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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

Source: TCEQ PWS Lab Map Table (Map ID 10) · Last checked Oct 28, 2026

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

Source: TCEQ PWS Lab Map Table (Map ID 34) · Last checked Oct 28, 2026

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