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DESCRIPTION:

Latitude 45°31'45.90",   Longitude 123°01'24.92"   NAD83

Washington County, Oregon, Hydrologic Unit 17090010

Drainage area: 219.1 square miles

Datum of gage: 138 feet above   NGVD29.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Field/Lab water-quality samples (Legacy QW is frozen as of March 2024, newer data may be found on MLP)	1999-06-02	2000-11-07	36
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