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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	2019-09-15
Daily Data
Temperature, water, degrees Celsius	1967-10-01	2019-09-14	4517
Temperature, water, degrees Fahrenheit	1963-11-22	1967-09-29	2544
Discharge, cubic feet per second	1939-10-01	2019-09-13	29203
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	2016-03-26	2019-09-14	3777
pH, water, unfiltered, field, standard units	2016-03-26	2019-09-14	3775
Dissolved organic matter fluorescence (fDOM), water, in situ, concentration estimated from reference material, micrograms per liter as quinine sulfate equivalents (QSE)	2016-09-15	2019-09-14	3261
Chlorophylls, water, in situ, fluorometric method, excitation at 470 +-15 nm, emission at 685 +-20 nm, micrograms per liter	2016-09-15	2019-09-14	3282
Phycocyanin fluorescence (fPC), water, in situ, concentration estimated from reference material, micrograms per liter as phycocyanin	2016-09-15	2019-09-14	3279
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	2019-09-14	3775
Daily Statistics
Temperature, water, degrees Celsius	2016-03-26	2019-03-12	1077
Discharge, cubic feet per second	1939-10-01	2019-02-04	28982
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	2016-03-26	2019-03-12	1072
Monthly Statistics
Temperature, water, degrees Celsius	2016-03	2019-03
Discharge, cubic feet per second	1939-10	2019-02
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	2016-03	2019-03
Annual Statistics
Temperature, water, degrees Celsius	2016	2019
Discharge, cubic feet per second	1940	2019
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	2016	2019
Peak streamflow	1940-02-06	2017-02-09	78
Field measurements	1977-12-14	2019-08-20	244
Field/Lab water-quality samples	1981-10-28	2019-03-13	969
Water-Year Summary	2006	2018	13
Revisions	Loading...

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