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    • Watershed monitoring for the Lake Decatur Watershed, 1999-2000.

    • 2002; Big Creek (Upper Sangamon); Big Ditch; Camp Creek (Upper Sangamon); Canal; Friends Creek; Goose Creek (Upper Sangamon); ISWS CR 2002-01; Keefer, Laura and Misganaw Demissie; Long Creek (Upper Sangamon); Nitrates -\- Environmental aspects;...
    • Lake Decatur is the water supply reservoir for the City of Decatur. The reservoir was created in 1922 by constructing a dam to impound the flow of the Sangamon River. The dam was modified in 1956 to increase the maximum capacity of the lake to...
    • Ashland New Lake Watersheds TMDL Stage Three Draft Report

    • 303d List; Ashland; Dissolved Oxygen Impairment; Phosphorus; TMDL; Total Maximum Daily Load; Water Quality Management; Watershed Management; Watersheds
    • This report documents the analysis and findings of stage 1 of the TMDL development for water segments within this watershed. Water quality data are gathered by the IEPA, the US Geological Survey, and the USEPA. Illinois is required to identify...
    • Spring Lake Atrazine Total Maximum Daily Load (TMDL): Draft Report

    • 303d List; Atrazine; Dissolved Oxygen Impairment; EPA; Environmental Protection Agency; Phosphorus; Spring Lake; TMDL; Total Maximum Daily Load; Water Quality Management; Watershed Management; Watersheds
    • This report documents the analysis and findings of stage 1 of the TMDL development for water segments within this watershed. Illinois is required to identify water bodies that do not meet water quality standards and to determine the Total Maximum...
    • Bay Creek Watershed TMDL Stage Three Report

    • 303d List; Bay Creek Watershed; Dissolved Oxygen Impairment; Phosphorus; TMDL; Total Maximum Daily Load; Water Quality Management; Watershed Management; Watersheds
    • This report documents the analysis and findings of stage 1 of the TMDL development for water segments within this watershed. Water quality data are gathered by the IEPA, the US Geological Survey, and the USEPA. Illinois is required to identify...
    • Quarterly Report 1: Beaucoup Creek Watershed

    • 303d List; Beaucoup Creek Watershed; Dissolved Oxygen Impairment; Phosphorus; TMDL; Total Maximum Daily Load; Water Quality Management; Watershed Management; Watersheds
    • This is first in a series of quarterly reports to provide an update of Total Maximum Daily Load (TMDL) development in the Beaucoup Creek Watershed. The Illinois Environmental Protection Agency (IEPA) is responsible for TMDL development and has...
    • Quarterly Report 2: Beaucoup Creek Watershed

    • 303d List; Beaucoup Creek Watershed; Dissolved Oxygen Impairment; Phosphorus; TMDL; Total Maximum Daily Load; Water Quality Management; Watershed Management; Watersheds
    • This is second in a series of quarterly reports to provide an update of Total Maximum Daily Load (TMDL) development in the Beaucoup Creek Watershed. The Illinois Environmental Protection Agency (Illinois EPA) is responsible for TMDL development and...
    • Quarterly Report 3: Beaucoup Creek Watershed

    • 303d List; Beaucoup Creek Watershed; Dissolved Oxygen Impairment; Phosphorus; TMDL; Total Maximum Daily Load; Water Quality Management; Watershed Management; Watersheds
    • This is third in a series of quarterly reports to provide an update of Total Maximum Daily Load (TMDL) development in the Beaucoup Creek Watershed. The Illinois Environmental Protection Agency (Illinois EPA) is responsible for TMDL development and...
    • Quarterly Report 4: Beaucoup Creek Watershed

    • 303d List; Beaucoup Creek Watershed; Dissolved Oxygen Impairment; Phosphorus; TMDL; Total Maximum Daily Load; Water Quality Management; Watershed Management; Watersheds
    • This is fourth in a series of quarterly reports to provide an update of Total Maximum Daily Load (TMDL) development in the Beaucoup Creek Watershed. The Illinois Environmental Protection Agency (Illinois EPA) is responsible for TMDL development and...
    • Total Maximum Daily Load Development for Beaucoup Creek Watershed

    • 303d List; Beaucoup Creek Watershed; Dissolved Oxygen Impairment; Phosphorus; TMDL; Total Maximum Daily Load; Water Quality Management; Watershed Management; Watersheds
    • This report documents the analysis and findings of stage 1 of the TMDL development for water segments within this watershed. Water quality data are gathered by the IEPA, the US Geological Survey, and the USEPA. Illinois is required to identify...
    • Total Maximum Daily Load Development for Big Muddy River #1 Watershed

    • 303d List; Big Muddy River; Dissolved Oxygen Impairment; Phosphorus; TMDL; Total Maximum Daily Load; Water Quality Management; Watershed Management; Watersheds
    • This report documents the analysis and findings of stage 1 of the TMDL development for water segments within this watershed. Water quality data are gathered by the IEPA, the US Geological Survey, and the USEPA. Illinois is required to identify...
    • Quarterly Report 1: Big Muddy River #1 Watershed

    • 303d List; Big Muddy River; Dissolved Oxygen Impairment; Phosphorus; TMDL; Total Maximum Daily Load; Water Quality Management; Watershed Management; Watersheds
    • This is first in a series of quarterly reports to provide an update of Total Maximum Daily Load (TMDL) development in the Big Muddy River #1 Watershed. The Illinois Environmental Protection Agency (IEPA) is responsible for TMDL development and has...
    • Quarterly Report 2: Big Muddy River #2 Watershed

    • 303d List; Big Muddy River; Dissolved Oxygen Impairment; Phosphorus; TMDL; Total Maximum Daily Load; Water Quality Management; Watershed Management; Watersheds
    • This is second in a series of quarterly reports to provide an update of Total Maximum Daily Load (TMDL) development in the Big Muddy River #2 Watershed. The Illinois Environmental Protection Agency (Illinois EPA) is responsible for TMDL development...
    • Quarterly Report 3: Big Muddy River #2 Watershed

    • 303d List; Big Muddy River; Dissolved Oxygen Impairment; Phosphorus; TMDL; Total Maximum Daily Load; Water Quality Management; Watershed Management; Watersheds
    • This is third in a series of quarterly reports to provide an update of Total Maximum Daily Load (TMDL) development in the Big Muddy River #2 Watershed. The Illinois Environmental Protection Agency (Illinois EPA) is responsible for TMDL development...
    • Quarterly Report 4: Big Muddy River #2 Watershed

    • 303d List; Big Muddy River; Dissolved Oxygen Impairment; Phosphorus; TMDL; Total Maximum Daily Load; Water Quality Management; Watershed Management; Watersheds
    • During this quarter, the Illinois EPA changed its policy regarding developing TMDLs for parameters that do no have numeric water quality standards. The constituents without numeric water quality standards will be listed for causing impairment but...
    • Quarterly Report 2: Big Muddy River #1 Watershed

    • 303d List; Big Muddy River; Dissolved Oxygen Impairment; Phosphorus; TMDL; Total Maximum Daily Load; Water Quality Management; Watershed Management; Watersheds
    • This is second in a series of quarterly reports to provide an update of Total Maximum Daily Load (TMDL) development in the Big Muddy River #1 Watershed. The Illinois Environmental Protection Agency (Illinois EPA) is responsible for TMDL development...
    • Lake Bloomington Watershed TMDL Implementation Plan: Public Review Draft

    • 303d List; Bloomington, Illinois; Dissolved Oxygen Impairment; Lake Bloomington; McLean County; Phosphorus; TMDL; Total Maximum Daily Load; Water Quality Management; Watershed Management; Watersheds
    • This report documents the analysis and findings of stage 1 of the TMDL development for water segments within this watershed. Water quality data are gathered by the IEPA, the US Geological Survey, and the USEPA. Illinois is required to identify...
    • Lake Bloomington Watershed TMDL Stage 3 Public Draft Report

    • 303d List; Bloomington, Illinois; Dissolved Oxygen Impairment; Lake Bloomington; McLean County; Phosphorus; TMDL; Total Maximum Daily Load; Water Quality Management; Watershed Management; Watersheds
    • This report documents the analysis and findings of stage 1 of the TMDL development for water segments within this watershed. Water quality data are gathered by the IEPA, the US Geological Survey, and the USEPA. Illinois is required to identify...

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