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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-CL1

Colorado River @ Laughlin (21NEV1_WQX-CL1) 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 "Colorado River @ Laughlin" and has the identifier 21NEV1_WQX-CL1. 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 35.1702805000 degrees latitude and -114.5703964000 degrees longitude using the datum NAD83. No horizontal location accuracy metadata is available. This site is at an elevation of 680.00 ft 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 "21NEV1_WQX-CL1" 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 - 2005
Inorganics, Major, Non-metals 1999 - 2005
Inorganics, Minor, Metals 1999 - 2005
Inorganics, Minor, Non-metals 1999 - 2005
Microbiological 1999 - 2005
Nutrient 1999 - 2005
Physical 1999 - 2005
*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-CL1
MonitoringLocationName Colorado River @ Laughlin
MonitoringLocationTypeName River/Stream
MonitoringLocationDescriptionText COLORADO RIVER LONG TERM MONITORING SITE. SITE HAS BEEN TEMPORARILY DISCONTINUED UNTIL NEXT STANDARDS REVIEW OF THE COLORADO RIVER BASIN. SAMPLES WERE TAKEN ON A QUARTERLY BASIS BY NDEP PERSONNEL. NBEH (PRECURSOR TO NDEP) BEGAN SAMPLING THIS SITE ON 06
HUCEightDigitCode 15030101
LatitudeMeasure 35.1702805000
LongitudeMeasure -114.5703964000
HorizontalCollectionMethodName Unknown
HorizontalCoordinateReferenceSystemDatumName NAD83
VerticalMeasure/MeasureValue 680.00
VerticalMeasure/MeasureUnitCode ft
VerticalCollectionMethodName Topographic Map Interpolation
VerticalCoordinateReferenceSystemDatumName SEALV
CountryCode US
StateCode 32
CountyCode 003
ProviderName STORET