USGS Surface Water for USA: Streamflow Measurements

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Streamflow Measurements for the Nation

Clackamas County, Oregon

Hydrologic Unit Code 17090011

Latitude 45°06'24.11", Longitude 121°48'56.13" NAD83

Gage datum 3,031 feet above NAVD88

**Period of record**
Begin Date	End Date	Count
1983-04-22	1985-08-13	2

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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: Oregon Water Data Support Team
Page Last Modified: 2025-09-19 06:45:08 EDT
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