Total Maximum Daily Load, Sphaerotilus natans, Mississippi River, Beaver Slough, Clinton County Iowa, 2010

(2010) Total Maximum Daily Load, Sphaerotilus natans, Mississippi River, Beaver Slough, Clinton County Iowa, 2010. Natural Resources, Department of

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Abstract

This Mississippi River Total Maximum Daily Load (TMDL) for Sphaerotilus natans (addressing an organic enrichment impairment) is being established in accordance with Section 303(d) of the Clean Water Act (CWA) which requires a TMDL for each water body on a state's Section 303(d) list of impaired waters (303(d) List) and in accordance with requirements of Section 303 of the CWA, Water Quality Planning and Management Regulations (40 Code of Federal Regulations (CFR) Part 130), and United States Environmental Protection Agency (EPA) guidance. To meet the Mississippi Pools milestones of the 2001 Consent Decree, Sailors, Inc., Mississippi River Revival and Sierra Club v. EPA, No. 98-134-MJM, EPA is establishing this TMDL. The Mississippi River (IA 01-NEM-0010_4) is included in the Consent Decree because it was on the Iowa 1998 303(d) list due to an organic enrichment impairment that exceeded Iowa's Water Quality Standards (WQS).