Is West Lake Hills, TX tap water safe?
The short answer
2 of the 6 utilities serving West Lake Hills 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 Austin Water & Wastewater and West Travis County Public Utility Agency.
City of Austin Water & Wastewater, which serves the most people here, has 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.
The water from City of Austin Water & Wastewater is moderately hard on average, 93 mg/L (5.4 grains per gallon), ranging from 70 to 126 mg/L. How it compares.
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 West Lake Hills’s ZIP codes, from EPA’s estimates.
- Open report
City of Austin Water & Wastewater
Texas · serves 1.1 million people · about 2,000 in West Lake Hills
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
Travis County WCID 10
Texas · serves 9,204 people · about 1,200 in West Lake Hills
1 result above EPA’s new limit, which takes effect in 2029. The worst: PFOS at 5.5 ppt, above EPA’s new limit, which takes effect in 2029.
No health-based violations since 2016
- Open report
Loop 360 WSC
Texas · serves 1,743 people · about 380 in West Lake Hills
1 result above the health goal. The worst: Lead at 4.8 ppb, above the health goal.
No health-based violations since 2016
- Open report
City of Rollingwood
Texas · serves 1,611 people · about 230 in West Lake Hills
Nothing in its records is above a health goal.
No health-based violations since 2016
- Open report
Rivercrest WS
Texas · serves 1,437 people · about 230 in West Lake Hills
1 result above the health goal. The worst: Lead at 1.4 ppb, above the health goal.
No health-based violations since 2016
- Open report
West Travis County Public Utility Agency
Texas · serves 35,664 people · under 100 in West Lake Hills
1 result above the health goal. The worst: Lead at 2.2 ppb, above the health goal.
3 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 City of Austin Water & Wastewater’s water, which serves the most people here. Another utility’s report names what handles its own results.
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ZeroWater 10 Cup Pitcher (ZP-010)
Pitcher
- IAPMO listing:NSF/ANSI 42NSF/ANSI 53checked Oct. 4, 2026
Certified for: PFOS
Aquasana Claryum Direct Connect (AQ-MF-1)
Under-sink carbon
- IAPMO listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 401checked Oct. 16, 2026
Certified for: PFOS
Express Water StreamLine Direct Connect System (USC001)
Under-sink carbon
- IAPMO listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 401checked Oct. 16, 2026
Certified for: PFOS
Water testing near West Lake Hills
The 3 labs Texas certifies closest to West Lake Hills, in a straight line. Call first: certification is test by test, and not every lab takes samples from homeowners.
Texas Department of State Health Services Laboratory Services Section
Austin, TX · about 4 miles
Certified for bacteria, lead and copper
Integrity Testing, Inc.
Austin, TX · about 8 miles
Certified for lead and copper
Aqua-Tech Laboratories, Inc.
Austin, TX · about 10 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 TexasZIP codes in West Lake Hills
Which ZIP codes are in West Lake Hills: 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 West Lake Hills
Other towns in Travis County with a page of their own.
What to do next
- Read City of Austin Water & Wastewater’s full reportEvery result with its dates, the violations, and the certification claim that handles each finding.Open the report
- Filters for PFOSRanked by certification and what they cost over five years.The best water filters for PFAS, ranked
- On a private well?No utility tests a well. A certified lab test is the first step.How to test well water