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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 >  21NEV1_WQX >  21NEV1_WQX-E4

Owyhee River above Mill Creek (21NEV1_WQX-E4) 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 Nevada Division of Environmental Protection (identifier 21NEV1_WQX), has the name "Owyhee River above Mill Creek" and has the identifier 21NEV1_WQX-E4. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)17050104.

This site is located in Elko County County, Nevada at 41.7890587000 degrees latitude and -115.9504013000 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 "21NEV1_WQX-E4" 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 1999 - 2025
Inorganics, Major, Non-metals 1999 - 2025
Inorganics, Minor, Metals 1999 - 2025
Inorganics, Minor, Non-metals 1999 - 2025
Microbiological 1999 - 2025
Nutrient 1999 - 2025
Physical 1999 - 2025
*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 21NEV1_WQX
OrganizationFormalName Nevada Division of Environmental Protection
MonitoringLocationIdentifier 21NEV1_WQX-E4
MonitoringLocationName Owyhee River above Mill Creek
MonitoringLocationTypeName River/Stream
MonitoringLocationDescriptionText SNAKE RIVER DRAINAGE LONG TERM MONITORING SITE. SAMPLES WERE TAKEN ANNUALLY FROM 06-28-1988 AND INCREASED TO THREE TIMES A YEAR ON 03-28-1995 AND DECREASED TO SEMI-ANNUALLY IN 2008 BY NDEP PERSONNEL. NBEH (PRECURSOR TO NDEP) BEGAN SAMPLING AT THIS SITE
HUCEightDigitCode 17050104
LatitudeMeasure 41.7890587000
LongitudeMeasure -115.9504013000
HorizontalCollectionMethodName Unknown
HorizontalCoordinateReferenceSystemDatumName NAD83
CountryCode US
StateCode 32
CountyCode 007
ProviderName STORET