Well water testing labs in Walker 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 Walker 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 |
|---|---|---|---|---|
| Chaparral Laboratories, Inc. | Huntsville | Yes | Call | (936) 291-1881 |
Chaparral Laboratories, Inc.
861 State Highway 19 South, Huntsville, TX 77320 · map (OpenStreetMap)
Phone: (936) 291-1881
Bacteria (total coliform / E. coli)Lead & copperWater quality parameters
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