Is Santa Rita Ranch, TX tap water safe?
The short answer
2 of the 4 utilities serving Santa Rita Ranch 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 Georgetown and City of Liberty Hill.
City of Georgetown, which serves the most people here, has 1 result above the legal limit, 2 results above EPA’s new limit, which takes effect in 2029, 2 results above the health goal and 1 result above EPA’s health benchmark. The worst: Total trihalomethanes (TTHM) at 53.1 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 Santa Rita Ranch’s ZIP codes, from EPA’s estimates.
- Open report
City of Georgetown
Texas · serves 191,639 people · about 480 in Santa Rita Ranch
1 result above the legal limit, 2 results above EPA’s new limit, which takes effect in 2029, 2 results above the health goal and 1 result above EPA’s health benchmark. The worst: Total trihalomethanes (TTHM) at 53.1 ppb, above the legal limit.
1 health-based violation since 2016
- Open report
City of Liberty Hill
Texas · serves 8,777 people · about 110 in Santa Rita Ranch
2 results above the health goal. The worst: Uranium at 9.5 ppb, above the health goal.
4 health-based violations since 2016
- Open report
Durham Park WSC
Texas · serves 1,251 people · under 100 in Santa Rita Ranch
1 result above the health goal. The worst: Lead at 3.4 ppb, above the health goal.
No health-based violations since 2016
- Open report
San Gabriel River Ranches
Texas · serves 891 people · under 100 in Santa Rita Ranch
1 result above the health goal. The worst: Arsenic at 4.6 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 City of Georgetown’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), PFOS, PFOA, Lead
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), PFOS, PFOA, Lead
PUR PLUS Faucet Filtration System, Horizontal (PFM400H)
Faucet mount
- NSF listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 401checked Oct. 16, 2026
- WQA listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 401checked Oct. 16, 2026
- IAPMO listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 401checked Oct. 16, 2026
Certified for: Total trihalomethanes (TTHM), PFOS, PFOA, Lead
Water testing near Santa Rita Ranch
The 3 labs Texas certifies closest to Santa Rita Ranch, in a straight line. Call first: certification is test by test, and not every lab takes samples from homeowners.
Integrity Testing, Inc.
Austin, TX · about 23 miles
Certified for lead and copper
Texas Department of State Health Services Laboratory Services Section
Austin, TX · about 28 miles
Certified for bacteria, lead and copper
Aqua-Tech Laboratories, Inc.
Austin, TX · about 38 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 Santa Rita Ranch
Which ZIP codes are in Santa Rita 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 Santa Rita Ranch
Other towns in Williamson County with a page of their own.
What to do next
- Read City of Georgetown’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