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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 legacy user interface will continue to function for several weeks. However, this user interface only serves WQX2.2 profiles, which do NOT contain USGS data added after March 11, 2024.

WQP Home >  Providers >  STORET >  NARS >  NARS-WORP99-0666

CHEHELEM CREEK TRIBUTARY (NARS-WORP99-0666) 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 EPA National Aquatic Resource Survey Data (identifier NARS), has the name "CHEHELEM CREEK TRIBUTARY" and has the identifier NARS-WORP99-0666. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)17090007.

This site is located in Yamhill County County, Oregon at 45.3300000 degrees latitude and -123.0500000 degrees longitude using the datum NAD27. No horizontal location accuracy metadata is available. This site is at an elevation of 62 m No vertical location accuracy metadata is available.

To download the metadata about this site along with water quality data, go to the Portal Page and enter "NARS-WORP99-0666" 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*
Inorganics, Major, Metals 2001 - 2001
Inorganics, Major, Non-metals 2001 - 2001
Inorganics, Minor, Metals 2001 - 2001
Inorganics, Minor, Non-metals 2001 - 2001
Nutrient 2001 - 2001
Organics, Other 2001 - 2001
Physical 2001 - 2001
*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 NARS
OrganizationFormalName EPA National Aquatic Resource Survey Data
MonitoringLocationIdentifier NARS-WORP99-0666
MonitoringLocationName CHEHELEM CREEK TRIBUTARY
MonitoringLocationTypeName River/Stream
MonitoringLocationDescriptionText FLOW is WADEABLE/SITE TYPE is EMAPPROB/Strahler Stream Order is 2/WATERSHED AREA is 11.7149km^2/Station Weight (km): 587.7617/IBI Score: 9.558/OE Taxa Loss: 0.47
HUCEightDigitCode 17090007
LatitudeMeasure 45.3300000
LongitudeMeasure -123.0500000
HorizontalCollectionMethodName Interpolation-Digital Map Source (Tiger)
HorizontalCoordinateReferenceSystemDatumName NAD27
VerticalMeasure/MeasureValue 62
VerticalMeasure/MeasureUnitCode m
VerticalCollectionMethodName Photogrammetric
VerticalCoordinateReferenceSystemDatumName NAVD88
CountryCode US
StateCode 41
CountyCode 071
ProviderName STORET