Section 302.306  Fecal Coliform

Notwithstanding the provisions of Section 302.209, at no time shall the geometric mean, based on a minimum of five samples taken within a 30-day period, of fecal coliform exceed 2000 per 100 ml.

(Source:  Amended at 47 Ill. Reg. 4437, effective March 23, 2023)