USGS Surface Water for USA: Streamflow Measurements

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Streamflow Measurements for the Nation

Clay County, Illinois

Hydrologic Unit Code 05120114

Latitude 38°38'05", Longitude 88°17'50" NAD83

Drainage area 1,131 square miles

Gage datum 391.92 feet above NAVD88

**Period of record**
Begin Date	End Date	Count
1929-04-12	2024-12-02	500

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U.S. Department of the Interior | U.S. Geological Survey
Title: Surface Water for USA: Streamflow Measurements
URL: https://waterdata.usgs.gov/nwis/measurements?

Page Contact Information: Illinois Water Data Support Team
Page Last Modified: 2024-12-04 03:29:40 EST
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