ILLINOIS POLLUTION CONTROL BOARD

September

4,

1980

ILLINOIS POWER COMPANY,

Petitioner,

v

)

PCB 80—143

ILLINOIS ENVIRONMENTAL PROTECTION

AGENCY,

Respondent.

ORDER OF THE

BOARD

(by

I.

Goodman):

The petition of Illinois Power Company, Soyland Power

Cooperative,

Inc.

and Western Illinois Power Cooperative,

Inc.

filed August

7,

1980 is accepted by the Board as

a regulatory

proposal.

The docket 80—143 is ordered dismissed and the

contents redocketed as “R80—17.”

Petitioners seek to amend the effluent temperature limitations

for Lake Clinton discharges set out in Rule 203(i)(11)(aa)

of the

Board’s Water Pollution Control Rules and Regulations by adding a

daily average temperature limitation of 99°Fup to 12

of the

time and an absolute maximum of 108.3°Fduring periods when

only one generating unit is operating at Clinton Power Station.

Under Rule 203(i)(10)(dd), petitioners may at a regulatory

hearing

(as opposed to a hearing upon a variance petition) choose

two methods of showing the environmental acceptability of effluent

to artificial cooling lakes.

One

is to produce an acceptable

environmental impact statement

(or assessments used in the

preparation thereof) and another

is a showing under §316(a)

of the

Clean Water Act

(33 U~.S.C. §1251, et ~j.

The Board finds that, because of the nature of the showing

required by Petitioners under Rule 203(i)(10)(cc) no statewide

economic impact study need be prepared by the Illinois Institute

for Natural Resources.

The nature of the showing necessarily

includes an analysis of economic impact

(see Rule 203(i)(1O)(dd)).

The Board hereby waives the requirement of 200 citizen signatures

and orders the petition to be set for hearing as soon as possible.

IT IS SO ORDERED.

---

—2—

I, Christan L, Moffett,

Clerk of the Illinois Pollution

Control Board, hereby ce tif

that the above Order was adopted

on the

LI~

day ~

1980 by a vote of

____

Illinois Polluti