USGS Surface Water for USA: Streamflow Measurements

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Streamflow Measurements for the Nation

Grundy County, Illinois

Hydrologic Unit Code 07120005

Latitude 41°17'10.3", Longitude 88°21'35.5" NAD83

Drainage area 455 square miles

Gage datum 527.21 feet above NAVD88

**Period of record**
Begin Date	End Date	Count
1969-07-10	2024-11-05	411

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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: 2024-11-23 05:49:34 EST
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