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Laboratory Services


About Us

The San Antonio River Authority (SARA) Regional Environmental Laboratory offers analytical testing services throughout Texas for drinking and non-potable water, soil and chemical materials, and environmental water quality monitoring efforts. The laboratory began operating in 1966 with the sole focus of supporting SARA wastewater treatment plant operations. Through the decades, the laboratory has expanded its scope of testing services to include drinking water regulatory compliance monitoring, surface water, stormwater, and molecular science bacterial source tracking.  In 2008, the SARA Regional Environmental Laboratory obtained certification from the National Environmental Laboratory Accreditation Program (NELAP). As an accredited laboratory, our data is used by the Texas Commission on Environmental Quality (TCEQ) and other regulatory agencies for permitting, compliance, remediation, and water quality assessments.

Current lab customers include:

  • Municipalities
  • Water purveyors
  • Public Water Systems
  • Wastewater treatment plants
  • Consultants
  • Water bottling companies
  • Other laboratories
  • Private Well Owners
  • General Public
  • Storm Water

Laboratory Accreditation

The SARA Environmental Sciences Laboratory is accredited by the Texas Commission on Environmental Quality for the analysis of Drinking Water and Non-Potable water and Solid and Chemical Materials. Please refer to our Fields of Accreditation for Analysis that SARA is accredited to perform.

Fields of Accreditation

 Staff Qualifications

Our scientists have backgrounds in Chemistry, Biology, Environmental Science, or a related scientific discipline. All scientists are certified through Texas Water Utility Association, and may also hold Certified Environmental Scientist or Texas Master Naturalist certifications. In addition, many of our scientists are members of professional organizations to stay abreast of developing technologies and regulations. These organizations include, but are not limited to, The NELAC Institute, Alamo Laboratory Analyst Chapter, Association of Laboratory Managers, Society of Environmental Toxicology and Chemistry, and National Registry of Environmental Professionals.

Lead and Copper Monitoring Program

The Laboratory is currently one of a few TNI accredited laboratories in Texas offering Lead and Copper analysis to Public Drinking Water Systems for compliance with the Lead and Copper Monitoring Program. Samples submitted under this Program require specific forms.

Please contact the laboratory at (210) 302-3649 or for sample containers and additional information.