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Data Online- 1 7-Day 10-Year Low Flow Maps
- These maps provide information on low flow conditions that might be expected to occur only during droughts (once in 10 years), and associated effluent discharges, water withdrawals, and flow regulations for most Illinois rivers and streams.
- 2 Cass County Water Data
- The USGS National Water Information System provides real-time and historical data on surface water flow, ground water levels, and water quality of streams in the US.
- 3 Cox Creek (Station 202) Discharge Data
- Discharge data files available in comma-delimited or graphical format
- 4 Cox Creek (Station 202) Nutrient Data
- Nutrient concentration data files available in comma-delimited or graphical format
- 5 Cox Creek (Station 202) Sediment Data
- Suspended sediment concentration data files available in comma-delimited or graphical format
- 6 Cox Creek (Station 202) Stage Data
- Stage data files available in comma-delimited or graphical formats
- 7 Flood Discharge Database
- FEMA-published and selected other statistical flood discharge values, searchable by watershed or county.
- 8 ILLINOIS RIVER AT BEARDSTOWN, IL - Water Data
- The USGS National Water Information System provides real-time and historical data on surface water flow, ground water levels, and water quality of streams in the US.
- 9 Illinois Water Quality
- EPA maintained website with links to all Illinois watershed water quality summary reports dating back to 1996.
- 10 Lower Illinois River Basin Aerial Photographs
- Photo mosaics, close-ups, and oblique angle photos of river features.
- 11 Lower Illinois River Basin: Sediment and Discharge
- Graphic depicting sediment and discharge levels throughout the Lower Illinois River channel.
- 12 Lower Illinois Watershed Profile
- Environmental Protection Agency website containing numerous links to environmental data about the Lower Illinois watershed.
- 13 Lower Illinois Watershed Resource Links
- USGS maintained site with links to data, projects, and publications on HUC watersheds
- 14 Lower Illinois Watershed Water Data
- The USGS National Water Information System provides real-time and historical data on surface water flow, ground water levels, and water quality of streams in the US.
- 15 Lower Illinois- Lake Chautauqua Watershed Profile
- Environmental Protection Agency website containing numerous links to environmental data about the Lower Illinois-Lake Chautauqua watershed.
- 16 Lower Illinois- Lake Chautauqua Watershed Resource Links
- USGS maintained site with links to data, projects, and publications on HUC watersheds
- 17 Lower Illinois- Lake Chautauqua Watershed Water Data
- The USGS National Water Information System provides real-time and historical data on surface water flow, ground water levels, and water quality of streams in the US.
- 18 Lower Sangamon Watershed Profile
- Environmental Protection Agency website containing numerous links to environmental data about the Lower Sangamon watershed.
- 19 Lower Sangamon Watershed Resource Links
- USGS maintained site with links to data, projects, and publications on HUC watersheds
- 20 Lower Sangamon Watershed Water Data
- The USGS National Water Information System provides real-time and historical data on surface water flow, ground water levels, and water quality of streams in the US.
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