Illinois Administrative Code
Title 35 - ENVIRONMENTAL PROTECTION
Part 304 - EFFLUENT STANDARDS
Subpart A - GENERAL EFFLUENT STANDARDS
Section 304.121 - Bacteria
Universal Citation: 35 IL Admin Code ยง 304.121
Current through Register Vol. 48, No. 38, September 20, 2024
a) Effluents discharged to all general use waters must not exceed 400 fecal coliforms per 100 ml unless the Illinois Environmental Protection Agency determines that an alternative effluent standard is applicable under subsection (b).
b) The Agency must, as part of the NPDES Permit Program under 35 Ill. Adm. Code 309.Subpart A, determine the applicable standard only in compliance with the requirements of 35 Ill. Adm. Code 302.209 and 302.306.
1) The discharger must demonstrate and
document the following:
A) The character of
the receiving waters under 35 Ill. Adm. Code
302.202, 302.209, and
302.306.
B) The discharge will not
cause downstream waters to exceed the applicable fecal coliform water quality
standards under 35 Ill. Adm. Code
302.209 and
302.306.
2) Alternate
effluent standards consistent with 35 Ill. Adm. Code
302.209 and
302.306 must be applied on
either a year-round or seasonal basis consistent with the documentation
provided by the discharger.
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