Texas Institute for Applied Environmental Research (TIAER)
Water testing lab in Stephenville, Erath 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.
Texas Institute for Applied Environmental Research (TIAER)
201 North Saint Felix Street, Stephenville, TX 76401 · map (OpenStreetMap)
Phone: (254) 968-9570
Bacteria (total coliform / E. coli)