Laboratory Services


The San Antonio River Authority laboratory is a NELAP accredited laboratory that provides a wide range of analyses for drinking water, non-potable water testing, and solid and chemical materials. These analyses are available for a small fee to anyone wishing to have their water tested.

Current lab customers include:

  • Municipalities
  • Water purveyors
  • Public Water Systems
  • Wastewater treatment plants
  • Consultants
  • Water bottlers
  • 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

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Staff Qualifications

  • The laboratory staff consists of degreed professionals from across the state of Texas and beyond.
  • The ESD staff are members of professional organizations to stay abreast of developing technologies and regulations.
    • The NELAC Institute
    • Alamo Laboratory Analyst Chapter

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 for sample containers and additional information.