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DESCRIPTION:

Latitude 45°30'04",   Longitude 122°51'03"   NAD27

Washington County, Oregon, Hydrologic Unit 17090010

Drainage area: 22.7 square miles

Datum of gage: 160.00 feet above   NGVD29.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Current / Historical Observations     (availability statement)	2007-10-01	2024-04-26
Daily Data
Temperature, water, degrees Celsius	2001-05-12	2024-04-26	23883
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	2001-05-12	2024-04-26	23838
Dissolved oxygen, water, unfiltered, milligrams per liter	2001-05-12	2024-04-26	23261
pH, water, unfiltered, field, standard units	2001-05-12	2024-04-26	23704
Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU)	2002-04-25	2024-04-26	21908
Daily Statistics
Temperature, water, degrees Celsius	2001-05-12	2024-01-30	7870
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	2001-05-12	2024-01-30	7857
Dissolved oxygen, water, unfiltered, milligrams per liter	2001-05-12	2024-01-30	7662
Monthly Statistics
Temperature, water, degrees Celsius	2001-05	2024-01
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	2001-05	2024-01
Dissolved oxygen, water, unfiltered, milligrams per liter	2001-05	2024-01
Annual Statistics
Temperature, water, degrees Celsius	2001	2024
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	2001	2024
Dissolved oxygen, water, unfiltered, milligrams per liter	2001	2024
Field/Lab water-quality samples	1994-08-30	2022-12-12	583
Water-Year Summary	2014	2023	10
Revisions	Loading...

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