Is Mountain City, TX tap water safe?
The short answer
2 of the 4 utilities serving Mountain City have a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s and Texas’s records: Goforth SUD and City of Kyle.
Goforth SUD, which serves the most people here, has 1 result above the legal limit. The worst: Total trihalomethanes (TTHM) at 69.2 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 Mountain City’s ZIP codes, from EPA’s estimates.
- Open report
Goforth SUD
Texas · serves 34,893 people · under 100 in Mountain City
1 result above the legal limit. The worst: Total trihalomethanes (TTHM) at 69.2 ppb, above the legal limit.
2 health-based violations since 2016
- Open report
City of Buda
Texas · serves 13,830 people · under 100 in Mountain City
2 results above the health goal. The worst: Lead at 1.5 ppb, above the health goal.
No health-based violations since 2016
- Open report
City of Kyle
Texas · serves 52,000 people · under 100 in Mountain City
1 result above the health goal. The worst: Lead at 1.9 ppb, above the health goal.
1 health-based violation since 2016
- Open report
City of Mountain City
Texas · serves 725 people · under 100 in Mountain City
1 result above the health goal. The worst: Lead at 1.2 ppb, above the health goal.
No health-based violations since 2016
What handles it
Each of these is certified, on a certifier’s listing, for a result above a line in Goforth SUD’s water, which serves the most people here. Another utility’s report names what handles its own results.
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Aquasana Clean Water Machine (AQ-CWM2)
Countertop
- WQA listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 401checked Oct. 9, 2026
Certified for: Total trihalomethanes (TTHM)
Brita Hub Countertop Water Filter System (87340)
Countertop
- WQA listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 401checked Oct. 9, 2026
- IAPMO listing:NSF/ANSI 53checked Oct. 9, 2026
Certified for: Total trihalomethanes (TTHM)
Ninja HydraSense Countertop Water Filtration System (WF1001)
Countertop
- IAPMO listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 401checked Oct. 9, 2026
Certified for: Total trihalomethanes (TTHM)
Water testing near Mountain City
The 3 labs Texas certifies closest to Mountain City, in a straight line. Call first: certification is test by test, and not every lab takes samples from homeowners.
Aqua-Tech Laboratories, Inc.
Austin, TX · about 12 miles
Certified for bacteria, lead and copper
Edwards Aquifer Research & Data Center, Texas State University
San Marcos, TX · about 14 miles
Certified for bacteria
Texas Department of State Health Services Laboratory Services Section
Austin, TX · about 20 miles
Certified for bacteria, lead and copper
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 Mountain City: 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 Mountain City
Other towns in Travis County with a page of their own.
What to do next
- Read Goforth SUD’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