Illinois Administrative Code
Title 35 - ENVIRONMENTAL PROTECTION
Part 303 - WATER USE DESIGNATIONS AND SITE-SPECIFIC WATER QUALITY STANDARDS
Subpart C - SPECIFIC USE DESIGNATIONS AND SITE SPECIFIC WATER QUALITY STANDARDS
Section 303.449 - Chicago Sanitary and Ship Canal
Universal Citation: 35 IL Admin Code ยง 303.449
Current through Register Vol. 48, No. 38, September 20, 2024
The numeric water quality standards for chloride and Total Dissolved Solids in 35 Ill. Adm. Code 302.407(g) do not apply to the Chicago Sanitary and Ship Canal from December 1 through April 30 for the protection of aquatic organisms. Chloride levels in these waters must meet the numeric water quality standards of 620 mg/L as a chronic water quality standard and 990 mg/L as an acute water quality standard from December 1 through April 30.
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