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21  Monthly Climate Data- Princeville, IL

Monthly precipitation and temperature data provided by the State Climatologist. Data available from 1929-present.

22  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.

23  NAWQA Data Warehouse

Searchable database of National Water Quality Assessment data.

24  Peoria 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.

25  SPOON RIVER AT ELMORE, 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.

26  Spoon Watershed Profile

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

27  Spoon Watershed Resource Links

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

28  Spoon 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.

29  Ammonia-N Concentrations in the Illinois River Watershed

Thematic map showing the mean total Ammonia-N for each of the major sub-watersheds.

Download Options: LoRes preview | HiRes (624 K) | Metadata

30  Average soil depth in the Illinois River Watershed

Thematic map showing the average soil depth (inches) across the basin.

Download Options: LoRes preview | HiRes (3.36 MB) | Metadata

31  Elevation in the Illinois River Watershed

Thematic map showing elevation changes in the basin.

Download Options: LoRes preview | HiRes (1.76 MB) | Metadata

32  Floodzones in the Illinois River Watershed

Thematic map showing the 100 and 500 year floodzones across the basin as of 1986.

Download Options: LoRes preview | HiRes (3.77 MB) | Metadata

33  Illinois Bluffs Watershed

Thematic map of the Illinois Bluffs watershed showing roads, county boundaries, and elevation changes.

Download Options: LoRes preview | HiRes (2.26 MB) | Metadata

34  Illinois County Boundaries, Polygons and Lines

GIS data - zipped shapefile  

35  Illinois Floodplain Maps

ISWS resource providing preliminary and final maps of Illinois floodplains.

36  Illinois River Basin GIS Data Viewer

Interactive map provided by the ISWS. Viewable layers include watersheds, rivers, water quality, geology, and groundwater.

37  Illinois River Basin Weather Stations

The weather stations in this data set were gathered from the WDM database within the Basins watershed modeling program. Coordinates for the stations were exported from Basins, then formatted and imported into ArcGIS. This data set was created to support research at the Illinois State Water Survey. (shapefile, .zip archive)   

38  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

39  Land cover in the Illinois River Watershed

Thematic map showing land cover from raster imagery.

Download Options: LoRes preview | HiRes (2.68 MB) | Metadata

40  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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