Sweetwater – Nolan County Health Department
Homeowner samples
- Coliform Bacteria
Listed on the official state certified laboratory list.
Accredited by the TCEQ Texas Laboratory Accreditation Program (NELAP) for drinking water analyses (lab code T104704330): Microbiology. Accreditation scope current through 2026-09-30. Public health laboratory; ask about bacteria and nitrate testing for private wells.
Bacteria samples need a sterile bottle from the lab. Chemistry samples usually take a clean container the lab supplies.
Skip softeners and filters. Remove the aerator, run the water 3 to 5 minutes, then fill without touching the inside of the cap.
Bacteria samples are time-sensitive. Use a cooler with ice packs and hand it in or ship it the same day.
Compare results with EPA drinking water limits. If anything is over, our problem pages explain what it means and how to treat it.
Homeowner samples