

Lar6;e

bl.uei'iLl

,j

y/c]'r?

ei..pt-.llt,.l

tc nll-or,;

ya.r.:-il

r:finij:-;l-

i;onc.

Chruu:r:1.

cntfj"sir

alio

exilibitc:d a

diffc,renc,r

j.r:

co:L.ii

t:orr

,!

,.'perirlcrrt

ori

aizer Thi"*

phenolnenon

hqs btan

observed

frcquen!1y

irr lou:i a.lr<J Slc.,-rt| ln-ko.'a

(elirl.andcr

1969)

and rlnpecr.

to irc

a

cirrrriretcri

stic

ol' tlrt:

:rprcir:,:i.

Condltion

coeff

icien

tt

'nr-rc

compirltrtl

,t::

Lh avti lriblt.

l-ittirnttrrr: vi.rluel

obtaincd

fl'om

otlier

'il;'lbcrs.

Siincc

no

:;tntisticrrl

yar.iiri-rili

ty

1r;

rrvlrilrrblr,

for virtually

a)-i-

literature valtrr:r;,

r:tr-rti-sticrri

conpril'i$onr

:rrc

r:ol,

pa;;-;ir,L':.

Concittiotr

cocfficicnts

tor

g,Lnzot'd

ehn,J

in

foffeen lirk,:

were

sliglit)-y

bclot,'the

vreigltteri

avc.rirEle

of

all.

condition

cocffi*ier-rtr-;

oi;tr-rinccl

in;.i

rsi.ile

rnnge

of other vrrrters

tltrouglrr,,ut

tlie

lJnited

Stat+l rllr

l.Lrl)or.t(:ri

j.rt

r,tlriuiile:'

/r

\L

or,o\

JV

J

]

'

lovr

any

of thc

Ineiur

coefficient::

of

condibion

fol

cr;he'r'vrirLerr:

tlrror.rglrt.uL

.the

Uniteci

States ao reporited

in

Carlzutaer

(fg69).

'llte

clcart

\rshlr:

fo:. ijollcr-rr

Lake di<l

holever

fal]

withln

tltc lowel

rinrt

of th,--:"ariilen leltortctl

Jlor

r.Lhct-

vraters.

Carp are

not t,ver'Iy

abundarrt

ln

Cof,feen

l,akt-'.

:

:

:

Condition

of

yellow

bullheatls in

Coffeor l,ake vras :.:1i6irt1-y

6rr:i:ter

than

the

rvcighted

ave]'age of

values

reported

in Carlrurrlet'br.tt rvn:; rrlig!'rtly

belovr

the

mc'an rcported for

nortlreagLern

Lllinois

(Crrrlnndt;r'

196t).

Y+lLcu

bulllreads,

al.though

not corurron i.n

Coffeen

lakel

atlpearc(l

to

lie

in aver'rrga

conclition.

The mean

.Lake is

similar

River.

Catfish

':.

'

BJ.uoglll

condition coefficicnt of

charurel catfish

foturrl

in

Coffeen

to tire condltion of catflsh observe<l in

thc

liilrsisslppi

large enoggh

to

interest

anglers

rvere

above

averrrge

conlition.

were

in

poor

conditiorr in

Coffeerr

i,ake

excupt

ln

the dam r.ei;ion.

---

Er:trerne

r:mricintlon

rv{rr.r

41rldq;1.1t i.n'r.,rnal1

(<

':g;

r[rir

tct.iil

,]

qrrlt.:r,]il

frsl:,

;.uid

Iergcr

,

f 1 sh

rve

r,:

fe

w in

thrr

*runp.! c,c,

?;vr-.n

Laritrl

iisi;

ll,'ril i:ond

j.

!;ien

r':ot

i--

f

lctents nr.lar

the:

lowar

etid

r,'f

rrlrtg(rs

q.ivr:.n

i:': Cirr'Irrriii,.r:'

(l'lt-r-1),

'

Ar:other

figh

coll.eotsd

vrhieii

might

pr:+yj.,le

i:ilolt

fj:rlrl*ri

v;ii.:.:

tli,.'

vdrltccrl.^ppie.'i]iiteet.nppierredii'biLl1dt.ivolii:;t:-ticLcorl,iil:lalt(:.',:f-

liclent::.

!'li:ir

Iess

'ulrrrn

2OO rmt Lottrl

,lengtii

v;er*

ifi

pr-rr:rr i-rlli,:li.

Lii:n

rrtttl

tli:'.

e.mtrtred

tlle

('jla.?clatt:d

bluegllts. i,'rvh

flr'efiier

ti-tr:J:

I':OC

m,-r

totai

lenlith

c-thtbited

good

condl'bi,etrr,

lurtl

corrtliti.on

irrrirrove.J ri::

t]:c

sii:r:

c1'',;i'ie

irr'Jivlrlrr'.r1.

fich

beearne J-arger'. Lrrr6;e

crapple

rrncr-if

iet:<i

for

pr's

ticl,lr:

'r::4

trace

netal

zuralysis

hstl been fceiti.rr6

on

glzzar<l siu.itl .

A1thoirghon}yrifevlIar'65cmouttrba.:s;.r,,e:.ecapirrreii,tiloset}.ratwerc

captured

werL. ir1

cxcellent

contlitiorr.

Contiitiori

fac'tcl

war;

'scll

airnvc

tiie

vrcighted

average of data

presortcri

in Carlo.n<1ar

(fl:;l).

-

Comparisions

of

dats obtai-ned

i.n

Apr1l

1.9'17

can

be

rir:ile

wilh

data

collected

by

tlre

fltj.nois Consenratj.on

j,lepartncnt

rlrrrj.ng 0ctol:er 1968 suiri

October

1971, and b.y

IYAPORA

in I'lovember'

19/-",..

.

:

Growth rntes

for largenouth

bsss,

vr)titr'

craf,pie

anri

bluegiLls

rv,::'c

e>:*untnerl

for- Coffecn

lake fishes in

l,iovembct'ISTJ

by

'{iA?ORA

for

CIFS.

it

v*rr;'

concluded tl-rat

bass up to about

]0O

tnrn in

lerrgth att<l

3'+.age

wt:re growing

ar!

about the

lllingis

staterv-ide

average

(CfpS

L977)

eurd'Lhat fish up to

4L.O

rrua

and

5+

age

were

exceeding

the

statewicle

avera8o.

iiovrct'er, bass

ol'Iet;r:

th'.rn.

IOO

rnm

ancl

J'r-

age

uppearecl to

be

growing

nrore sl.owly than thosc

cxruntncti

by

Illinois

Coneerration

Departnent

in October 19?1.

There

was

littl.e

difference

in

length

and age

for

fishes

larger than

]00

rnm

in

ther:t':;tj

years.

'Larger

inclivi<iuals.vlere

in

betts'r: con<iition than

smaller bass

but most siaes wcre in

poorer

condition

in l97l

tharr in I9?1.

Apparently

glorvth

curves

and

cotrdition

factors

wer.e basecl

on

mcasurements of

43

fish, a

smaIl. numller

for

generat:trg

a

reliatrle

growth

curve.

1971.

.

wiae

B1uegllls

and

vrhite

creppi.e

wcre nakitrg

bire

eame

grorvth

in 1.9?l as in

Ylhite crappie

grovrth

in

19?I

rvas

consi<ierilr)ly

greaLcr

than the

stp'te-

average

in

19?1

(crPs

19?7).

---

:.'r...'n

lf

l-ttt';'1'1iq-rr.1

[,f1

i.r,11;,;

ii,r:-"

t'ttitrr:.fini]

rr'l irt

j.vt.l..1'r

'

-nOnttsJlt

3incr,.

Iy68,

:jjlue{itf-1.

ru.i,.i

r;1ii

f;c

r.,:.:rt,!ri.,:

r.rr.r1

ir}

iro,-ir.{lt,

,rlr:rl;r..

11C:.i

,.

,!

'rutrl

ilt

19'/I

tiler:

t'irey

li,1,::'e

irr

.l96rl

,

l,rrt

.l.

j

lt)

r-

r:hrrr-ii-q

li

rii,l,rr:.rrrrt

l:plvti,i,r;

:

19?1

rrnd

I9'f'/.

Carp

rr::ri

.*)inri,:-r1iIr.jnr

t,rJ lic

lr$l)

lir-8r,,::r{i}:lI.i rlrrl,,,

t-iiiut

I,i:{..,y

!i'rrr.u

:

in

I1'/1.

Qbst:t.'vntiou:

tn;ltlrr in /rpri.l

L')'i'l

arrt

con;iii1-,.rrl r;:i.t,ir

c,rir'.] Lc.r

(;b..:r-,t*fir-

tlbris

(CrpS

1.:fl7);

nr::nely',

thoce

intl i'ri{ulils

ai-

Ijjt:*!,/Dror:-:

spccier;

w):ir-.}r

cnll ilttaitt

n r.!izc gt'eat

e!iou.Uh

tci;ic.tlrit

thcl:

Lo

p;'r..y

cr:;.;uial1 rri,iir,l,rug1i.

of

other' cpceies

ot'to

eannibal.i:ztl

smlLl-

intlirridurrl::

rl

Llii-.ir

owft:::I).J,)i(.,c

have

itr Collfccn

Lnkc

si

-ilood

supply

Mric): supgrc,rLs

ijoo..r

gr\i,'/th r.,ntl

,,:onrll[ion

fcrctors.

,.,

.

i,i,

Tvrerrty-onc

spccies

of fj-r.:irc,3 havi

beert recorrle,i

fror;r

Co-f1'ccl, i"rd{;:

sirice

I9bb

(Tablc

/,* .

-

--

1J.).

\

In

cornparisori

19 and

l.{J lrpecies

}r.j.,'r

be

i:rr

:'er:'llded

i::

i,crj<i:

iizurgchris

and Nervton l,ake.

Flve species,

1nJ,,c

chrrt,, emer.sld chincr',

colrfiiorl

ci'rlncr,

oraltge spotted

sunfish

anti

yellow pelch,

lrrr,re

bct,n

folurd in Col'i'ccn

l,ake

but

not in

tlre

otlter tvo. fhe

fis)T frrut:l-r

of

l,il,v;torr.l,rJrc

pr.obnbly

lxrs

not

yet

stabilizr'd

sirrce

take

filltng

only begi-vr in

july

ot

:rg'lc-).

Cofft:l:r:

aud

Satrgclrr:is

lakeis

)rave 12 widely

dlstrilrnterd

snrt

r:otni'onl.y

occrlr.r'j.11g

spL.{::.ei:l

irr

common.

Trace

Metals

anri Oreanic

Comuountl$

irr lrish

Fillets

from

15 vdrite

erappic trnrl

15

channel

ea|fj.di

wcrc

an,tlyzcri

fr.rr.

mercul'yr

arsenic,

DDT

.urrl PCB|s.

Tlr.ree cornposite

eamplee

turdc'

trp of lll"r:olr

frotn five in<lividual

fislt

of

each

specics;

v/e!'e

pt'epnled

prior

to iuralysin,

l,ivers

from

15

rvhil;e

cr'appie

and 15,:hrrn4el

catfish

!'/ot.c

composi.uecl

sirnilarl.y

tlnd artalysed

'for

zinc,

chl'omirun, copper.,

caCiniun,

nlercur.y,

DDT

eutd PCIit

s.

llhe highest mercury value in

f1esh,

48

pptr,

is

vrell

bc'low

bhe U.S.

Food

ancl

llmg Adminj

stration nraxirnurn

penni.r:ni.b1e

levoL

of

tOO

ppb

(tai:lr'

12) .

Arsenic, IJDT

and PCilrs

vrcre

belovr de'tection

limil,u.

In L9"13 tl'ye flesh

of

seven largernoutli bass

"vas

nrrcrlyzed

WA?ORA

arnrl

the

meern

content

was

140

ppb

(faUfe

f

i).

for

melcury by

.,

IUercury content

in

the flesh

of

Coffecn

fish

is cornpnletl rvi

bh

antrlyses

I

---

from'oilrar

centlarL

ll.llnr.rir:

l.rrlrer: 1r.l

TritrLc

1n.

l{t.,:rii

ti:8

Coffeen:.fl.sh

i.;han

1n

J,r:rke ltrurijr:lrt.il;

{'jrilic::

r,Lr)ii

ji;

l.riker.

iri(1l-i:it.t'i.

rr:vt-,1 li:

lcwr-.:.

lltrclr

i.r,1o'c

tir'.

':,ilri,

i

.

The

Jivttt"

it;

rul

orgrd)

o1'

rit-,[ol:1I]icntJoli

lr]'rri

yn]'ni

tr.i

r;,11ir-'r,1yiir'.1i.i

nari.!'

sube

tanccrr.'

l{BtY-:ury

levr.,lr:

in

the ff

s,;ir

l.ivclt

v;r:r''j

til\

i.\i.:riL.lr

thiiri.ilrogt-,

found

ln

lltr nnrgcl.r':

(iaUtc

t.it).

bLiT

lurrl

pilBrs

i,;,.,:,.r

l)r,l.cyr rilttiltirrll

Ji:irJ. l:;.

''

'

i

Atraly:;ca

of

trace metaln

ln

gi.1.1.s,

liver'

nriri

{r-rnr,r4l

tif fll,c

}.crr.5;e-

moutlt l,litnr;

ft'om

Coffecn

frakc- vre]'e

mnde

llr

il6vemLrr.t"

1i-t'/j,.

Ti:r1,r.e

v:rl.u,-,s;:r.r'

compirre(l

vilth

analyse,':

ol' c'ornpocj

bcti

liyer

$anplei-i

of

fj.::ir coilcctcd,:n

.,

I9?'/ irl Tabl,e

'1-";.

Val,.reg fct.

zinc

are

ailni.klr

in

i;crNli

vear.ri.

Overnll

Biologicel

Asgeefincnt

of Coffeenj,r!,re

.

Coffeen l,ake

ie

pr:e"ietrtl,l'

supportitr6.n

good

fir;irar'.y

for

tlu:rre

ripcciec,

')argemouth

bass,

r'drite

cr.appie R)=id

chiu:rrc,l

eatl'ish:

.'/:Fir.;lrinCoffeenI,akegener,aJ.1yaxhibitpocr'*::ccn<liL1anvlhen.sne1l

th{rtr vrlrcrt

}-arge.

This

is

rurciolrbtedly

thc

resrrlt

of

insuffj.ciell,.forirge

of

siz.es

suj-table

1'or

srrrall

fish.

Exccptiono

to thl;:.;;et"ier.ali:;ation

aiipear

Lo

apply

to those

specles rdrlc)r

are

omnivorousi

or are

1>]-arikton

feerlcrs

$uc.lr

e,o

gizzald

shntl

. Tl'rcse

specics

show uverage growth

througheuL

iircir siz.;

r.an6c.

The

piscivorou$

fishes

such as

lalgcrnouth

bas.q

rurd

rvlribe

crappie

eflribit

gooct

i

to

excellc'nt growth

oncc

they beconte large

enorr6)r

bo

prey

on

gizz.,r,ti

sirlci.

:

Probably

the

greatest

l:lmitirrg

faqtor

to

the fisherj.os

oi

Coffeen

l:ake

1s

the

limited

arnount

of sha]low

water

areas.

dhu upo""uuess

of

ehallow ,uio"

littoral.

al'eas

ia

p:

obably

more cletri-

'

mcntal to the

snal.ler centrarchids,

such as

bluegills;, vdiich

inhrrbj.t

and feed

:upon

benthic

organlsms in shal-low

waters,

tharr to

the

ictalurids.,

which

can

prey

upon a

wide range

of

foo<l sourccn

1n

the

limnctjc,

libtoral.

ru:d

pro-

:fundal

zones. The

poor

condition

noted in

bluegill.;r

and

smallercrappic

fr.orn

Coffeen lake could be

the result

of

the

limited

l-,Lttorel

&reao

ancl

too rnany

fish to

bc supported by

the

food

supply arvailablc

1n

thesc {rreas.

larger.

centrarchids,,suehaSIarggm'utlrbassandtlrelarE1erw}riteclrappic,.wiric}r

ean feed upon

gizzard

shad

and

the

srnaller

centrarohids

appear

to be doing

:

welll

but

they

coultl

aLso

be affected

by

the

limited

littora-l-

ar.crr$

und

crow,letl

sr:.nfish

..--'_,-_-'--_

populations.

',.,-

'

i'.

.{-':t.

'

'::.

1O

---

l:

:.

:I-'

-

I

-

I

I:

i:: ..

-

IrJ

I

:l

I,

.1

.

-l,

.'.t

I

,'

.-.

I

rj.

I

i:

'-

I

I

'1,'

I

I

,.a

:-

','

)

:I

I

:'

l'or'tunately,

ttiorit

of

t]:e

1.1 ttc,rrrl.

rtr.fcri:j

j.n

Cnffcr.,r)

J,ake

are

locst+d

outslde

of

tlic

coolinf,

1oop.

llhr:'nr:rr

Iorlrr.ur:rl vrcijt

oU

tlrc

j-ntakr

$bructul.cr:

tlttr nl'oa

ultntrcrin

fronr

tlte

rnilwsy

br.idge,

rr.ntl l,hc }.lrgcr.

i;rryr.r

ofi

,;h*

r"ir;rin:

liody

of

thc ta.k.c

colttrritl

n

1ar6;e

porccrltt{rf.!(-i

(,i.

thr-

l.iLtorlrl.

irrririL:rL

,-rvli-l.nlilc.

Tlll di*clral'8e

{rrm

has

fevr

largc

baycr. rlril

tiie rrwstiirrler

of

tirt:

cocl.ing Locp.

ir; Largely

cont)oxe(i

of a decp

watcr

(lrrentcl:

bh:-rr,

1il

feeL)

iirufisriJ:rl

zor.rr.'.

Tl:e

r:ltrrtrtrcl

errtf

io)r,

vr)rlclt

ic tlctrrl4 r'1ui

te

well

ili

(lofftien

1,:rke

I

::icr)rsir

particulal'ly

well

suitcd

to

its

morpirological

clrer:actcr-istics,

lJrun

otrser-:.

vattons

in

/rpri}

it appears

this species

r-rnrl

the lar6r-mouth lriiss

ar.e :f'(:?aejv-

ltrg

heavy

fishing

pres$urc.

?his

itcavy

finhin6

pt.es$ur.c

)ras a

oiE;nific:-rnt

lmpact

slllce

no.ttupplemental-

stocking

has

becn

cione

since

thc

ori5innl stoek-

ing done

irr

1964

and

1966.

The

fact

tirr..t

t)rere

are

catclir{ble

populotions

without

supplernental

stockings

iudicates.gootl productiou

cf

theee sport fisires.

'

'Available

data

suggent

that amounts

ar^rd

species'of

uacroinver.tebrates

in Coffeen

l;alte

erre

rlulte

silnilur

to thoec foturd

irr

liangchrls

rrrrd

Newton

l,akesr

and

are

tylicrrt

for

central- rllinois

l.,aker;

gnd

r-cserwoirs.

'

Water

quallty

has altered

riuring

the

life

of ttre lnlre.

Plrurned

rsaste-

n'ater

treahnent

facilities':ncl

$r:btling

of coal

pi)-e

rtmoif

tur<f iml:mvcrl

ash

handli-ng

shoulci

lovter

concentrations

of

total dlsso].ved

solj.d rurd

sulfrrte

reaching

the lal<e.

funounts

of

phytoplan-!<ton

ancl

zooplrrnl,,ton

in

Coffcen

Lakc

iire

siniln-r

tc

tliosc in

Nevrton

and

Sangchrj.s

Lakes.

The

presence

of viabLe fisirery

for'csifislr,

iargenouih:bass,

anii

riirite

':

crappie lndicates

that

trreas

of

Coffeen

Lake

are

suitable

in dissolvetl

orygen,

temperature, ancl

other

requiretnents

neccssary for

repr-rrcluction

autcl growth

gf

these

fishes.

.ii

-,,..

,

:t.";

.

''',:t

:

:=::

. .,'

---

:

,,

:

'

l,iteralurc

Clted

Brooks,

J.L'

195?.

Xhe

$ystcmatlcs

of Nortlr

Arrr:rJcrrr

Daplrnla,

!.lcnroJrs of

thc.councctlcut

Academy

of

Arts 6

sclencce.

vol.

t-1:I-lao.

cnrlnn<ler,

K.D.

1969.

llandbook

of

f

rcshwntcr

f tslrcry bioloJ,,y.

Vol.

l. Io,^,n

Statc

Unlv.

Prcs$,

Amcs,

Iowa.

752

pp

Carlandcr,

K. t).

1953.

llrrndbook

of f

resllrntt,r

f ishcry b{otog1,

,.,i.ch

tht: f irsr

supp)cmcnt.

h'm.

C. llrown

Co.,

Dubuque,

Iowa,

42g

1tp,

clPS.

''

197i.

ThermaJ.

Demonstratron,

cof

f

ecn

l,ower

s[ation, Units

I {,

a.

.

.

Central

I

llinols

Irubl

ic

Scr:vtcc

Companf

Ecology

Consult;lnts,

Inc.

t977.

Ttrtrd

Irrtcrim

Report, I'lcwtorr

Povrcr Station,

Preoperational

MonltorlnB

Program,

Lakc-FitIing

Pliase.

Flemo

reporl

ro

Central

Illinois

PubIic

Servlce

Co. 75

pp.

Gannon,

J.E.

'and

R.S.

Stembcrger.

1975.

Rotl.fer

and crustacean

zooplankton

species

compositlon

and

community

structure

as

warer

quality

lndicators.

26th

Annual

A.IBS

rneetirrll

,

Corrrallis,

Orcgon,

l0

pp

ancl 9 f igures.

rllj.nois

Department

of conservarion.

1963-'i974.

coffeen

Lahe

l'1 le.

rlrinois

Nattrral

llistory

survay,

1974.

Annual

repc.rt for fIscal year

lglh,

Lakc Sangchris

ProJect.

Ittnrco

Illinois

Nalural

llistory

Srrrvcy,

1975.

AnnuaL

report

for

f iscal

year

1975,

Lake Sangchris

Project.

}tlmeo.

Hoyle,'J.8.

1949. Sorne indices

of lake

productivity.

Fislrerles

Society,

762322-334.

U.S.,:'linvi.ronmental.

Protcctlori,

Agency.

1975.

Rcport

orr

Itontgomery County, 111inois.

!;PA

Region

V.

lforking

Transac

tions

Americarr

Cof f

erenl l,ake

.

Papcr

No.

300.

.

ri.'.:'1,'

,r.,.

12

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---

Table

10.

:

1::

CombLned

cntch

of all

fl-rilr

s;amollnl;

Aprt

I 1977

jn

aII

roglorrs,

Cof

feen

l.ake,

Spcc

l r,t;

Hcan

l'lean

lengt.lr

standnrd

(

rnrrr)

o

r ro r'

llean

si

fan<t;r

rd

llearr

ctrror

K,,.,

IL

Ilcan

Num'pcr

st..tu{la

rd

of

error'

fish

ltcnn

wc

i

p-lr

t

(Bm)

Glz.z.rrrl

shCd

:

i

Carp

l

Co l,derr

sh incr

Itlack

bullhcad

YcIlow

bulllread

(ihauucl

cotfislr

Wa

lrnorr

tlr

''

Jji-)

:

Grccn

surr f trih

Oranlie

spot-tcd

sunfislr,

Bltrcgi.l

1

,

.

I

Long,clr:

sunflsh

'a

:

-l

Lerronris

hvb rid

::

:

Largcniotrt[

bas's

White

crappie

0.

869

0.00749

1,090

0.016t9

0.

80

r

0.0965 I

I.153

I.35I

0,03002

0.761

0,0t26g

.:

l.rt9

l

1.266

0,09lil8

0,868

0.105/13

I .

3(r4 0,01r574

1.854

0.0883/r

1.073

-

.

1.413

0.05219

1,002

0.02032

t44

576

l78

26

tl

2t5

303

93

109

62

104

I t6

t2t

360

I89

|

.,4tt

3l .60

4 .37

t2.20

l2

.6I

-l

0

.89

..

2.50

2.ltl

4.70

38. 89

5.22

2B

2

156

44

2?-2

t44

lt}7

1-:',,

9

l6

z

l8

30

l9

790

140

1,.13

309 ,;69

l.

B6

29.

19

6r.28

.

r'.

l2-

0.00

,

I

.'84

3.5r

t82.42

:.

14.57

?.29

o

3

I

t

89

I

I

6

2

80

l3

I

I

6

2t3

23

---

,,,

.

,,

lBble

ll.

Spccles

of

flsh rccordcd from Coffer:n, Slrrp,clrrls

nnd liewton lake.s

-,:.

'

x

x

x

x

l.:rkt:

licw

t.on

Co f

f

oen

'

Satillclr

r I

.5

La)'.e

l,ake

.--]_:

Bow

f

.l.

n,.

(full

S_{.I-y.t)

:

c,!

iz i t.a'

.s

lr a d

(llglggggA

gq[Lq-!,i1-11!tB

)

..'

Ctrro*,

pJ,cl,.ere

l.

(Esox

amcrJ

cnn(rs

vtrrnri

crrlir

t.r.rs)

lnkr'

chtrb

(!"qrg!_'llg

t'_l_,1i!g-U.*.)

Ca rp

(Qyprl_g1.L

*cAIp-Lg)

llorrtylroad

clrub

(!ioqorn_l

s blp,trr-t.tt..us.)

Go I

tl

c n sh i

rro.

(]_l_o*qgqfp33'S.,c_IJ_g

olgqcng-)

[nrn r

a

I

d

s]r I

rr

c r

(

l'io

t

r:.orrj_€.

e!!1efljp_1!-rig.)

St r i

ped

shJ

rrcr

Un!.I*Iil

r

9.!l_uSl_cSil-rn!$-)

Cor*non.

sh

j

ner

(l'lotr'91i

s

S_g.qrr.U!n)

Bi

J',mouth

sh

j

rrer

(liotiolri.s

doqsqlis)

Rcrl striner

(Ngglgp{e

1uIrensis_)

B

lun

.::

t nos c

I

ml

nnor,,

(lflgl,lr

3

lgl

!.q-L!.!Ug.)

,

htlri te, sucker::

(!.a!ggl_g*Irs

comrner-s_<rr11)

.

Cr

e

ck

ch trb

s

rrck e r

(

t'l

rj rty.z. o

n

glflgg-t1-1)

Spotted srrcker

(!!irytr:cma

gglqlql5)

,

Bl.ack.'trrllhearl

(Lctalurtrs

mclas)

Yel low

:

bu lllread

(If-t-o_Lqr.g_.,

na

qa

Ll_s_)

Clr arrne I

ca r

f i sh

(

I

c

ta lrr rtrs pulgtjl_tl1s

)

Bl

a

cks t r

i

p

c t opmi nnow

(.!\lry!t|.f]l-l

nq!-A!rr.s-)

'

Wh i te, tias

s

(!lg1o-11g

gllr.v-,sroag)

I

Yellow

bass

(!!-q5cmtg

nr1jfq1-9;-1-Ug1ggl-9.)

Green

'sunf

ish

(Lepornis

cvanc l

lrrs

)

Wa-rmorr th:

(!gp-q!t

i

s*,g!-19 ur.1q)

x

x

:

I

I

-1,

v.

x

x

x

x

,\

x

x

,.:

X

.,

*,

x'

X:

:x

x

..x

x

x

:x

t

x

x

x

x

x

rT

t;t

r't

/i

'-0rang,e

spott,ed suuflslt

(!glg!U-1

lrrrmj.lis)

lllucgt

ll

(!gng11t-q"

!rgsJ-as.!11lq)

,,

'.',.

':,

Longlar

sunfish

(l,etlornis

!$a-!g!i.:-)

Largemorrtlr

bass

(Microptcrtrs

s:!nroidcs)

trhlt; slspsrie

(Ponroxls

annularls)

.

Johnny.

darter

(gtltg""!-gta

1figru.ll)

Yellow

Derch

(Perca

flavesccns)

.!nrfef":

(s.t,1.??+S49 vitrettm vJ

tr:eum)

Freslrrrater drum

(Aplodinotus

grrrnrricns)

x

24

l9

l8

2l

---

;...4

Table

12.

I

Conccntrctt.ons

of

mcrcttry,

nrsunlc,

I)!)T

and

-llCI]rs

lrr

composltc

t977

Composltc ,

'llg

(ppb)

As

(ppm)

Dl)T

(ppm)

r,Cll's

(ppm)

tllrlte

Crapplc

.

I

h'hlre

Crapple

2

Whlte

Cropple

3

':l''

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TnbIe

13.

ConccntratJons

of

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lg73

,

Compos

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(

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(ppm)

Cu

(

pprn)

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ll

tl

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I

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(

ppm)

(

ppnr)

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I

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ish

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l,argemor,

th

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th

I

2