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Is Selma, TX tap water safe?

4 utilities serve Selma, by EPA’s records. Here is what EPA’s and Texas’s records show for each, against the legal limits and the stricter health goals.

Matched to your utility using EPA records.

The short answer

None of the 4 utilities serving Selma has a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s and Texas’s records.

City of Schertz, which serves the most people here, has 1 result above EPA’s health benchmark. The worst: Lithium at 17.6 ppb, above EPA’s health benchmark. A health benchmark is a level EPA screens with, not a legal limit.

A town can be served by more than one utility, and some homes are on private wells. The name on your water bill tells you which is yours, and your ZIP code narrows it down. They are listed by how many people each serves in Selma’s ZIP codes, from EPA’s estimates.

Water testing near Selma

A utility tests the water it sends out. A test of your own tap shows what your pipes add, and on a private well it is the only test there is. It takes a lab Texas certifies.

The 3 labs Texas certifies closest to Selma, in a straight line. Call first: certification is test by test, and not every lab takes samples from homeowners.

  • Wallgren Environmental Services dba Pollution Control Services

    Universal City, TX · about 2 miles

    Certified for bacteria, lead and copper

    (210) 340-0343

  • Alamo Analytical Laboratories, Ltd.

    San Antonio, TX · about 14 miles

    Certified for lead and copper

    (210) 340-8121

  • San Antonio Metropolitan Health District

    San Antonio, TX · about 18 miles

    Certified for bacteria

    (210) 207-8887

Texas Well Owner Network, Texas A&M AgriLife Extension: Well Informed screening events, where well owners bring in water samples to be screened for common contaminants, followed by an hour-long session explaining the results. Upcoming events are on the network's calendar. Trainings, Texas Well Owner Network.

All 80 certified labs for Texas

ZIP codes in Selma

Which ZIP codes are in Selma: Census 2020 relationship files. Which utilities serve them, and how many people: EPA SDWIS and EPA’s service area map. Each utility’s results: EPA UCMR 5, EPA SDWIS, and EPA’s and the state’s compliance monitoring, as its report lists them. How they are measured: methodology. Certified labs: TCEQ, drinking water laboratories approved for public water system samples; distances from the Census 2020 ZIP code tabulation area gazetteer.