Is Mustang Ridge, TX tap water safe?
The short answer
2 of the 9 utilities serving Mustang Ridge 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 Austin Water & Wastewater.
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 Mustang Ridge’s ZIP codes, from EPA’s estimates.
- Open report
Goforth SUD
Texas · serves 34,893 people · about 460 in Mustang Ridge
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 Austin Water & Wastewater
Texas · serves 1.1 million people · about 390 in Mustang Ridge
1 result above EPA’s new limit, which takes effect in 2029. The worst: PFOS at 4.8 ppt, above EPA’s new limit, which takes effect in 2029. Hardness: moderately hard on average, 93 mg/L (5.4 grains per gallon), ranging from 70 to 126 mg/L.
5 health-based violations since 2016
- Open report
City of Buda
Texas · serves 13,830 people · about 310 in Mustang Ridge
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
Creedmoor Maha WSC
Texas · serves 8,907 people · about 120 in Mustang Ridge
1 result above the health goal and 1 result above EPA’s health benchmark. The worst: Lithium at 65.5 ppb, above EPA’s health benchmark.
No health-based violations since 2016
- Open report
South Buda WCID 1
Texas · serves 2,517 people · under 100 in Mustang Ridge
1 result above the health goal. The worst: Lead at 0.83 ppb, above the health goal.
No health-based violations since 2016
- Open report
Aqua WSC
Texas · serves 86,325 people · under 100 in Mustang Ridge
2 results above the health goal and 1 result above EPA’s health benchmark. The worst: Lithium at 83 ppb, above EPA’s health benchmark.
No health-based violations since 2016
- Open report
Cimarron Park Water
Texas · serves 2,079 people · under 100 in Mustang Ridge
2 results above the health goal. The worst: Lead at 3.3 ppb, above the health goal.
No health-based violations since 2016
- Open report
Plum Creek
Texas · serves 7,065 people · under 100 in Mustang Ridge
1 result above the health goal and 1 result above EPA’s health benchmark. The worst: Lithium at 19.1 ppb, above EPA’s health benchmark.
No health-based violations since 2016
- Open report
Leisurewoods Water
Texas · serves 1,338 people · under 100 in Mustang Ridge
2 results above the health goal. The worst: Lead at 3.5 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 Mustang Ridge
The 3 labs Texas certifies closest to Mustang Ridge, 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 9 miles
Certified for bacteria, lead and copper
Texas Department of State Health Services Laboratory Services Section
Austin, TX · about 19 miles
Certified for bacteria, lead and copper
Edwards Aquifer Research & Data Center, Texas State University
San Marcos, TX · about 19 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 Mustang Ridge: 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 Mustang Ridge
Towns nearby 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