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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-341900117490001

003N009W28C001S (USGS-341900117490001) site data in the Water Quality Portal

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

This well site, maintained by the USGS California Water Science Center (identifier USGS-CA), has the name "003N009W28C001S" and has the identifier USGS-341900117490001. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)18070106. 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 34.32277778000000 degrees latitude and -117.8318889000000 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 5644 feet and the accuracy of the elevation measurement, collected using the method "Interpolated from Digital Elevation Model" is 20 feet. The vertical coordinate reference system is NAVD88.

The well was contructed on 19920122. The well depth is 250 ft. The well hole depth is 250 ft.

To download the metadata about this site along with water quality data, go to the Portal Page and enter "USGS-341900117490001" 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 - 2011
Inorganics, Major, Metals 2011 - 2011
Inorganics, Major, Non-metals 2011 - 2011
Inorganics, Minor, Metals 2011 - 2011
Inorganics, Minor, Non-metals 2011 - 2011
Nutrient 2011 - 2011
Organics, Other 2011 - 2011
Organics, Pesticide 2011 - 2011
Physical 2011 - 2011
Radiochemical 2011 - 2011
Stable Isotopes 2011 - 2011
*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-341900117490001
MonitoringLocationName 003N009W28C001S
MonitoringLocationTypeName Well
HUCEightDigitCode 18070106
LatitudeMeasure 34.32277778000000
LongitudeMeasure -117.8318889000000
SourceMapScaleNumeric 24000
HorizontalAccuracyMeasure/MeasureValue .5
HorizontalAccuracyMeasure/MeasureUnitCode seconds
HorizontalCollectionMethodName Mapping grade GPS unit (handheld accuracy range 12 to 40 ft)
HorizontalCoordinateReferenceSystemDatumName NAD83
VerticalMeasure/MeasureValue 5644
VerticalMeasure/MeasureUnitCode feet
VerticalAccuracyMeasure/MeasureValue 20
VerticalAccuracyMeasure/MeasureUnitCode feet
VerticalCollectionMethodName Interpolated from Digital Elevation Model
VerticalCoordinateReferenceSystemDatumName NAVD88
CountryCode US
StateCode 06
CountyCode 037
ConstructionDateText 19920122
WellDepthMeasure/MeasureValue 250
WellDepthMeasure/MeasureUnitCode ft
WellHoleDepthMeasure/MeasureValue 250
WellHoleDepthMeasure/MeasureUnitCode ft
ProviderName NWIS