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DESCRIPTION:

Latitude 45°29'54",   Longitude 122°00'40"   NAD27

Multnomah County, Oregon, Hydrologic Unit 17080001

Drainage area: 47.9 square miles

Datum of gage: 1,080 feet above   NGVD29.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Current / Historical Observations     (availability statement)	1991-10-01	2024-11-21
Daily Data
Temperature, water, degrees Celsius	1977-10-21	2024-11-20	49274
Discharge, cubic feet per second	1966-07-22	2024-11-20	21307
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	1977-10-21	2024-11-20	43854
pH, water, unfiltered, field, standard units	1990-08-30	1992-08-27	1080
Turbidity, water, unfiltered, broad band light source (400-680 nm), detection angle 90 +-30 degrees to incident light, nephelometric turbidity units (NTU)	1990-09-30	1994-07-20	2565
Suspended sediment concentration, milligrams per liter	1977-10-01	1986-09-29	2711
Suspended sediment discharge, short tons per day	1977-10-01	1986-09-29	3286
Daily Statistics
Temperature, water, degrees Celsius	1977-10-21	2024-10-24	16510
Discharge, cubic feet per second	1966-07-22	2024-08-01	21196
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	1977-10-21	2024-03-27	15983
Suspended sediment concentration, milligrams per liter	1977-10-01	1986-09-29	2711
Suspended sediment discharge, short tons per day	1977-10-01	1986-09-29	3286
Monthly Statistics
Temperature, water, degrees Celsius	1977-10	2024-10
Discharge, cubic feet per second	1966-07	2024-08
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	1977-10	2024-03
Suspended sediment concentration, milligrams per liter	1977-10	1986-09
Suspended sediment discharge, short tons per day	1977-10	1986-09
Annual Statistics
Temperature, water, degrees Celsius	1978	2025
Discharge, cubic feet per second	1966	2024
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	1978	2024
Suspended sediment concentration, milligrams per liter	1978	1986
Suspended sediment discharge, short tons per day	1978	1986
Peak streamflow	1966-12-13	2022-11-05	56
Field measurements	1971-01-19	2024-10-25	272
Field/Lab water-quality samples	1971-11-11	1983-12-17	788
Water-Year Summary	2006	2024	19
Revisions	Loading...

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