USGS Surface Water for USA: Streamflow Measurements

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Streamflow Measurements for the Nation

Okanogan County, Washington

Hydrologic Unit Code 17020005

Latitude 48°07'23", Longitude 118°58'39" NAD27

Drainage area 90.40 square miles

**Period of record**
Begin Date	End Date	Count
1913-07-28	1974-06-17	39

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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: Washington Water Data Support Team
Page Last Modified: 2025-09-22 07:28:24 EDT
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