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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 legacy user interface will continue to function for several weeks. However, this user interface only serves WQX2.2 profiles, which do NOT contain USGS data added after March 11, 2024.

WQP Home >  Providers >  STORET >  CEDEN >  CEDEN-TR00000_KHSA

Trinity River near mouth (Baseline) (CEDEN-TR00000_KHSA) 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 California State Water Resources Control Board (identifier CEDEN), has the name "Trinity River near mouth (Baseline)" and has the identifier CEDEN-TR00000_KHSA. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)18010211.

This site is located in Humboldt County County, California at 41.1846000000 degrees latitude and -123.7070000000 degrees longitude using the datum WGS84. 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 "CEDEN-TR00000_KHSA" 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*
Biological, Algae, Cyanobacteria 2009 - 2016
Biological, Algae, Phytoplankton, Photosynthetic Pigments 2009 - 2016
Nutrient 2009 - 2016
Organics, Other 2009 - 2016
Physical 2009 - 2016
*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 CEDEN
OrganizationFormalName California State Water Resources Control Board
MonitoringLocationIdentifier CEDEN-TR00000_KHSA
MonitoringLocationName Trinity River near mouth (Baseline)
MonitoringLocationTypeName River/Stream
HUCEightDigitCode 18010211
LatitudeMeasure 41.1846000000
LongitudeMeasure -123.7070000000
HorizontalCollectionMethodName Unknown
HorizontalCoordinateReferenceSystemDatumName WGS84
CountryCode US
StateCode 06
CountyCode 023
ProviderName STORET