City of Sherman Utilities Laboratory
Water testing lab in Sherman, Grayson 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 Sherman Utilities Laboratory
288 Post Oak Road, Sherman, TX 75090 · map (OpenStreetMap)
Phone: (903) 892-7287
Bacteria (total coliform / E. coli)