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DESCRIPTION:

Latitude 45°22'30.09",   Longitude 122°51'21.76"   NAD27

Washington County, Oregon, Hydrologic Unit 17090010

Datum of gage: 130 feet above   NGVD29.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Current / Historical Observations     (availability statement)	2007-10-01	2024-12-17
Daily Data
Temperature, water, degrees Celsius	2001-05-12	2024-12-17	12532
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	2001-05-12	2024-12-17	12531
Dissolved oxygen, water, unfiltered, milligrams per liter	2001-05-12	2011-12-11	6741
pH, water, unfiltered, field, standard units	2001-05-12	2011-12-11	6919
Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU)	2002-04-24	2011-11-30	5922
Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU)	2019-12-03	2024-12-17	5403
Daily Statistics
Temperature, water, degrees Celsius	2001-05-12	2024-10-15	4113
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	2001-05-12	2024-10-15	4114
Dissolved oxygen, water, unfiltered, milligrams per liter	2001-05-12	2011-12-11	2247
Monthly Statistics
Temperature, water, degrees Celsius	2001-05	2024-10
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	2001-05	2024-10
Dissolved oxygen, water, unfiltered, milligrams per liter	2001-05	2011-12
Annual Statistics
Temperature, water, degrees Celsius	2001	2025
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	2001	2025
Dissolved oxygen, water, unfiltered, milligrams per liter	2001	2012
Field/Lab water-quality samples	2020-02-06	2023-12-02	29
Water-Year Summary	2020	2024	5
Revisions	Loading...

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