May 5, 2004 - The Illinois Pollution Control Board is considering a proposal to amend the Board’s rule establishing general use water quality standards for dissolved oxygen (35 Ill. Adm. Code 302.206). On April 19, 2004, the Illinois Association of Wastewater Agencies (IAWA) filed a rulemaking proposal entitled Proposed Amendments To Dissolved Oxygen Standard 35 Ill. Adm. Code 302.206, which the Board has docketed as R04-25.
Board Considers Proposed Amendments to General Use Water Quality Standards for
Dissolved OxygenThe Illinois Pollution Control Board is considering a proposal to amend the Board’s ruleestablishing general use water quality standards for dissolved oxygen (35 Ill.
Adm.
Code 302.206, which the Board has docketed as R04-25.
IAWA asserts that these standards are too restrictive.
IAWA proposes amending
the rule so that during the months of July through February, dissolved oxygen must not be lessthan a one-day minimum concentration of 3.5 mg/L, and a seven-day mean minimum of 4.0mg/L, and that during the months of March through June, dissolved oxygen must not be less thana one-day...
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