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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 >  NWIS >  USGS-CA >  USGS-342000117580001

003N010W18LS01S (USGS-342000117580001) site data in the Water Quality Portal

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

This spring site, maintained by the USGS California Water Science Center (identifier USGS-CA), has the name "003N010W18LS01S" and has the identifier USGS-342000117580001. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)18090206. See more details of this site the the USGS NWIS Web page for this site.

This site is located in Los Angeles County County, California at 34.34488889000000 degrees latitude and -117.9683056000000 degrees longitude using the datum NAD83. The horizontal location collection method was "Mapping grade GPS unit (handheld accuracy range 12 to 40 ft)" and the accuracy is .5 seconds. The source map scale is 1:24000. This site is at an elevation of 6200 feet and the accuracy of the elevation measurement, collected using the method "Interpolated from topographic map." is 20 feet. The vertical coordinate reference system is NGVD29.

The well was contructed on 19780915.

To download the metadata about this site along with water quality data, go to the Portal Page and enter "USGS-342000117580001" 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 2011 - 2021
Inorganics, Major, Metals 2011 - 2021
Inorganics, Major, Non-metals 2011 - 2021
Inorganics, Minor, Metals 2011 - 2021
Inorganics, Minor, Non-metals 2011 - 2021
Nutrient 2011 - 2021
Organics, Other 2011 - 2021
Organics, PFAS 2021 - 2021
Organics, Pesticide 2011 - 2021
PFAS,Perfluorinated Alkyl Substance 2016 - 2021
PFOA, Perfluorooctanoic Acid 2021 - 2021
Physical 2011 - 2021
Radiochemical 2011 - 2021
Stable Isotopes 2011 - 2021
*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 USGS-CA
OrganizationFormalName USGS California Water Science Center
MonitoringLocationIdentifier USGS-342000117580001
MonitoringLocationName 003N010W18LS01S
MonitoringLocationTypeName Spring
HUCEightDigitCode 18090206
LatitudeMeasure 34.34488889000000
LongitudeMeasure -117.9683056000000
SourceMapScaleNumeric 24000
HorizontalAccuracyMeasure/MeasureValue .5
HorizontalAccuracyMeasure/MeasureUnitCode seconds
HorizontalCollectionMethodName Mapping grade GPS unit (handheld accuracy range 12 to 40 ft)
HorizontalCoordinateReferenceSystemDatumName NAD83
VerticalMeasure/MeasureValue 6200
VerticalMeasure/MeasureUnitCode feet
VerticalAccuracyMeasure/MeasureValue 20
VerticalAccuracyMeasure/MeasureUnitCode feet
VerticalCollectionMethodName Interpolated from topographic map.
VerticalCoordinateReferenceSystemDatumName NGVD29
CountryCode US
StateCode 06
CountyCode 037
ConstructionDateText 19780915
ProviderName NWIS