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...

This page will be decommissioned in early 2026. Please find the modernized pages in WDFN that suit you best. Learn more about our modernization plans and timeline.

DESCRIPTION:

Latitude 44°46'41.6",   Longitude 122°40'39.8"   NAD83

Marion County, Oregon, Hydrologic Unit 17090005

Drainage area: 671 square miles

Datum of gage: 552 feet above   NAVD88.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Current / Historical Observations     (availability statement)	2020-09-22	2026-01-22
Daily Data
Temperature, water, degrees Celsius	2020-09-22	2026-01-22	5816
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	2020-09-22	2026-01-21	5798
Dissolved oxygen, water, unfiltered, milligrams per liter	2020-09-22	2026-01-22	5777
pH, water, unfiltered, field, standard units	2020-09-22	2026-01-22	5804
Dissolved organic matter fluorescence (fDOM), water, in situ, concentration estimated from reference material, micrograms per liter as quinine sulfate equivalents (QSE)	2023-01-23	2026-01-21	3283
Chlorophyll relative fluorescence (fChl), water, in situ, relative fluorescence units (RFU)	2023-11-15	2026-01-21	2397
Chlorophyll fluorescence (fChl), water, in situ, concentration estimated from reference material, micrograms per liter as chlorophyll	2023-01-23	2025-07-23	2415
Phycocyanin fluorescence (fPC), water, in situ, concentration estimated from reference material, micrograms per liter as phycocyanin	2023-01-23	2025-04-01	2397
Phycocyanin relative fluorescence (fPC), water, in situ, relative fluorescence units (RFU)	2023-11-15	2026-01-21	2397
Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU)	2020-09-22	2026-01-21	5810
Daily Statistics
Temperature, water, degrees Celsius	2020-09-23	2025-05-20	1688
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	2020-09-23	2024-02-07	1216
Dissolved oxygen, water, unfiltered, milligrams per liter	2020-09-23	2025-05-20	1675
Monthly Statistics
Temperature, water, degrees Celsius	2020-09	2025-05
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	2020-09	2024-02
Dissolved oxygen, water, unfiltered, milligrams per liter	2020-09	2025-05
Annual Statistics
Temperature, water, degrees Celsius	2020	2025
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	2020	2024
Dissolved oxygen, water, unfiltered, milligrams per liter	2020	2025
Field/Lab water-quality samples (Legacy QW is frozen as of March 2024, newer data may be found on MLP)	2020-09-23	2021-12-07	43
Water-Year Summary	2020	2024	5
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