Forms, Links & FAQs


SARA Chain of Custody

Public Water System Chain of Custody

SARA Lab Analytical Report Guide


TCEQ Private Well Disinfection Document

Environmental Protection Agency (EPA) Drinking Water Contaminants

Texas Surface Water Quality Standards

TCEQ Surface Water Quality Standards Title 30, Part 1, Chapter 307 Rule 307.7

Frequently Asked Questions

Is your laboratory accredited?
Why should you use a NELAP accredited lab?
Is there one test that will tell me my water is safe to drink?
What do I do if my drinking water sample is positive for Total Coliform and/or E. coli?
Will the San Antonio River Authority collect my sample(s)?
Does the laboratory provide containers to collect samples?
Where is the laboratory located?
Who do I contact if I have not received my invoice or report?
Who do I contact if I have a question about my invoice or report?
How do I pay for my analysis?
Can I be billed for the analysis?
How do I set up an account with the laboratory?
How do I get my results?
When do I get my results?
Are you open on the weekends?