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WQP Home >  Providers >  STORET >  TCEQMAIN >  TCEQMAIN-11892

SAN GABRIEL RIVER AT FM 487 (TCEQMAIN-11892) 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 "SAN GABRIEL RIVER AT FM 487" and has the identifier TCEQMAIN-11892. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)12070205.

This site is located in Milam County County, Texas at 30.7275000000 degrees latitude and -97.0388000000 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-11892" 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.

Leaflet USGS The National Map: National Boundaries Dataset, 3DEP Elevation Program, Geographic Names Information System, National Hydrography Dataset, National Land Cover Database, National Structures Dataset, and National Transportation Dataset; USGS Global Ecosystems; U.S. Census Bureau TIGER/Line data; USFS Road data; Natural Earth Data; U.S. Department of State HIU; NOAA National Centers for Environmental Information. Data refreshed February, 2025.

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 1987 - 2005
Biological, Algae, Phytoplankton, Photosynthetic Pigments 1985 - 2015
Biological, Counts 2011 - 2015
Information 1986 - 2015
Inorganics, Major, Metals 2003 - 2013
Inorganics, Major, Non-metals 1985 - 2015
Inorganics, Minor, Metals 2011 - 2013
Inorganics, Minor, Non-metals 2011 - 2013
Microbiological 1985 - 2015
Nutrient 1985 - 2015
Organics, Other 1990 - 2015
Physical 1985 - 2015
*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-11892
MonitoringLocationName SAN GABRIEL RIVER AT FM 487
MonitoringLocationTypeName River/Stream
HUCEightDigitCode 12070205
LatitudeMeasure 30.7275000000
LongitudeMeasure -97.0388000000
HorizontalCollectionMethodName Interpolation-Photo
HorizontalCoordinateReferenceSystemDatumName NAD83
CountryCode US
StateCode 48
CountyCode 331
ProviderName STORET