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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-W5

West Fork Walker River @ Topaz Lane (21NEV1_WQX-W5) 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 "West Fork Walker River @ Topaz Lane" and has the identifier 21NEV1_WQX-W5. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)16050302.

This site is located in Mono County County, California at 38.6106415000 degrees latitude and -119.5175018000 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-W5" 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 2019 - 2020
Inorganics, Major, Metals 2018 - 2025
Inorganics, Major, Non-metals 2018 - 2025
Inorganics, Minor, Metals 2018 - 2025
Inorganics, Minor, Non-metals 2018 - 2025
Microbiological 2018 - 2025
Not Assigned 2019 - 2020
Nutrient 2018 - 2025
Organics, Other 2019 - 2020
Organics, PCBs 2019 - 2020
Organics, Pesticide 2019 - 2020
Physical 2018 - 2025
Stable Isotopes 2019 - 2020
*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-W5
MonitoringLocationName West Fork Walker River @ Topaz Lane
MonitoringLocationTypeName River/Stream
MonitoringLocationDescriptionText WALKER RIVER LONG TERM MONITORING SITE. WEST WALKER RIVER ABOVE TOPAZ RESERVOIR DIVERSION. SAMPLES WERE TAKEN ON A MONTHLY BASIS UNTIL 1983 AND THEN ON A BIMONTHLY BASIS UNTIL NOVEMBER 2004 AND SEMI-ANNUALLY AFTER OCTOBER 2005 BY NDEP PERSONNEL.
HUCEightDigitCode 16050302
LatitudeMeasure 38.6106415000
LongitudeMeasure -119.5175018000
HorizontalCollectionMethodName Unknown
HorizontalCoordinateReferenceSystemDatumName NAD83
CountryCode US
StateCode 06
CountyCode 051
ProviderName STORET