Ill. Admin. Code tit. 35, § 301.441 - Water Quality Based Effluent Limitation
"Water Quality Based Effluent Limitation" or "WQBEL" is a limit imposed in a permit so that the applicable water quality standard, criteria or value is not exceeded outside of a designated mixing zone.
Notes
Added at 23 Ill. Reg. 11277, effective August 26, 1999
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