Well water testing labs in San Jacinto County, TX
Independent directory. Listings come from the TCEQ Public Water System Lab Map Table (updated 03/26/2026). These labs are accredited for public drinking-water samples; call first to confirm they accept private-well samples, which tests they run, sample bottles, drop-off hours and price.
1 accredited lab listed in San Jacinto County. Bacteria tests usually need a sterile bottle from the lab and delivery within about 30 hours, so check the lab's sample rules before you collect.
Quick answer
| Lab | City | Bacteria | Published price | Phone |
|---|---|---|---|---|
| Eastex Environmental Lab, Inc. - Coldspring | Coldspring | Yes | Call | (936) 653-3249 |
Eastex Environmental Lab, Inc. - Coldspring
35 Eastex Lane, Coldspring, TX 77331 · map (OpenStreetMap)
Phone: (936) 653-3249
Bacteria (total coliform / E. coli)Lead & copperWater quality parameters
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