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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	2017-06-26
Daily Data
Temperature, water, degrees Celsius	1978-10-06	2017-06-25	41676
Discharge, cubic feet per second	1974-10-01	2017-06-25	15609
Turbidity, water, unfiltered, nephelometric turbidity units	1990-10-01	1994-09-29	2155
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	1978-10-06	2017-06-25	39090
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	2016-10-10	13622
Discharge, cubic feet per second	1974-10-01	2016-10-10	15351
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	1978-10-06	2016-10-10	12752
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	2016-10
Discharge, cubic feet per second	1974-10	2016-10
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	1978-10	2016-10
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	2017
Discharge, cubic feet per second	1975	2017
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	1979	2017
Suspended sediment concentration, milligrams per liter	1979	1986
Suspended sediment discharge, short tons per day	1979	1986
Peak streamflow	1975-01-25	2015-12-07	42
Field measurements	1975-01-13	2017-06-16	228
Field/Lab water-quality samples	1972-12-19	1984-01-28	902
Water-Year Summary	2006	2016	11
Additional Data Sources	Begin Date	End Date	Count
Instantaneous-Data Archive  **offsite**	1986-10-01	2007-09-30	343389

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