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DESCRIPTION:

Latitude 45°30'29.5",   Longitude 122°56'00.6"   NAD83

Washington County, Oregon, Hydrologic Unit 17090010

Drainage area: 72 square miles

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Current / Historical Observations     (availability statement)	2007-10-01	2026-01-23
Daily Data
Temperature, water, degrees Celsius	2004-05-20	2026-01-22	23610
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	2004-05-20	2026-01-22	23561
Dissolved oxygen, water, unfiltered, milligrams per liter	2004-05-20	2026-01-22	23342
pH, water, unfiltered, field, standard units	2004-05-20	2026-01-22	23099
Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU)	2004-05-20	2026-01-22	22176
Daily Statistics
Temperature, water, degrees Celsius	2004-05-20	2025-11-20	7805
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	2004-05-20	2025-11-20	7785
Dissolved oxygen, water, unfiltered, milligrams per liter	2004-05-20	2025-11-20	7715
Monthly Statistics
Temperature, water, degrees Celsius	2004-05	2025-11
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	2004-05	2025-11
Dissolved oxygen, water, unfiltered, milligrams per liter	2004-05	2025-11
Annual Statistics
Temperature, water, degrees Celsius	2004	2026
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	2004	2026
Dissolved oxygen, water, unfiltered, milligrams per liter	2004	2026
Field/Lab water-quality samples (Legacy QW is frozen as of March 2024, newer data may be found on MLP)	2003-05-28	2022-12-12	577
Water-Year Summary	2014	2025	12
Revisions	Loading...

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