The thermal discharge to Lake Sangchris must meet the following standards and conditions: The effluent temperature must not exceed 37 ºC (99 ºF) during more than 7% of the hours in the 12-month period ending with any month and must not exceed 44 ºC (111 ºF).

(Source: Amended at 47 Ill. Reg. 4575, effective March 23, 2023)