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DESCRIPTION:

Latitude 45°10'02",   Longitude 122°09'18"   NAD27

Clackamas County, Oregon, Hydrologic Unit 17090011

Drainage area: 594 square miles

Datum of gage: 840 feet above   NGVD29.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Current / Historical Observations     (availability statement)	2007-10-01	2024-12-01
Daily Data
Temperature, water, degrees Celsius	2005-04-17	2024-12-01	21279
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	2005-04-18	2024-12-01	21136
Dissolved oxygen, water, unfiltered, milligrams per liter	2005-04-18	2024-12-01	21242
pH, water, unfiltered, field, standard units	2005-04-17	2024-12-01	20888
Dissolved organic matter fluorescence (fDOM), water, in situ, concentration estimated from reference material, micrograms per liter as quinine sulfate equivalents (QSE)	2021-12-02	2024-12-01	3285
Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU)	2005-04-18	2024-12-01	20937
Daily Statistics
Temperature, water, degrees Celsius	2005-04-18	2022-11-07	6333
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	2005-04-18	2022-11-07	6283
Dissolved oxygen, water, unfiltered, milligrams per liter	2005-04-18	2022-11-07	6320
Monthly Statistics
Temperature, water, degrees Celsius	2005-04	2022-11
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	2005-04	2022-11
Dissolved oxygen, water, unfiltered, milligrams per liter	2005-04	2022-11
Annual Statistics
Temperature, water, degrees Celsius	2005	2023
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	2005	2023
Dissolved oxygen, water, unfiltered, milligrams per liter	2005	2023
Field measurements	1999-01-12	2000-09-30	10
Field/Lab water-quality samples	2010-04-14	2011-09-16	20
Water-Year Summary	2006	2022	17
Revisions	Loading...

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