Section 304.121  Bacteria

a)         Effluents discharged to all general use waters shall not exceed 400 fecal coliforms per 100 ml unless the Illinois Environmental Protection Agency determines that an alternative effluent standard is applicable pursuant to subsection (b).

b)         The Agency shall, as part of the NPDES Permit Program under 35 Ill. Adm. Code 309.Subpart A, determine the applicable standard only in accordance with the requirements of Sections 302.209 and 302.306.

1)         The discharger must demonstrate and document the following:

A)        The character of the receiving waters pursuant to Sections 302.202, 302.209, and 302.306.

B)        The discharge will not cause downstream waters to exceed the applicable fecal coliform water quality standards pursuant to Sections 302.209 and 302.306.

2)         Alternate effluent standards consistent with Sections 302.209 and 302.306 shall be applied on either a year-round or seasonal basis consistent with the documentation provided by the discharger.

(Source:  Amended at 12 Ill. Reg. 12064, effective July 12, 1988)