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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-10711-ORDEQ

Walla Walla River at Hwy 11 (Milton-Freewater) (OREGONDEQ-10711-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 "Walla Walla River at Hwy 11 (Milton-Freewater)" and has the identifier OREGONDEQ-10711-ORDEQ. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)17070102.

This site is located in Walla Walla County County, Washington at 46.0126237400 degrees latitude and -118.3896903000 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-10711-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*
Information 2016 - 2016
Inorganics, Major, Metals 1973 - 2024
Inorganics, Major, Non-metals 1967 - 2024
Inorganics, Minor, Metals 2016 - 2024
Inorganics, Minor, Non-metals 2016 - 2024
Microbiological 1967 - 1975
Not Assigned 2016 - 2016
Nutrient 1967 - 2024
Organics, BDEs 2016 - 2016
Organics, Other 2016 - 2024
Organics, PCBs 2016 - 2016
Organics, Pesticide 2016 - 2024
Physical 1967 - 2024
Radiochemical 2016 - 2016
Stable Isotopes 2016 - 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-10711-ORDEQ
MonitoringLocationName Walla Walla River at Hwy 11 (Milton-Freewater)
MonitoringLocationTypeName River/Stream
MonitoringLocationDescriptionText /TYPA/AMBNT/STREAM
HUCEightDigitCode 17070102
LatitudeMeasure 46.0126237400
LongitudeMeasure -118.3896903000
SourceMapScaleNumeric 24000
HorizontalCollectionMethodName Interpolation-Digital Map Source
HorizontalCoordinateReferenceSystemDatumName NAD83
CountryCode US
StateCode 53
CountyCode 071
ProviderName STORET