Skip to main content
U.S. flag

An official website of the United States government

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

WQP Home >  Providers >  STORET >  TCEQMAIN >  TCEQMAIN-10919

TRINITY RIVER AT US HWY 79 (TCEQMAIN-10919) 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 Texas Commission on Environmental Quality (identifier TCEQMAIN), has the name "TRINITY RIVER AT US HWY 79" and has the identifier TCEQMAIN-10919. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)12030201.

This site is located in Anderson County County, Texas at 31.6483000000 degrees latitude and -95.7896000000 degrees longitude using the datum NAD83. 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 "TCEQMAIN-10919" 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 1976 - 2001
Biological, Algae, Phytoplankton, Photosynthetic Pigments 1972 - 2023
Biological, Counts 2012 - 2017
Information 1985 - 2023
Inorganics, Major, Metals 1994 - 2001
Inorganics, Major, Non-metals 1972 - 2023
Inorganics, Minor, Metals 1975 - 2022
Inorganics, Minor, Non-metals 1975 - 2015
Microbiological 1972 - 2023
Nutrient 1972 - 2023
Organics, Other 1975 - 2023
Organics, PCBs 1976 - 1985
Organics, Pesticide 1976 - 1985
Physical 1972 - 2023
Stable Isotopes 1983 - 1984
*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 TCEQMAIN
OrganizationFormalName Texas Commission on Environmental Quality
MonitoringLocationIdentifier TCEQMAIN-10919
MonitoringLocationName TRINITY RIVER AT US HWY 79
MonitoringLocationTypeName River/Stream
HUCEightDigitCode 12030201
LatitudeMeasure 31.6483000000
LongitudeMeasure -95.7896000000
HorizontalCollectionMethodName Interpolation-Photo
HorizontalCoordinateReferenceSystemDatumName NAD83
CountryCode US
StateCode 48
CountyCode 001
ProviderName STORET