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°24'31", Longitude 122°30'32" NAD27

Gage datum 87 feet above NAVD88

**Period of record**
Begin Date	End Date	Count
2015-04-14	2015-07-14	4

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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 13:37:59 EDT
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