Illinois Administrative Code
Title 35 - ENVIRONMENTAL PROTECTION
Part 406 - MINE WASTE EFFLUENT AND WATER QUALITY STANDARDS
Subpart A - EFFLUENT STANDARDS
Section 406.104 - Dilution

Universal Citation: 35 IL Admin Code ยง 406.104

Current through Register Vol. 48, No. 38, September 20, 2024

a) Dilution of an effluent from a treatment works or from any wastewater source is not acceptable as a wastewater treatment method to meet the effluent standards in this Subpart D. Rather, any person discharging contaminants to the waters of the State must provide the best degree of wastewater treatment consistent with technological feasibility, economic reasonableness, and sound engineering judgment.

b) When determining the best degree of treatment under this Section, the following will be considered:

1) The degree of waste reduction that can be achieved by process change, improved housekeeping, and recovery of individual waste components for reuse; and

2) Whether individual process wastewater streams should be segregated or combined.

c) Concentrations measured for determining compliance with Section 406.106 must be recomputed to exclude the effect of any dilution that is improper under this Section.

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