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DESCRIPTION:

Latitude 45°22'46",   Longitude 122°34'34"   NAD27

Clackamas County, Oregon, Hydrologic Unit 17090011

Drainage area: 940 square miles

Datum of gage: 0.00 feet above   NAVD88.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Current / Historical Observations     (availability statement)	2001-06-09	2023-03-22
Daily Data
Temperature, water, degrees Celsius	2002-06-21	2023-03-22	22612
Discharge, cubic feet per second	2001-06-01	2023-03-21	7964
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	2002-06-21	2023-03-22	22535
Dissolved oxygen, water, unfiltered, milligrams per liter	2016-11-21	2023-03-22	6915
pH, water, unfiltered, field, standard units	2002-06-21	2023-03-22	22346
Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU)	2002-06-21	2023-03-22	22313
Daily Statistics
Temperature, water, degrees Celsius	2002-06-21	2022-10-24	7384
Discharge, cubic feet per second	2001-06-01	2022-11-21	7844
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	2002-06-21	2022-10-24	7355
Dissolved oxygen, water, unfiltered, milligrams per liter	2016-11-21	2022-10-24	2152
Monthly Statistics
Temperature, water, degrees Celsius	2002-06	2022-10
Discharge, cubic feet per second	2001-06	2022-11
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	2002-06	2022-10
Dissolved oxygen, water, unfiltered, milligrams per liter	2016-11	2022-10
Annual Statistics
Temperature, water, degrees Celsius	2002	2023
Discharge, cubic feet per second	2001	2023
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	2002	2023
Dissolved oxygen, water, unfiltered, milligrams per liter	2017	2023
Peak streamflow	2002-04-14	2022-05-07	21
Field measurements	2001-06-21	2023-01-20	140
Field/Lab water-quality samples	2012-07-19	2021-09-01	98
Water-Year Summary	2006	2022	17
Revisions	Loading...

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