USGS Surface Water for USA: Streamflow Measurements

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Streamflow Measurements for the Nation

Johnson County, Illinois

Hydrologic Unit Code 05140206

Latitude 37°20'06", Longitude 88°55'31" NAD83

Drainage area 244 square miles

Gage datum 307.74 feet above NAVD88

**Period of record**
Begin Date	End Date	Count
1933-04-01	2024-10-03	797

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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: 2024-12-01 04:14:21 EST
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