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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  Bond 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  Flood Discharge Database

FEMA-published and selected other statistical flood discharge values, searchable by watershed or county.

4  Illinois Water Quality

EPA maintained website with links to all Illinois watershed water quality summary reports dating back to 1996.

5  Lower Kaskaskia Watershed Profile

Environmental Protection Agency website containing numerous links to environmental data about the Lower Kaskaskia watershed.

6  Lower Kaskaskia Watershed Resource Links

USGS maintained site with links to data, projects, and publications on HUC watersheds.

7  Lower Kaskaskia 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.

8  Middle Kaskaskia Watershed Profile

Environmental Protection Agency website containing numerous links to environmental data about the Middle Kaskaskia watershed.

9  Middle Kaskaskia Watershed Resource Links

USGS maintained site with links to data, projects, and publications on HUC watersheds.

10  Middle Kaskaskia 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.

11  National Weather Service: River Watch, Mississippi River Basin

Illinois River 5-day stage forecasts for three main river segments: Morris to LaSalle, Henry to Beardstown, and New LaGrange to Hardin. Includes links to Upper Mississippi Basin stage forecasts.

12  Shoal Watershed Profile

Environmental Protection Agency website containing numerous links to environmental data about the Shoal watershed.

13  Shoal Watershed Resource Links

USGS maintained site with links to data, projects, and publications on HUC watersheds.

14  Shoal 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  Bond County Coal Maps

ISGS Coal Map Series. Includes mines, resources, and logs.

16  Bond County Orthophotography Data 1998-1999

Illinois National Aerial Photography Program Digital Orthophotography quarter Quadrangle data for Bond County in the Universal Transverse Mercator (UTM) coordinate system with a NAD83 datum.  

17  Illinois County Boundaries, Polygons and Lines

GIS data - zipped shapefile  

18  Illinois Floodplain Maps

ISWS resource providing preliminary and final maps of Illinois floodplains.

19  Illinois River Watershed - Poster

Poster-sized (26x38) map of the entire Illinois River Watershed. Part of the Illinois State Water Survey published Map Series (2003-1)

Download Options: LoRes preview | HiRes (3.5 MB) | Metadata

20  Major Watersheds of Illinois

Poster-sized (26x38) map of the major watersheds in Illinois. Part of the Illinois State Water Survey published Map Series (2000-01)

Download Options: LoRes preview | HiRes (730 K) | Metadata

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