Section 303.323  Sugar Creek and Its Unnamed Tributary

a)         This Section applies only to Sugar Creek and its unnamed tributary from the point at which Marathon Oil Company's outfall 001 discharges into the unnamed tributary to the confluence of Sugar Creek and the Wabash River.

b)         35 Ill. Adm. Code 304.105 does not apply to total dissolved solids and chlorides discharged by Marathon Oil Company's outfall 001 if both of the following conditions are met:

1)         Effluent from Marathon Oil Company's outfall 001 does not exceed either 3,000 mg/L total dissolved solids or 1,000 mg/L chlorides, and

2)         The water in the unnamed tributary does not exceed 2,000 mg/L total dissolved solids or 750 mg/L chlorides.

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