USGS Surface Water for USA: Streamflow Measurements

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Streamflow Measurements for the Nation

Cook County, Illinois

Hydrologic Unit Code 07120003

Latitude 41°34'05.4", Longitude 87°36'30" NAD83

Drainage area 104 square miles

Gage datum 586.05 feet above NAVD88

**Period of record**
Begin Date	End Date	Count
1954-10-11	2024-10-23	462

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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: 2024-11-21 08:01:20 EST
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