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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  Agricultural Research Service (ARS) Water Data Base

Collection of precipitation and streamflow data from small agricultural watersheds - Illinois locations: Elmwood, Edwardsville, Monticello.

3  Flood Discharge Database

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

4  ILLINOIS RIVER AT CHILLICOTHE, 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.

5  ILLINOIS RIVER AT KINGSTON MINES, 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.

6  ILLINOIS RIVER AT PEORIA, 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.

7  ILLINOIS RIVER AT SOUTH ROME, 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.

8  ILLINOIS RIVER AT WATER COMPANY AT PEORIA, 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 RIVER BELOW PEORIA LAKE AT PEORIA, 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.

10  Illinois Water Quality

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

11  Lower Illinois River Basin Aerial Photographs

Photo mosaics, close-ups, and oblique angle photos of river features.

12  Lower Illinois River Basin: Sediment and Discharge

Graphic depicting sediment and discharge levels throughout the Lower Illinois River channel.

13  Lower Illinois- Lake Chautauqua Watershed Profile

Environmental Protection Agency website containing numerous links to environmental data about the Lower Illinois-Lake Chautauqua watershed.

14  Lower Illinois- Lake Chautauqua Watershed Resource Links

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

15  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.

16  Lower Illinois- Lake Senachwine Watershed Profile

Environmental Protection Agency website containing numerous links to environmental data about the Lower Illinois-Senachwine Lake watershed.

17  Lower Illinois- Lake Senachwine Watershed Resource Links

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

18  Lower Illinois- Senachwine Lake 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.

19  Monthly Climate Data- Chillicothe, IL

Monthly precipitation and temperature data provided by the State Climatologist. Data available from 1940-present.

20  Monthly Climate Data- Peoria, IL

Monthly precipitation and temperature data provided by the State Climatologist. Data available from 1901-present.

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