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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 >  STORET >  TCEQMAIN >  TCEQMAIN-13648

SAN GABRIEL RIVER CR 428 (TCEQMAIN-13648) 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 CR 428" and has the identifier TCEQMAIN-13648. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)12070205.

This site is located in Williamson County County, Texas at 30.6947000000 degrees latitude and -97.2788000000 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-13648" 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 2015 - 2015
Biological, Algae, Phytoplankton 2012 - 2025
Biological, Counts 2011 - 2017
Information 2011 - 2025
Inorganics, Major, Metals 1981 - 1989
Inorganics, Major, Non-metals 1981 - 2025
Inorganics, Minor, Metals 1981 - 1989
Inorganics, Minor, Non-metals 1981 - 1989
Microbiological 2011 - 2025
Nutrient 1981 - 2025
Organics, Other 1981 - 2025
Physical 1981 - 2025
*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-13648
MonitoringLocationName SAN GABRIEL RIVER CR 428
MonitoringLocationTypeName River/Stream
HUCEightDigitCode 12070205
LatitudeMeasure 30.6947000000
LongitudeMeasure -97.2788000000
HorizontalCollectionMethodName Interpolation-Photo
HorizontalCoordinateReferenceSystemDatumName NAD83
CountryCode US
StateCode 48
CountyCode 491
ProviderName STORET