Skip to main content
U.S. flag

An official website of the United States government

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

New WQX 3.0 profiles are available at waterqualitydata.us/beta/. These profiles will contain recent USGS data added since March 11, 2024, which marks the beginning of limited accessibility for USGS data. Read more about the 3.0 profiles and associated changes here. This user interface only serves WQX2.2 profiles, which do NOT contain USGS data added after March 11, 2024.

WQP Home >  Providers >  STORET >  OREGONDEQ >  OREGONDEQ-10463-ORDEQ

Tualatin River at Golf Course Road (OREGONDEQ-10463-ORDEQ) site data in the Water Quality Portal

Data Provider: STORET (Learn more about Water Quality Portal Data Providers)

This river/stream site, maintained by the State of Oregon Dept. of Environmental Quality (identifier OREGONDEQ), has the name "Tualatin River at Golf Course Road" and has the identifier OREGONDEQ-10463-ORDEQ. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)17090010.

This site is located in Washington County County, Oregon at 45.5022246700 degrees latitude and -123.0562427000 degrees longitude using the datum NAD83. No horizontal location accuracy metadata is available.

To download the metadata about this site along with water quality data, go to the Portal Page and enter "OREGONDEQ-10463-ORDEQ" into the "Site ID" box under Site Parameters

What other monitoring locations are upstream or downstream from this one?

Upstream and downstream locations

This map shows all Water Quality Portal stations that are 10 miles upstream (dashed dark blue) and 10 miles downstream (solid light blue) of this monitoring location (indicated by the large blue circle). The upstream and downstream functionality is provided by the Network Linked Data Index.

When were data collected at this location?

Periods of record for data characteristic groups

For a more detailed breakdown of data, go to the Monitoring Report at the EPA How's My Waterway Application
Characteristic Group Date Range*
Biological, Algae, Cyanobacteria 1986 - 1987
Biological, Algae, Phytoplankton 1986 - 1987
Inorganics, Major, Metals 1975 - 1987
Inorganics, Major, Non-metals 1963 - 1987
Inorganics, Minor, Metals 1970 - 1970
Microbiological 1949 - 1987
Not Assigned 1963 - 1963
Nutrient 1963 - 1987
Organics, Other 1976 - 1987
Physical 1951 - 1987
*Date ranges may contain gap years

What other information is available for this location?

Detailed Metadata

For the definitions of the metadata elements, please go to the Water Quality Portal user guide

Location Metadata Value
OrganizationIdentifier OREGONDEQ
OrganizationFormalName State of Oregon Dept. of Environmental Quality
MonitoringLocationIdentifier OREGONDEQ-10463-ORDEQ
MonitoringLocationName Tualatin River at Golf Course Road
MonitoringLocationTypeName River/Stream
HUCEightDigitCode 17090010
LatitudeMeasure 45.5022246700
LongitudeMeasure -123.0562427000
SourceMapScaleNumeric 24000
HorizontalCollectionMethodName Interpolation-Digital Map Source
HorizontalCoordinateReferenceSystemDatumName NAD83
CountryCode US
StateCode 41
CountyCode 067
ProviderName STORET