Tarrant County Public Health Laboratory
Water testing lab in Fort Worth, Tarrant 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.
Tarrant County Public Health Laboratory
1101 South Main Street, Suite 1700, Fort Worth, TX 76104 · map (OpenStreetMap)
Phone: (817) 321-4758
Bacteria (total coliform / E. coli)
Private wells: Yes – private-well bacteriology testing
Tests offered: Total coliform / E. coli
Published prices: Coliform presence/absence or enumeration: $30 per sample (+$15 on Fridays or the day before a holiday)
Kit / drop-off / mail: Get a bottle/kit from the North Texas Regional Laboratory, 1101 S. Main St., Fort Worth. Keep cold, submit within 24 hours: Mon–Thu by 5 p.m.; Fri/day before holiday by 4 p.m.