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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 >  11NPSWRD_WQX >  11NPSWRD_WQX-LAKE_LANL_CAT4

POTHOLE SAMPLING SITE CAT-4 (11NPSWRD_WQX-LAKE_LANL_CAT4) site data in the Water Quality Portal

Data Provider: STORET (Learn more about Water Quality Portal Data Providers)

This lake site, maintained by the National Park Service Water Resources Division (identifier 11NPSWRD_WQX), has the name "POTHOLE SAMPLING SITE CAT-4" and has the identifier 11NPSWRD_WQX-LAKE_LANL_CAT4. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)15030101.

This site is located in Clark County County, Nevada at 35.2596944000 degrees latitude and -114.6867222000 degrees longitude using the datum NAD27. 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 "11NPSWRD_WQX-LAKE_LANL_CAT4" 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 1990 - 1990
Inorganics, Major, Non-metals 1990 - 1990
Inorganics, Minor, Metals 1990 - 1990
Inorganics, Minor, Non-metals 1990 - 1990
Organics, Other 1990 - 1990
Physical 1990 - 1990
Radiochemical 1990 - 1990
*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 11NPSWRD_WQX
OrganizationFormalName National Park Service Water Resources Division
MonitoringLocationIdentifier 11NPSWRD_WQX-LAKE_LANL_CAT4
MonitoringLocationName POTHOLE SAMPLING SITE CAT-4
MonitoringLocationTypeName Lake
MonitoringLocationDescriptionText THE STATION IS LOCATED ON THE SPIRIT MOUNTAIN AZCLARK CO. 7.5 MINUTE SERIES (TOPOGRAPHIC) QUADRANGLE. POTHOLE SAMPLING SITE CAT4 IS AT A POTHOLE NEAR THE CATACOMBS IN LAKE MEAD NATIONAL RECREATION AREA (LAME). DATA ARE FROM THE REPORT "CHEMICAL ANALYSIS OF SELECTED POTHOLE WATER SOURCES IN SOUTHWESTERN NATIONAL PARKS; MONUMENTS; AND RECREATION AREAS" BY ERNEST S. GLADNEY ET AL.; LOS ALAMOS NATIONAL LABORATORY; OCTOBER 1993. THE PURPOSE OF THE STUDY WAS TO ESTABLISH BASELINE CHEMICAL DATA ON POTHOLE ECOSYSTEMS IN ORDER TO MONITOR AIR POLLUTION EFFECTS. THE EXACT LOCATION OF THE SAMPLING SITE IS UNCERTAIN; A CENTRALIZED POINT IN THE STUDY AREA WAS USED. FOR MORE INFORMATION CONTACT NATURAL RESOURCES MANAGEMENT AT LAME; 601 NEVADA HIGHWAY; BOULDER CITY NV 89005; TEL. 7022938906. DATA WERE PROCESSED AND UPLOADED TO STORET BY MELANIE SCHNIER AT NPSWRD; 1201 OAK RIDGE DRIVE SUITE 250; FORT COLLINS CO 80525; TEL. 9702253516.*** Legacy STORET Station Type: /TYPA/AMBNT/LAKE
HUCEightDigitCode 15030101
LatitudeMeasure 35.2596944000
LongitudeMeasure -114.6867222000
SourceMapScaleNumeric 0
HorizontalCollectionMethodName Unknown
HorizontalCoordinateReferenceSystemDatumName NAD27
CountryCode US
StateCode 32
CountyCode 003
ProviderName STORET