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  • All fields: Dissolved
(1098 results)



Display: 20

    • Watershed monitoring for the Lake Decatur watershed, 1998-1999

    • 2000; Big Creek (Upper Sangamon); Big Ditch; Camp Creek (Upper Sangamon); Canal; Friends Creek; Goose Creek (Upper Sangamon); ISWS CR 2000-06; 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 with an original water volume of 20,000 acre-feet and an area of 4.4 square miles....
    • Sidestream elevated pool aeration (SEPA) stations: effects on in-stream dissolved oxygen

    • 2000; Butts, Thomas A., Dana B. Shackleford, and Thomas R. Bergerhouse; ISWS CR 2000-02; Reservoir; Water -\- Aeration; Water -\- Dissolved oxygen; Waterloo Reservoir (ISWS - Monroe County)
    • As a result of increased pollutant loading and low in-stream velocities, dissolved oxygen (DO) levels in the Chicago waterways historically have been low. In 1984, the Metropolitan Water Reclamation District of Greater Chicago (MWRDGC) issued a...
    • Water quality trends of the Illinois Waterway system upstream of Peoria including the Chicago...

    • 2001; Calumet Sag Channel; Canal; Channel; Chicago Sanitary and Ship Canal; Des Plaines River; ISWS CR 2001-03; Illinois Waterway; Larson, Robert S.; North Branch Chicago River; Reservoir; River surveys; South Branch Chicago River; Stream; Water...
    • The long-term temporal trends of water quality in the Illinois Waterway system upstream of Peoria are described in this report. The time period investigated was from 1965 to 1995. The seasonal Kendall trend test was used to detect statistically...
    • 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...
    • 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...
    • Shallow groundwater quality sampling in Kane County, October 2003.

    • 2005; Groundwater -\- Analysis; Groundwater -\- Quality; ISWS CR 2005-07; Kelly, Walton R.; Water quality; Wells -\- Sampling
    • Seventy-five shallow wells were sampled for water-quality analysis in Kane County in October 2003 to provide a 'snapshot' of groundwater quality in these shallow aquifers and also compare water quality from different parts and aquifers of Kane...
    • Watershed monitoring for the Lake Decatur watershed, 2000-2003.

    • 2005; ISWS CR 2005-09; Keefer, Laura and Erin Bauer.; Lake Decatur; Nitrates; Reservoir; Water quality; Water quality monitoring stations; Watershed management
    • 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...
    • Total Maximum Daily Load Development for Altamont New Reservoir Watershed

    • 303d List; Altamont; 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...
    • Altamont New Reservoir TMDL Report

    • 303d List; Altamont; 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...
    • 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...
    • 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...
    • Ashland New Reservoir Watershed TMDL Stage One Draft Report

    • 303d List; Ashland New Reservoir; 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...
    • Ashland New Reservoir Watershed TMDL Stage One Draft Report

    • 303d List; Ashland New Reservoir; 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...
    • Little Wabash River I Watershed TMDL Report

    • 303d list; Atrazine; Lake Mattoon; Lake Paradise; Lake Sara; TMDL; Total maximum daily load; Water quality management; dissolved oxygen; fecal coliform; impairment; manganese; pH; phosphorus; silver; total suspended solids; watershed management;...
    • This report documents the analysis and findings of various stages of TMDL development for water segments within this watershed. Water quality data are gathered and analyzed. Illinois is required to identify water bodies that do not meet water...
    • Bay Creek Watershed TMDL Report

    • 303d List; Bay Creek; 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...
    • 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...

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