35 Ill. Adm. Code 302.508
Thermal Standards for Sources Under Construction But Not In Operation on January 1, 1971
Section 302
Section 302.508Â Thermal
Standards for Sources Under Construction But Not In Operation on January 1,
1971
Any effluent source under
construction but not in operation on January 1, 1971, must meet all the
requirements of Section 302.507 and must meet the following restrictions:
a)Â Â Â Â Â Â Â Â The bottom, the shore, the hypolimnion, and the thermocline must
not be affected by any heated effluent.
b)Â Â Â Â Â Â Â Â Heated effluent must not affect spawning grounds or fish
migration routes.
c)Â Â Â Â Â Â Â Â Discharge structures must be designed to maximize short-term
mixing and thus to reduce the area significantly raised in temperature.
d)Â Â Â Â Â Â Â Â Discharge must not exceed ambient temperatures by more than 11
ºC (20 ºF).
e)Â Â Â Â Â Â Â Â Heated effluents from more than one source must not interact.
f)Â Â Â Â Â Â Â Â All reasonable steps must be taken to reduce the number of
organisms drawn into or against the intakes.