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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-10821-ORDEQ

Willamette River at St. John's Bridge (OREGONDEQ-10821-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 "Willamette River at St. John's Bridge" and has the identifier OREGONDEQ-10821-ORDEQ. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)17090012.

This site is located in Multnomah County County, Oregon at 45.5851523600 degrees latitude and -122.7645661000 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-10821-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*
Cyanotoxins, Phytotoxins 2014 - 2014
Information 2010 - 2016
Inorganics, Major, Metals 2016 - 2020
Inorganics, Major, Non-metals 2004 - 2020
Inorganics, Minor, Metals 1984 - 2020
Inorganics, Minor, Non-metals 1984 - 2020
Microbiological 1968 - 1968
Not Assigned 1984 - 2016
Nutrient 2016 - 2020
Organics, BDEs 1984 - 2016
Organics, Other 1984 - 2020
Organics, PCBs 1984 - 2016
Organics, Pesticide 1984 - 2016
Physical 2004 - 2020
Radiochemical 2016 - 2016
Stable Isotopes 1988 - 2016
*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-10821-ORDEQ
MonitoringLocationName Willamette River at St. John's Bridge
MonitoringLocationTypeName River/Stream
HUCEightDigitCode 17090012
LatitudeMeasure 45.5851523600
LongitudeMeasure -122.7645661000
SourceMapScaleNumeric 24000
HorizontalCollectionMethodName Interpolation-Digital Map Source
HorizontalCoordinateReferenceSystemDatumName NAD83
CountryCode US
StateCode 41
CountyCode 051
ProviderName STORET