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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-10363-ORDEQ

Yamhill River at Dayton (OREGONDEQ-10363-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 "Yamhill River at Dayton" and has the identifier OREGONDEQ-10363-ORDEQ. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)17090008.

This site is located in Yamhill County County, Oregon at 45.2231019900 degrees latitude and -123.0721362000 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-10363-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 1982 - 2025
Biological, Algae, Phytoplankton 1982 - 2025
Information 2008 - 2016
Inorganics, Major, Metals 1991 - 2024
Inorganics, Major, Non-metals 1966 - 2024
Inorganics, Minor, Metals 1984 - 2024
Inorganics, Minor, Non-metals 1984 - 2024
Microbiological 1957 - 2025
Not Assigned 1984 - 2021
Nutrient 1966 - 2025
Organics, BDEs 1984 - 2021
Organics, Other 1982 - 2025
Organics, PCBs 1984 - 2016
Organics, Pesticide 1984 - 2024
Physical 1957 - 2025
Radiochemical 2008 - 2021
Stable Isotopes 2008 - 2021
*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-10363-ORDEQ
MonitoringLocationName Yamhill River at Dayton
MonitoringLocationTypeName River/Stream
HUCEightDigitCode 17090008
LatitudeMeasure 45.2231019900
LongitudeMeasure -123.0721362000
SourceMapScaleNumeric 24000
HorizontalCollectionMethodName Interpolation-Digital Map Source
HorizontalCoordinateReferenceSystemDatumName NAD83
CountryCode US
StateCode 41
CountyCode 071
ProviderName STORET