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DESCRIPTION:

Latitude 45°26'41",   Longitude 122°06'30"   NAD27

Clackamas County, Oregon, Hydrologic Unit 17080001

Drainage area: 15.7 square miles

Datum of gage: 990 feet above   NGVD29.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Current / Historical Observations     (availability statement)	1986-10-01	2024-04-19
Daily Data
Temperature, water, degrees Celsius	1978-10-06	2024-04-18	49123
Discharge, cubic feet per second	1974-10-01	2024-04-18	18090
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	1978-10-06	2024-04-18	42768
pH, water, unfiltered, field, standard units	1980-11-04	1992-09-30	2372
Turbidity, water, unfiltered, broad band light source (400-680 nm), detection angle 90 +-30 degrees to incident light, nephelometric turbidity units (NTU)	1990-10-01	1994-09-29	2155
Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU)	2023-09-29	2024-04-18	546
Suspended sediment concentration, milligrams per liter	1978-10-10	1986-09-29	2313
Suspended sediment discharge, short tons per day	1978-10-10	1986-09-29	2912
Daily Statistics
Temperature, water, degrees Celsius	1978-10-06	2023-12-13	16242
Discharge, cubic feet per second	1974-10-01	2023-10-29	17926
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	1978-10-06	2023-12-13	15737
Suspended sediment concentration, milligrams per liter	1978-10-10	1986-09-29	2313
Suspended sediment discharge, short tons per day	1978-10-10	1986-09-29	2912
Monthly Statistics
Temperature, water, degrees Celsius	1978-10	2023-12
Discharge, cubic feet per second	1974-10	2023-10
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	1978-10	2023-12
Suspended sediment concentration, milligrams per liter	1978-10	1986-09
Suspended sediment discharge, short tons per day	1978-10	1986-09
Annual Statistics
Temperature, water, degrees Celsius	1979	2024
Discharge, cubic feet per second	1975	2024
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	1979	2024
Suspended sediment concentration, milligrams per liter	1979	1986
Suspended sediment discharge, short tons per day	1979	1986
Peak streamflow	1975-01-25	2022-11-05	49
Field measurements	1975-01-13	2024-03-26	298
Field/Lab water-quality samples	1972-12-19	1984-01-28	902
Water-Year Summary	2006	2023	18
Revisions	Loading...

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