USGS Surface Water for USA: Streamflow Measurements

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Streamflow Measurements for the Nation

Riverside County, California

Hydrologic Unit Code 18070203

Latitude 33°55'21", Longitude 117°35'46" NAD27

Drainage area 1,010 square miles

Gage datum 515 feet above NGVD29

**Period of record**
Begin Date	End Date	Count
1997-08-14	2004-08-23	10

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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: California Water Data Support Team
Page Last Modified: 2025-09-06 16:27:23 EDT
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