November 21, 2013 - On November 21, 2013, the Pollution Control Board adopted aquatic life use designations in the rulemaking docketed as In the Matter of: Water Quality Standards and Effluent Limitations for the Chicago Area Waterway System and Lower Des Plaines River: Proposed Amendments to 35 Ill. Adm. Code 301, 302, 303, and 304 (R08-9C). The Board adopted an Upper Dresden Island Pool (UDIP) aquatic life use designation rather than designating UDIP as General use. The Board continues to believe that UDIP is not impacted by the Use Attainability Analysis (UAA) Factors, and that the Clean Water Act (CWA) goal of fishable is attainable in the UDIP.
Board Adopts Second Notice Aquatic Life Use Designations for the Chicago Area
Waterways System and Lower Des Plaines RiverOn November 21, 2013, the Pollution Control Board adopted aquatic life use designations in therulemaking docketed as In the Matter of: Water Quality Standards and Effluent Limitations forthe Chicago Area Waterway System and Lower Des Plaines River: Proposed Amendments to 35Ill.
Upper Dresden Island Pool Aquatic Life Use Waters are capable of maintaining aquatic-life
populations consisting of individuals of tolerant, moderately tolerant, and intolerant types thatare adaptive to the unique flow conditions necessary to maintain navigational use and upstreamflood c...
Allowed
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