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DESCRIPTION:

Latitude 45°04'17",   Longitude 121°56'22"   NAD27

Clackamas County, Oregon, Hydrologic Unit 17090011

Drainage area: 124 square miles

Datum of gage: 2,100 feet above   NGVD29.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Current / Historical Observations     (availability statement)	1986-10-01	2020-12-01
Daily Data
Discharge, cubic feet per second	1909-05-01	2020-11-30	39768
Daily Statistics
Discharge, cubic feet per second	1909-05-01	2020-03-17	39510
Monthly Statistics
Discharge, cubic feet per second	1909-05	2020-03
Annual Statistics
Discharge, cubic feet per second	1909	2020
Peak streamflow	1909-11-22	2019-04-08	106
Field measurements	1955-12-22	2020-10-06	316
Field/Lab water-quality samples	1998-09-23	1998-09-24	2
Water-Year Summary	2006	2019	14
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