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Is Cinco Ranch, TX tap water safe?

15 utilities serve Cinco Ranch, 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 15 utilities serving Cinco Ranch has a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s and Texas’s records.

Harris County MUD 81, which serves the most people here, has 2 results above the health goal and 1 result above EPA’s health benchmark. The worst: Lithium at 31.9 ppb, above EPA’s health benchmark. Health goals are stricter than legal limits and are not enforced.

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 Cinco Ranch’s ZIP codes, from EPA’s estimates.

5 more utilities in Cinco Ranch

By EPA’s estimate, each serves fewer people in Cinco Ranch than those above.

  • Grand Lakes MUD 1serves 3,219 people · about 510 in Cinco Ranch · no health-based violations since 2016
  • West Memorial MUDserves 4,182 people · about 510 in Cinco Ranch · no health-based violations since 2016
  • Cinco MUD 8serves 5,613 people · about 440 in Cinco Ranch · no health-based violations since 2016
  • Cinco MUD 6serves 3,048 people · about 420 in Cinco Ranch · no health-based violations since 2016
  • Fort Bend County MUD 151serves 10,233 people · about 390 in Cinco Ranch · no health-based violations since 2016

MUD stands for municipal utility district, a local water and sewer district common in Texas.

What handles it

Each of these is certified, on a certifier’s listing, for a result above a line in Harris County MUD 81’s water, which serves the most people here. Another utility’s report names what handles its own results.

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Every claim, and more filters, in the full report

Water testing near Cinco Ranch

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 Cinco Ranch, in a straight line. Call first: certification is test by test, and not every lab takes samples from homeowners.

  • R&C Joy, Inc.

    Katy, TX · about 7 miles

    Certified for bacteria

    (281) 858-5988

  • ALS Laboratory Group, Environmental Services Division – Houston, Texas

    Houston, TX · about 13 miles

    Certified for lead and copper

    (281) 530-5656

  • Envirodyne Laboratories, Inc.

    Houston, TX · about 13 miles

    Certified for bacteria, lead and copper

    (281) 568-7880

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 Cinco Ranch

Which ZIP codes are in Cinco Ranch: 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.

Near Cinco Ranch

Other towns in Harris County with a page of their own.

What to do next