City of Waco Regional Water Quality Laboratory
Water testing lab in Waco, McLennan County, Texas.
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.
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