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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.

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WQP Home >  Providers >  STORET >  21CABCH >  21CABCH-1146

Luffenholtz Creek (21CABCH-1146) site data in the Water Quality Portal

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

This ocean site, maintained by the Southern California Coastal Water Research Project (BEACH) (identifier 21CABCH), has the name "Luffenholtz Creek" and has the identifier 21CABCH-1146. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)18010102.

This site is located in Humboldt County County, California at 41.0423000000 degrees latitude and -124.1208400000 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 "21CABCH-1146" 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*
Microbiological 2007 - 2010
*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 21CABCH
OrganizationFormalName Southern California Coastal Water Research Project (BEACH)
MonitoringLocationIdentifier 21CABCH-1146
MonitoringLocationName Luffenholtz Creek
MonitoringLocationTypeName Ocean
HUCEightDigitCode 18010102
LatitudeMeasure 41.0423000000
LongitudeMeasure -124.1208400000
SourceMapScaleNumeric 12500
HorizontalCollectionMethodName Interpolation-Map
HorizontalCoordinateReferenceSystemDatumName NAD27
CountryCode US
StateCode 06
CountyCode 023
ProviderName STORET