ILLINOIS POLLUTION CONTROL BOARD

August

14,

1975

IN

THE

MATTER

OF

WATER

QUALITY AND EFFLUENT

)

R75-2

STANDARDS AMENDMENTS,

)

COOLING LAKES

ORDER OF THE BOARD

(by Mr.

Zeitlin):

ORDER

The following new Regulations are hereby adopted as

part of Chapter

3:

Water Pollution, and the existing Regulations

of Chapter

3 amended in conformity therewith:

Rule

104, Definitions

Add:

Rule

104:

“Artificial Cooling Lake” means any manmade lake,

reservoir or other impoundment,

constructed by

damming the flow of a stream, which

is used to

cool the water discharged from the condensers

of a steam-electric generating plant for recirculation

in substantial part to the condensers.

Rule 203(i),

Temperature; Add:

Rule 203 (i) (10):

All effluents to an artificial cooling

lake must comply with the applicable

provisions of the thermal water quality

standards

as set forth in Rule 203(i),

except when all of the following requirements

are met:

(aa)

All discharges from the artificial cooling lake

to other waters of the state comply with the

applicable provisions of Rule 203(i) (1—4)

(bb)

The heated effluent

discharged to the artificial

cooling lake complies with all other applicable

provisions of this Chapter, except Rule 203(i) (1-4).

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381

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(cc) At a regulatory hearing, the discharger shall

satisfactorily demonstrate to the Board that the

artificial cooling lake receiving the heated

effluent will be environmentally acceptable, and

within the intent of the Act,

including, but not

limited to:

(I)

provision of conditions capable of

supporting shellfish,

fish, and wildlife,

and recreational uses consistent with

good management practices,

and

(2)

control of the thermal component of the

discharger’s effluent by a technologically

feasible and economically reasonable

method.

(dd) The required showing

in Rule 203 (i) (10) (cc) may

take the form of an acceptable final environmental

impact statement or pertinent provisions of

environmental assessments used in the preparation

of the final environmental impact statement,

or

may take the form of a showing pursuant to

§316 (a)

of the FWPCA, which addresses the requirements of

Rule 203(i) (10) (cc)

(ee)

If

an adequate showing as provided in Rule 203(i) (10) (cc)i~

found,

the Board shall promulgate specific thermal

standards

to be applied to the discharge to that

artificial cooling lake.

Rule 203(i) (11)

:

Exceptions

to Rule 203(i)

(aa)

Lake Clinton:

The thermal discharge to Lake Clinton shall meet

the following standards and conditions:

(1)

The effluent temperature shall not exceed 96°F.

(2)

All conditions adopted by Board Order in

PCB 75—31

(July

31,

1975)

IT

IS SO ORDERED.

I,

Christan L.

Moffett, Clerk of the Illinois Pollution

Control Board,

hereby certify the above Order

as adopted on

the

~

day of

_______,

1975 by a vote of

-~

Illinois Pollution

ard

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