Is San Angelo, TX tap water safe?
The short answer
9 of the 11 utilities serving San Angelo have 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 San Angelo, Goodfellow Air Force Base, Millersview Doole WSC and 6 more.
City of San Angelo, which serves the most people here, has 1 result above the legal limit, 3 results above the health goal and 1 result above EPA’s health benchmark. The worst: Total trihalomethanes (TTHM) at 82 ppb, above the 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 San Angelo’s ZIP codes, from EPA’s estimates.
- Open report
City of San Angelo
Texas · serves 105,229 people · about 27,800 in San Angelo
1 result above the legal limit, 3 results above the health goal and 1 result above EPA’s health benchmark. The worst: Total trihalomethanes (TTHM) at 82 ppb, above the legal limit.
2 health-based violations since 2016
- Open report
Goodfellow Air Force Base
Texas · serves 5,241 people · about 1,500 in San Angelo
1 result above the legal limit, 1 result above the health goal and 1 result above EPA’s health benchmark. The worst: Total trihalomethanes (TTHM) at 82.3 ppb, above the legal limit.
3 health-based violations since 2016
- Open report
Millersview Doole WSC
Texas · serves 3,987 people · about 180 in San Angelo
2 results above the legal limit, 1 result above the action level, 2 results above the health goal and 1 result above EPA’s health benchmark. The worst: Total trihalomethanes (TTHM) at 463 ppb, above the legal limit.
147 health-based violations since 2016
- Open report
Browns Pool and Park
Texas · serves 50 people · nearly all in San Angelo
3 results above the health goal. The worst: Arsenic at 2.0 ppb, above the health goal.
No health-based violations since 2016
- Open report
Concho Rural Water Grape Creek
Texas · serves 5,049 people · about 100 in San Angelo
2 results above the health goal and 1 result above EPA’s health benchmark. The worst: Lithium at 64.1 ppb, above EPA’s health benchmark.
2 health-based violations since 2016
- Open report
Red Creek MUD
Texas · serves 945 people · under 100 in San Angelo
1 result above the legal limit. The worst: Total trihalomethanes (TTHM) at 81.4 ppb, above the legal limit.
2 health-based violations since 2016
- Open report
Tom Green County FWSD 3
Texas · serves 1,002 people · under 100 in San Angelo
2 results above the health goal. The worst: Arsenic at 2.9 ppb, above the health goal.
1 health-based violation since 2016
- Open report
Concho Rural Water Pecan Creek
Texas · serves 1,275 people · under 100 in San Angelo
1 result above the legal limit and 2 results above the health goal. The worst: Total trihalomethanes (TTHM) at 84.3 ppb, above the legal limit.
4 health-based violations since 2016
- Open report
Concho Rural Water N Concho Lake Estates
Texas · serves 1,470 people · under 100 in San Angelo
1 result above the legal limit and 2 results above the health goal. The worst: Nitrate at 11.6 ppm, above the legal limit.
2 health-based violations since 2016
- Open report
West Texas Boys Ranch
Texas · serves 48 people · under 100 in San Angelo
2 results above the health goal. The worst: Arsenic at 2.9 ppb, above the health goal.
No health-based violations since 2016
1 more utility in San Angelo
By EPA’s estimate, each serves fewer people in San Angelo than those above.
- Twin Buttes Water Systemserves 42 people · under 100 in San Angelo · 6 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 City of San Angelo’s water, which serves the most people here. Another utility’s report names what handles its own results.
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Aquasana SmartFlow Reverse Osmosis (AQ-SFRO2)
Under-sink reverse osmosis
- WQA listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 58NSF/ANSI 401checked Oct. 9, 2026
Certified for: Total trihalomethanes (TTHM), Lead, Arsenic
Brondell Capella RC250 Reverse Osmosis System
Under-sink reverse osmosis
- WQA listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 58NSF/ANSI 401checked Oct. 9, 2026
Certified for: Total trihalomethanes (TTHM), Lead, Arsenic
Countertop reverse osmosis
- IAPMO listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 58NSF/ANSI 401checked Oct. 4, 2026
Certified for: Total trihalomethanes (TTHM), Lead, Arsenic
Water testing near San Angelo
The 2 labs Texas certifies closest to San Angelo, in a straight line. Call first: certification is test by test, and not every lab takes samples from homeowners.
SKG Engineering, LLC
San Angelo, TX · about 2 miles
Certified for bacteria
Sweetwater -Nolan County Health Department
Sweetwater, TX · about 69 miles
Certified for bacteria
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 TexasWhich ZIP codes are in San Angelo: 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 San Angelo
Towns nearby with a page of their own.
What to do next
- Read City of San Angelo’s full reportEvery result with its dates, the violations, and the certification claim that handles each finding.Open the report
- About Total trihalomethanes (TTHM)What it does to health, where it comes from, and the certification claim that addresses it.About Total trihalomethanes (TTHM)
- On a private well?No utility tests a well. A certified lab test is the first step.How to test well water