USGS Surface Water for USA: Streamflow Measurements

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Streamflow Measurements for the Nation

St. Clair County, Illinois

Hydrologic Unit Code 07140204

Latitude 38°19'11", Longitude 89°53'18" NAD83

Drainage area 5,189 square miles

Gage datum 299.54 feet above NAVD88

**Period of record**
Begin Date	End Date	Count
2009-03-17	2024-12-19	150

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

Page Contact Information: Illinois Water Data Support Team
Page Last Modified: 2024-12-28 20:12:45 EST
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