Well water testing labs in McLennan 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.
2 accredited labs listed in McLennan 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 |
|---|---|---|---|---|
| Bio-Chem Lab, Inc. | West | Yes | Call | (254) 829-8001 |
| City of Waco Regional Water Quality Laboratory | Waco | Yes | Call | (254) 750-1664 |
Bio-Chem Lab, Inc.
4751 Tokio Road, West, TX 76691 · map (OpenStreetMap)
Phone: (254) 829-8001
Bacteria (total coliform / E. coli)Lead & copperWater quality parameters
City of Waco Regional Water Quality Laboratory
5701 Lakeshore Drive, Waco, TX 76710 · map (OpenStreetMap)
Phone: (254) 750-1664
Bacteria (total coliform / E. coli)Water quality parameters
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