CLtl .\.

S.nliDt

{lalcr I L Nm}np

Pbilip li.

Hemr

(lrcp

\t'.

t:ullo

Tbmr

1,.

Cx+hnr,

FciA

\'-

Rcilly

Rhbrrd

P.. I lrn

t*tlliro

5

llenlcl

R.

(llnH

Brrtir

Sttpten-..1.

'l'196

\liclrrtl

A.

lrtlrrr

(i.

Clrrl Crrornr

Crry

I) ,*f,ruu

t}#l

D'

Nd

Rertorrc

Sorling.

Northrup.

I Innna.

(lullc'n

nnrl

Clochrnn,

l.lrl.

,\ttotnt'r'c ct

l,nu

a1o

lllinr,rr

Rurl,lrn6

Springfichl,

Jllin('t6

ri?7(ll

.\.(d

{

rrlc .'l,

lrklJrant

311'lt{l

li ;r1' 2

6, 1 1)?

-i

I

1

9,rlrrr.

(rro

rnrl I Lr.!.n

tzlf

it:'

Jl

llrr

i.rtr*r-.Jr

t'i | |

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lrhn

ll llrnl,n

a_rr

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:.,,.t't"i,J{

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t

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t,.;

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lliss Cltrisl:rn L. l\loffctt

ft$tl-

t58

Clcrk, l)ollution Cuntrol lloarri

ll09 \\:est \\'aslrington

Sitrcc:t

Clricago, Illinois

60606

Dczrr

l\liss

i\loffctt:

l:)nclosed

al'c

an

original an(l

nillo

copi()s of l)etit.jon

of

Centr;rl lllinois

Public

Servjr:e

(

or:rpun1' for a

llcgulatol',l.i llearirrg

contenrplatcrl

by

ltuls

39jlflllQl-(ricL

Chlptcr'

lJ, l?ules

iuxl !lcgu-

lations,

Illinois

Pollutiott

Conlrol lloarrl.

'l'ett

('opies

of

lltr'

(l

cmonstratiotr

(cotrsisting

o{' ovcl

l}00

;lagc's)

at'c lrt'itrg

rr):lil

(}(l

scparatcly.

C-'cntral

Illinois l)ttl;lic

Scrvjcc

('otnpruty's

c:otlsttl tattt is

preselttly

prcpar"ing

an

Acldendul'r'l

to

Sc'r:tion

B

rrf

tlre

rlclnonstr':rtion,

ancl this

will

l:e lrlailed to tltt:

Iloarrl

atr<l

tltc

Agcncl'tls

s()ott irs

it

i

s a'vailabl

t-'.

Yours

trul;',

.

l/

-,'i;,

I

"1

-

i

r.

'

1'houras

1,.

(lochr':rrr

tlc:pmy

etlcl osu l'es

,'i.

---

ii:

$:

rt'

.

:

t:

It

r:.'

_t.l

r.

9r

[r:

.*

aa

I

i,

i.i

;l

t'

r:i

tj

i:.

x

t.

cI.:N'rnAL

Il.t

lN()ts

I,t:tit t('

st,;il\'t('t,

(l()lll)r\N\',

I)ctitionr-:r',

vs,

ll,l.ln*ols

P()l,t.u'l't()N

('()N't'n(

)l

B()ir

HI).

l'('lJ Nt.r.

l)I:l'l'l'l'I()N

l)0lt ll

t.;(il.:t..^'l'( )rlY

II

lr.lllI\G

t-Nl)liR

RULIT 203(i)(10)(cc),

('ll;\l)'f

lilt :i,

IlUI.l:ls

ANI)

R

l':(;1".

l.A'l'l()N-s,

II.l IN()lS

Ir()l.l.Ll]'toN

(:oN't'R()1.

IJ(.)r\

Iit

)

Now

cotnes

Centrai

Illinois I)ublic

Scrvir:c

(

olnpatrl',

an Illinois

corporation

(hereinafter

called

"C:Il,-q"),

atrcl

for

it.s

nctili<-lrr

lrcr.cjn

states

as follovrs:

l. Petitioltel

is an Illinois public

utili

;'

prorlucing

anr:l

selling

electricity

in

the

State

of

illinois.

2, CII)S

has

a pow'er station

locatccl

rrcar'(

offr:err,

lilirrois,

in

tr'lclntgontery

Couttty,

Il)inois,

rvhich has tu,cl

r:oal-f'irerl

cy<:lgrrl

Soiler.s

supplying

steanr

to tr,ro

turbittc

generatclr

trnits rvith

a

total

capalrilitt'cll

045,000 l<ilowatts.

3.

CiPti

constructecl

ancl cotnplctcrl

irr I965

a

1al<c.

on

pr.opcrty

owned

by

CiIPS

acljaccnt t<-r its Coffeen

statiotr

to

ltrovidc

that

stcar;-

electr:ic

gencrating

facility

rvil,h

cooling

water' for

its ttrrbino

condenseps.

4. On

or altout

l"ebrttary

21,

1977,

pctitionc.r.

I'ilecl

an

applica-

ticn to reactivatc a

wastewater trcatnrent

u'crrhs opcrating

per.rrrit

in

connection

with

its Coffeen

f)ower

Statiorr.

---

5. I)ctltiottct'

has

cotrrpil

or.l <lata

and

irrf

orrnation suflicicnt

tr:

rienronstratc

to thc

lloar'd

that

its artificial,

nrarr-rnarle

cooling

lakc at

Coffr:cn

is

ancl

will continue

to be

environrncrrtally

ac<:cprrrblr:

r,,'j'Llrirr

tlrc

nteaning

and

intent

of

Iiulc

203(i)(t0)

if a rcgulatiorr

is nrlopterl cstablislr-

ing

petitionert$

requestecl

tlrc'rnral

startdarrl.

6.

Attachecl

hareto

as

I'lxhibit

1

is

thc introrltrction

to sairl

tlentotrstr.atiott.

'['en

copies

of saicl

denronsl.r.ation

are

ltci:rg

rrrailerl

to thc

lloard

uncler

separate

covcr.

7, Petitioner

proposes

and

t-equests

thc

l.r'onrd

to cstablislr

a

specific

tlrermal

standarcl

for its Cofl'ecn

l.alic

srrch

that

under

typical

operating

conclitions,

as definecl

in the

aforesaicl

clenropsi,rirtion,

t[e

temperattlre

nleasurecl

at the

otrtsir:le eclge

ol'thc ntixing

zone

in Coffeerr

Lake

shall not exceecl

9BoF

cluring

ntore

than B.

Zoi,

of

tlre

ltours

irr the

l2-nrt'rnl;h periocl

cnding

with

any

nronth

ancl shall

at

no

timc cxceecl

l08o

Ii.

Attachecl

hereto

as llxhibit

2

is a copy

of the

pr"oposc.cl

regulations

pcr-

taining to such

thermal

stanclar.cl.

B.

Since

1965

there

has been

no

evic'lcnce

dcveloperl

known

to

CIPS

sttowing

that its Coffeen l,ake

has

notbeen

and

is

not now

environ-

mentally

acceptable.

9.

The

alternatives

to the above proposecl

regulation

are

the

abandonnrent

of

the

largest

power

plant

in the cIPs

systc'rn

or

ilre

installation

of

cooling towers.

The

tr"emenr.lous

adclitional

capitirl

alcl

'i.'.:

-2-

---

operating

costs

rasulting frorrr

the use of cooling

tou'r:rs arc shov..rr

in the

CIPS

cl entonstration

nrerrtionecl

abr,rve.

CFIN'l'lir\l

Il.l

IN()15 J,lrlll

It'SIftt\;l( I.l

(.ot\lIrn

NY

I3y

Sorl

anrl

ing,

Northrup,

Ilanna,

(.ullen

Coclrran, l-trl.,

ils

r\ttorncys

Sorling,

Northrup,

I{anna,

ancl Cochran,

I-tcl

.

820

Illinois Ruilding

Springfield,

Illinois

62?01

Telephone

(217)

544-1144

Cullen

'.:,.

-3-

---

I N'l'

II

()l)

il

(l'l'I(

)n*

l. I:'urposc

oj

I)gnronstratioll.

'l'lrc

Illinriis l)ollrrtiotr

('orrtlr'rl

fJoarcl

has

promulgatc<J

t'egtr'l ations which r:^stabii-^h

gt,nr:ral

thr:r'rrrrrl

watcr

quality

stanclarrls applicab)e

to nil

\',,aters

ol llre

lilatc.

'l'l:cr

regulations

provide,

ltclwever,

tlrat

if a

rlischzirgc'r

is

rrltlc

to

(l(.:tlt{)l)-

stratc

satistactorily

to the

lloard

that at'r

artificial

coolilrg lakc, althouglr

receiving

a heated cl')uent,

is enr"ironrnentally ac,:ceptal:lc,

the

lloanl

nray

establish

specific ther-nral

water

qu:rlily

stanrlarrl.-.r for ltrc artificial

cooling

lake.

1'he

environnrentErlly

acceptable evrrluation

inclurles

examination

of

the

artificial coolinq lal<e's:

(1)

capal:ility

ior supporting

shellfish,

fish anc!

vrildlife;

(2)

capability

for

recrcatiorral

uses;

ancl

(3)

technol.ogically

feasible

ancl econonrically rcasonable rnethr:rls

lor con-

trolling the

thermal component

of

the clischargers

effluerrt.

The ecological,

technological ancl economic

inforntation

pr"ovidecl

herein demonstrates

that Colfeen

I-,ake,

an artificial

cooling

lalie,

is

presently and

will

continue to be environmentally

acceptable.

'Ihis

document

is,

therefore,

intendecl

to be

the basis

of

1,he

ljoarcl's

estab-

lishing

the speci{ic

therrnal standa..ls

reqrrested

by Central

Illinois

Public

Service

(CIPS)

ConrBany

as

the applicable

tlrorrnal

starr<larcls

lor

Coifeen

]-ake.

2.

llequested

'I'hermal

Standards. Central

illinois

l)ublic

Service

(CIPS)

Company

requests the Illinois Pollution

Ccntrol

Boar{

Exlfbit

I

---

?rl::

to estalllish

a specific

thcrnral

stnnclarrl

for'

('offr:en

l,ake

suclr

t[at

uncler

typical

opcrating

cottditiorrs

thr-' tcnrprrl.rrturc

li--t.irst;rcrl

at tlrc

outsiclc

cdge

of the

ntixirtg zone

in

Coffr:on

l,akc

slrnli

nol cxeecvi

:lli.)

l.'

cluring

mo!'c

than

B.2oio

of

the

lrours

irr

i.lrcr

l2-r:rolrtlr pcricxl

errrlirrg x"itlr

any tnontlr

ancl

sltall

at tro

time

exceetl l08o

l.'.

'l'his

request

is }asefi

on typical

actrtal

operating

conditions

experient:ecl

al

C

ot'fcen

Powel

Station

fronr

lg65

througlr

l9?6.

'I'he

tenrpet'atrlre

of lhe conrlenser

cooling

water is continuousl.y

rnonitorerl

near

the

itutsicle

erlge

of'the

nrixing zone

ancl the resuits

arL:

pcl.ntancnily

retainerl

.

3. Overview

of

C)rAanization

of

Denronstrat.ion.

Infornratiorr

included

in this

thernral

denrclnstt'a'Lion

is

organizecl

to allow

tlrc reacler

to assess:

(l)

Coffeen

rrower

Station

anri

its

(icnelation

IIistor.y;

(2)

coffeen

I.,ake;

(3)

Ilationalc'

for: tlcqucstecl

'.fcrnperaturc

l,irrritatiop;

(4)

Deterrnination

of

l.lcological

Inrpact;

{5)

'I'echnical

r,'casibility

ancl

llconornic

Reasonel-.-ler!e^ss

of

Coffecrr

l,,ake;

arrd

(6)

li'uturc.

\tsf

astcrvater-

Ilffluent

Controls

at

Coffeen Fower

Station.

'rhe

infonnation

assembled for

the

purposes

of this

clenron-

stration

encompass

all

of

the available

informatiorr pertaining

to Coffeen

[,ake since

its

inception

as

a

cooling

lake in

lg6b

trntil

the present.

4. General

Description

o.f

Plant.

Lake

coffcen

was for.rued

by

placing

a dam

across the

rnouth

oll

i\ilcDavid

llranch

of the

lLasi

li'ork

of

shoal

creek

at

a

point

apprcximately

three

nriles clir.ecily

souilr

ol'

coffeen, Illinois. 'rhe site

encornpasses

about

3,

200

acr:e.B

of lancl,

---

ar

\ynisn

$lFraKimfrtcty

l,

1qq

m,l-r.s

is osr_uDirrl

\r) tba

horsus\roo

shapecl

Coffecn I.akc

having

a

spillv;ay elr-'t'atiorr

of Sg0 fr:et.

Planning

for

(.'offeen

P<;wcr

Statiorr

bc:gan

in

lSDtj.

C.onr;tluctipn

started

in

1962

ar<l

thc

350,000

li\\i

Unit No.

I

rqe:rt irrt6 sc:f

ice

ip

l$65.

A

second

unit

of 595,000 l(\\'

was

placccl

irr

scr.vice

in lg?2

giving

ilrc

station

a

total

gcnerating

capacity

of 9.15,000 li\\'.

At

this ratc

of

g4b

Gross

l\iegawatts,

a

maxintulll

of

4,3?5

x 106

I],J'L)/llr.

of waste heat

is

clissipated. l.loth

units I

ancl 2 have

two

cilculating

v,'ater

punrps

each

with a

flow

rate

of

163.2

cfs

and 28I.

B cfs respectively. r\fter

passing

through

the

condenser,

tlie cooling

water is clischargecl

into the

Lake

via

a

l7 foot

dianreter

discharge

pipe

which enrpties

into

an

open

flunre.

'Ihe

total

lcngth

fronr

the intake

structure

to the

discharge str.ucture

inlo

Coffeen

l-ake

is

approximately

4,038 feet.

l'he

circulatiorr

path

h:orn

the disclrar-ge

structure

to

the intake

structure

is

about 4. I

n-riles. rhe

circulation pattern

for

the

cooling

water

in the lake

is in

a

clockwise

dir.ection.

,.;t!;tl,a:.:

;i

---

s\tj.: l

':jli.:

I I .t .IN()IS

I)()LLt!'t.l()N

cc)N

1'llot .

jt()A

lil)

tt)1 ?

IN

'l'llE

n,ln

T'I'lilt

()I'

\\'n.l'lr)R

(.)t-iAl,I.l'\'

)

nNl)

[:liF].IiI:lN'I'S'fANl)n

ltl)S AillI:,'Nl)--

)

I)C ll

No.

1\,11:lN',f

S,

COOI.INC;

l.AtiIiS

)

ori jJpIt

'l'lre

following

new Rcgulation

is hereby

adol

tcrl

as

part

of

chapter

3: \\tater

Poliution,

ancl

the

existirrg I?egulatiorrs

of chap-

ter 3

amended

in conformity

thercwith:

llute

203(i)(

t0):

(ee)

(l)

Cof'fecn

l.,ake.:

'Ihe

therrlal

dischargc

to

Coffeerr

La'ne

unclcr

typical

operating

conclitions

sl'rall

rrot result

in

a temperatur.e

nleasurecl

at

the

outside

eclge

of

the

mixing

zone

in

Coffeen

l,ake

to

exceed

g8o

F

ciuring

irrore

than B. 2o/o

of tire

hours

in the

l2-rnonth

per.iocl

ending

with any rnonth,

ancl

shall

at

no

time

exceed

l08o F.

Llhibit

2