Ill. Admin. Code tit. 35, § 302.503 - pH

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pH must be within the range of 7.0 to 9.0, except due to natural causes, in the Open Waters of Lake Michigan as defined at Section 302.501. Other waters of the Basin must be within the range of 6.5 to 9.0 except due to natural causes.

Notes

Ill. Admin. Code tit. 35, § 302.503

Amended at 23 Ill. Reg. 11249, effective August 26, 1999

Amended at 47 Ill. Reg. 4437, effective 3/23/2023

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