Water Testing Labs in Texas
Certified drinking water laboratories in Texas accredited for EPA-regulated contaminant testing, including bacteria, metals, nitrates, and PFAS.
Check your water report first — it’s free. Look up your public water system’s EPA compliance data before scheduling an independent test. Search by ZIP →
141 Certified Labs in Texas
← All StatesA & B Environmental Services, Inc.
NELAP certifiedTNI accredited
A & B Environmental Services, Inc. Golden Triangle
NELAP certifiedTNI accredited
Abilene - Taylor County Public Health District
NELAP certifiedTNI accredited
Advanced Analysis, Inc.
NELAP certifiedTNI accredited
Advanced Analytical Laboratories, LLC
NELAP certifiedTNI accredited
Alamo Analytical Laboratories, Ltd.
NELAP certifiedTNI accredited
Alamo Analytical Laboratories, Ltd. - El Paso
NELAP certifiedTNI accredited
Albion Environmental
NELAP certifiedTNI accredited
Alliance Technical Group - Carrollton, Texas
NELAP certifiedTNI accredited
ALS Laboratory Group, Environmental Services Division (Houston, Texas)
NELAP certifiedTNI accredited
Analytical Environmental Laboratory, LLC
NELAP certifiedTNI accredited
Analytical Food Laboratories, Inc.
NELAP certifiedTNI accredited
Angelina and Neches River Authority Environmental Laboratory
NELAP certifiedTNI accredited
Aqua Water Supply Corporation
NELAP certifiedTNI accredited
Aqua-Tech Laboratories, Inc.
NELAP certifiedTNI accredited
Armstrong Forensic Laboratory, Inc.
NELAP certifiedTNI accredited
B.A.T. Laboratories, LLC
NELAP certifiedTNI accredited
B3 Labs
NELAP certifiedTNI accredited
Bio-Chem Lab, Inc.
NELAP certifiedTNI accredited
BlueTriton Brands Dallas QA Lab
NELAP certifiedTNI accredited
BlueTriton Brands Pasadena QA Lab
NELAP certifiedTNI accredited
Brazoria County Health Department Water Laboratory
NELAP certifiedTNI accredited
Brazos River Authority Environmental Services Laboratory
NELAP certifiedTNI accredited
Brownsville Public Utilities Board Analytical Laboratory
NELAP certifiedTNI accredited
CHEMTEX - Corpus Christi
NELAP certifiedTNI accredited
City of Abilene Environmental Laboratory
NELAP certifiedTNI accredited
City of Amarillo Environmental Laboratory
NELAP certifiedTNI accredited
City of Arlington Water Utilities Laboratory Services
NELAP certifiedTNI accredited
City of Austin Water Utility Laboratory Services Division
NELAP certifiedTNI accredited
City of Beaumont Water Production Laboratory
NELAP certifiedTNI accredited
City of Borger Water Plant Laboratory
NELAP certifiedTNI accredited
City of Corpus Christi Water Utilities Laboratory
NELAP certifiedTNI accredited
City of Dallas Water Utilities Eastside Drinking Water Laboratory
NELAP certifiedTNI accredited
City of Dallas Water Utilities Elm Fork Plant Laboratory
NELAP certifiedTNI accredited
City of Denison Laboratory
NELAP certifiedTNI accredited
City of Denton Municipal Laboratory
NELAP certifiedTNI accredited
City of El Paso Department of Public Health
NELAP certifiedTNI accredited
City of Garland Water Utility Laboratory
NELAP certifiedTNI accredited
City of Houston - Drinking Water Regulatory Compliance Laboratory
NELAP certifiedTNI accredited
City of Houston Health Department, Bureau of Laboratory Services
NELAP certifiedTNI accredited
City of Huntsville Parker Creek Laboratory
NELAP certifiedTNI accredited
City of Kerrville Laboratory
NELAP certifiedTNI accredited
City of Laredo Public Health Department Laboratory
NELAP certifiedTNI accredited
City of Lewisville - Environmental Control Services Laboratory
NELAP certifiedTNI accredited
City of McAllen Central Laboratory
NELAP certifiedTNI accredited
City of Midland Utilities Laboratory
NELAP certifiedTNI accredited
City of Odessa Laboratory Services
NELAP certifiedTNI accredited
City of Pharr Water Laboratory
NELAP certifiedTNI accredited
City of Round Rock Environmental Services Laboratory
NELAP certifiedTNI accredited
City of San Angelo Water Quality Laboratory
NELAP certifiedTNI accredited
City of Sherman Utilities Laboratory
NELAP certifiedTNI accredited
City of Texarkana Water Utilities Laboratory
NELAP certifiedTNI accredited
City of Waco Regional Water Quality Laboratory
NELAP certifiedTNI accredited
City of Wichita Falls Cypress Environmental Laboratory
NELAP certifiedTNI accredited
Core Laboratories, LP
NELAP certifiedTNI accredited
Corpus Christi - Nueces County Public Health District Laboratory
NELAP certifiedTNI accredited
Crisp Analytical Labs, LLC
NELAP certifiedTNI accredited
Dallas County Park Cities Municipal Utility District
NELAP certifiedTNI accredited
Dallas Water Utilities - PALS Analytical Laboratory
NELAP certifiedTNI accredited
DFW Environmental Laboratories
NELAP certifiedTNI accredited
DHL Analytical, Inc.
NELAP certifiedTNI accredited
Earth Analytical Sciences, Inc.
NELAP certifiedTNI accredited
Eastex Environmental Laboratory, Inc. - Coldspring
NELAP certifiedTNI accredited
Eastex Environmental Laboratory, Nacogdoches
NELAP certifiedTNI accredited
Eastman Chemical Company, Environmental Laboratory, Texas Operations
NELAP certifiedTNI accredited
Edwards Aquifer Research and Data Center
NELAP certifiedTNI accredited
Element Materials Technology Houston LLC
NELAP certifiedTNI accredited
EMSL Analytical, Inc. - Houston
NELAP certifiedTNI accredited
Entech Engineering, Inc.
NELAP certifiedTNI accredited
Enthalpy Analytical, LLC - Deer Park
NELAP certifiedTNI accredited
Enthalpy Analytical, LLC - Houston
NELAP certifiedTNI accredited
Envirodyne Laboratories, Inc.
NELAP certifiedTNI accredited
Environmental Monitoring Laboratory, LLC
NELAP certifiedTNI accredited
Eurofins - Midland
NELAP certifiedTNI accredited
Eurofins Built Environment Testing Central - Pasadena, TX
NELAP certifiedTNI accredited
Eurofins Built Environment Testing Central, LLC - Houston, TX
NELAP certifiedTNI accredited
Eurofins Corpus Christi
NELAP certifiedTNI accredited
Eurofins Dallas
NELAP certifiedTNI accredited
Eurofins El Paso
NELAP certifiedTNI accredited
Eurofins Environment Testing Ecotoxicology
NELAP certifiedTNI accredited
EUROFINS ENVIRONMENT TESTING RADON LLC
NELAP certifiedTNI accredited
Eurofins Environment Testing South Central-SATL
NELAP certifiedTNI accredited
Eurofins Houston
NELAP certifiedTNI accredited
Eurofins Huntsville
NELAP certifiedTNI accredited
Eurofins Lubbock
NELAP certifiedTNI accredited
Eurofins TestAmerica - Houston
NELAP certifiedTNI accredited
GD Air Testing, Inc.
NELAP certifiedTNI accredited
Guadalupe-Blanco River Authority Regional Laboratory
NELAP certifiedTNI accredited
Gulf Coast Authority
NELAP certifiedTNI accredited
Harris County Pollution Control Services Department
NELAP certifiedTNI accredited
Huther and Associates, Inc.
NELAP certifiedTNI accredited
Integrity Testing, Inc.
NELAP certifiedTNI accredited
International Water Quality Laboratory
NELAP certifiedTNI accredited
Ion Testing Laboratory
NELAP certifiedTNI accredited
Lower Colorado River Authority - Environmental Laboratory Services
NELAP certifiedTNI accredited
Lower Neches Valley Authority - North Regional Treatment Plant Laboratory
NELAP certifiedTNI accredited
Montrose Air Quality Services, LLC
NELAP certifiedTNI accredited
Moody Labs LLC
NELAP certifiedTNI accredited
NASA Johnson Space Center Microbiology Laboratory
NELAP certifiedTNI accredited
North Texas Municipal Water District Environmental Laboratory
NELAP certifiedTNI accredited
North Water District Laboratory Services, Inc.
NELAP certifiedTNI accredited
North Water District Laboratory Services, Inc. Toxicology Laboratory
NELAP certifiedTNI accredited
Northeast Texas Public Health District Laboratory
NELAP certifiedTNI accredited
Nova Biologicals, Inc
NELAP certifiedTNI accredited
Nova Biologicals, Inc.
NELAP certifiedTNI accredited
Pace Analytical Services, LLC - Dallas, TX
NELAP certifiedTNI accredited
Permian Basin Environmental Lab, LP
NELAP certifiedTNI accredited
Precision Petroleum Labs, Inc.
NELAP certifiedTNI accredited
R&C Joy, Inc.
NELAP certifiedTNI accredited
Red River Authority of Texas Environmental Services Laboratory
NELAP certifiedTNI accredited
Sabine River Authority of Texas
NELAP certifiedTNI accredited
San Antonio Metropolitan Health District
NELAP certifiedTNI accredited
San Antonio River Authority Regional Environmental Laboratory
NELAP certifiedTNI accredited
San Antonio Water System Environmental Laboratory
NELAP certifiedTNI accredited
ServiTech, Inc. - Amarillo Location
NELAP certifiedTNI accredited
SGS North America Inc. Houston
NELAP certifiedTNI accredited
SKG Engineering, LLC
NELAP certifiedTNI accredited
Southwest Research Institute
NELAP certifiedTNI accredited
SPL, Inc – Kilgore
NELAP certifiedTNI accredited
SPL, Inc. – Plano
NELAP certifiedTNI accredited
Stillmeadow, Inc.
NELAP certifiedTNI accredited
Sunbelt Solomon Laboratory - TX
NELAP certifiedTNI accredited
Sweetwater - Nolan County Health Department
NELAP certifiedTNI accredited
Tarrant County Public Health Laboratory
NELAP certifiedTNI accredited
TCEQ Air and Emissions Laboratory
NELAP certifiedTNI accredited
TCEQ Sugar Land Laboratory
NELAP certifiedTNI accredited
Technical Testing International dba TTI Environmental Labs
NELAP certifiedTNI accredited
Texas Department of State Health Services / South Texas Laboratory
NELAP certifiedTNI accredited
Texas Department of State Health Services Laboratory - Austin
NELAP certifiedTNI accredited
Texas Institute for Applied Environmental Research (TIAER)
NELAP certifiedTNI accredited
Texas Research Institute for Environmental Studies
NELAP certifiedTNI accredited
The Texas Water Lab
NELAP certifiedTNI accredited
TRA RS&C Laboratory
NELAP certifiedTNI accredited
Trinity River Authority Lake Livingston Project Laboratory
NELAP certifiedTNI accredited
UGRA Environmental Laboratory
NELAP certifiedTNI accredited
Upper Leon River Municipal Water District
NELAP certifiedTNI accredited
Victoria County Public Health Department Water Laboratory
NELAP certifiedTNI accredited
Wallgren Environmental Services, Inc. dba Pollution Control Services
NELAP certifiedTNI accredited
Water Utility Services, Inc.
NELAP certifiedTNI accredited
Wichita Falls - Wichita County Public Health District Laboratory
NELAP certifiedTNI accredited
Xcel Energy - Amarillo Testing Laboratory
NELAP certifiedTNI accredited
About Texas Water Testing Certification
All laboratories listed have been certified by Texas’s state drinking water program. State-certified labs demonstrate proficiency in testing drinking water for contaminants regulated under the Safe Drinking Water Act. For private well testing, contact a lab directly to discuss the appropriate test panel for your area.
For public water systems, check EPA compliance data free at ClearWater. View Texas water systems →