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DESCRIPTION:

Latitude 45°08'52",   Longitude 122°09'07"   NAD27

Clackamas County, Oregon, Hydrologic Unit 17090011

Drainage area: 45.1 square miles

Datum of gage: 940 feet above   NGVD29.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Current / Historical Observations     (availability statement)	1989-12-13	2024-11-27
Daily Data
Temperature, water, degrees Celsius	2021-06-09	2024-11-27	3760
Discharge, cubic feet per second	1989-08-18	2024-11-26	7540
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	2021-06-10	2024-11-27	3735
Dissolved oxygen, water, unfiltered, milligrams per liter	2021-06-09	2024-11-27	3760
pH, water, unfiltered, field, standard units	2021-06-09	2024-11-27	3762
Dissolved organic matter fluorescence (fDOM), water, in situ, concentration estimated from reference material, micrograms per liter as quinine sulfate equivalents (QSE)	2021-11-28	2024-11-27	3240
Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU)	2021-06-10	2024-11-27	3753
Daily Statistics
Temperature, water, degrees Celsius	2021-06-10	2024-03-12	995
Discharge, cubic feet per second	1989-08-18	2023-10-12	7129
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	2021-06-10	2023-02-07	590
Dissolved oxygen, water, unfiltered, milligrams per liter	2021-06-10	2024-03-12	995
Monthly Statistics
Temperature, water, degrees Celsius	2021-06	2024-03
Discharge, cubic feet per second	1989-08	2023-10
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	2021-06	2023-02
Dissolved oxygen, water, unfiltered, milligrams per liter	2021-06	2024-03
Annual Statistics
Temperature, water, degrees Celsius	2021	2024
Discharge, cubic feet per second	1989	2024
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	2021	2023
Dissolved oxygen, water, unfiltered, milligrams per liter	2021	2024
Peak streamflow	1989-12-05	2022-11-05	19
Field measurements	1989-07-24	2024-09-03	130
Field/Lab water-quality samples	1998-07-07	2023-12-04	48
Water-Year Summary	2006	2023	4
Revisions	Loading...

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