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DESCRIPTION:

Latitude 45°28'30",   Longitude 123°07'23"   NAD27

Washington County, Oregon, Hydrologic Unit 17090010

Drainage area: 125 square miles

Datum of gage: 147.57 feet above   NGVD29.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Current / Historical Observations     (availability statement)	1986-10-01	2023-06-08
Daily Data
Temperature, water, degrees Celsius	1967-10-01	2023-06-08	8597
Temperature, water, degrees Fahrenheit	1963-11-22	1967-09-29	2544
Discharge, cubic feet per second	1939-10-01	2023-06-07	30566
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	2016-03-26	2023-06-08	7829
Dissolved oxygen, water, unfiltered, milligrams per liter	2020-02-19	2023-06-08	3610
pH, water, unfiltered, field, standard units	2016-03-26	2023-06-08	7743
Dissolved organic matter fluorescence (fDOM), water, in situ, concentration estimated from reference material, micrograms per liter as quinine sulfate equivalents (QSE)	2020-06-08	2023-06-08	3281
Chlorophyll fluorescence (fChl), water, in situ, concentration estimated from reference material, micrograms per liter as chlorophyll	2020-06-08	2023-06-08	3281
Phycocyanin fluorescence (fPC), water, in situ, concentration estimated from reference material, micrograms per liter as phycocyanin	2020-06-08	2023-06-08	3287
Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU)	2016-03-26	2023-06-08	7853
Daily Statistics
Temperature, water, degrees Celsius	2016-03-26	2023-01-09	2472
Discharge, cubic feet per second	1939-10-01	2022-12-12	30389
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	2016-03-26	2023-01-09	2458
Dissolved oxygen, water, unfiltered, milligrams per liter	2020-02-20	2023-01-09	1052
Monthly Statistics
Temperature, water, degrees Celsius	2016-03	2023-01
Discharge, cubic feet per second	1939-10	2022-12
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	2016-03	2023-01
Dissolved oxygen, water, unfiltered, milligrams per liter	2020-02	2023-01
Annual Statistics
Temperature, water, degrees Celsius	2016	2023
Discharge, cubic feet per second	1940	2023
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	2016	2023
Dissolved oxygen, water, unfiltered, milligrams per liter	2020	2023
Peak streamflow	1940-02-06	2022-01-07	83
Field measurements	2023-05-31	2023-04-17	290
Field/Lab water-quality samples	1981-10-28	2021-10-13	1015
Water-Year Summary	2006	2022	17
Revisions	Loading...

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