USGS Home
Contact USGS
Search USGS

National Water Information System: Web Interface

USGS Water Resources   

Data Category:
Home Current Conditions Site Information Mapper Surface Water Groundwater Water Quality Water Use Revisions Geographic Area:
United States Alabama Alaska American Samoa Arizona Arkansas British Columbia California Canton and Enderbury Islands Colorado Connecticut Delaware Dist. of Columbia Florida Georgia Guam Hawaii Idaho Illinois Indiana Iowa Johnston Atoll Kansas Kentucky Louisiana Maine Maryland Massachusetts Michigan Midway Islands Minnesota Mississippi Missouri Montana Nebraska Nevada New Hampshire New Jersey New Mexico New York North Carolina North Dakota Northern Mariana Islands Ohio Oklahoma Oregon Pennsylvania Puerto Rico Rhode Island Ryukyu Islands, Southern South Carolina South Dakota Swan Islands Tennessee Texas Trust Territories, Pacific Is U.S.Misc Caribbean Islands U.S.Misc Pacific Islands Utah Vermont Virgin Islands Virginia Wake Island Washington West Virginia Wisconsin Wyoming

Page Loading - Please Wait...

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	2024-11-29
Daily Data
Temperature, water, degrees Celsius	2002-06-21	2024-11-29	24465
Discharge, cubic feet per second	2001-06-01	2024-11-28	8581
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	2002-06-21	2024-11-28	24386
Dissolved oxygen, water, unfiltered, milligrams per liter	2002-06-21	2024-11-29	24260
pH, water, unfiltered, field, standard units	2002-06-21	2024-11-29	24198
Chlorophyll relative fluorescence (fChl), water, in situ, relative fluorescence units (RFU)	2024-03-13	2024-11-28	783
Phycocyanin relative fluorescence (fPC), water, in situ, relative fluorescence units (RFU)	2024-03-13	2024-11-28	783
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	2024-11-28	24164
Daily Statistics
Temperature, water, degrees Celsius	2002-06-21	2022-10-24	7384
Discharge, cubic feet per second	2001-06-01	2023-10-03	8160
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	2002-06-21	2022-10-24	7315
Monthly Statistics
Temperature, water, degrees Celsius	2002-06	2022-10
Discharge, cubic feet per second	2001-06	2023-10
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	2002-06	2022-10
Dissolved oxygen, water, unfiltered, milligrams per liter	2002-06	2022-10
Annual Statistics
Temperature, water, degrees Celsius	2002	2023
Discharge, cubic feet per second	2001	2024
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	2002	2023
Dissolved oxygen, water, unfiltered, milligrams per liter	2002	2023
Peak streamflow	2002-04-14	2022-11-05	22
Field measurements	2001-06-21	2024-10-16	150
Field/Lab water-quality samples	2012-07-19	2021-09-01	98
Water-Year Summary	2006	2023	18
Revisions	Loading...

OPERATION:

Record for this site is maintained by the USGS Oregon Water Science Center

Email questions about this site to Oregon Water Science Center Water-Data Inquiries