Is Leander, TX tap water safe?
The short answer
3 of the 7 utilities serving Leander 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, Hill Country Northwest Cherry Hollow and Sail Haven.
City of Leander, which serves the most people here, has 1 result above the health goal. The worst: Lead at 1.1 ppb, above the health goal. Health goals are stricter than legal limits and are not enforced.
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 Leander’s ZIP codes, from EPA’s estimates.
- Open report
City of Leander
Texas · serves 98,330 people · about 18,300 in Leander
1 result above the health goal. The worst: Lead at 1.1 ppb, above the health goal.
No health-based violations since 2016
- Open report
City of Georgetown
Texas · serves 191,639 people · about 1,800 in Leander
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
Block House MUD
Texas · serves 6,618 people · about 1,800 in Leander
1 result above the health goal. The worst: Lead at 1.0 ppb, above the health goal.
No health-based violations since 2016
- Open report
Sandy Creek Ranches Subdivision
Texas · serves 2,022 people · about 590 in Leander
1 result above the health goal and 1 result above EPA’s health benchmark. The worst: Lithium at 62 ppb, above EPA’s health benchmark.
No health-based violations since 2016
- Open report
Hill Country Northwest Cherry Hollow
Texas · serves 1,002 people · about 290 in Leander
Nothing in its records is above a health goal.
3 health-based violations since 2016
- Open report
Sail Haven
Texas · serves 129 people · nearly all in Leander
2 results above the limit’s level with no violation recorded. The worst: Total trihalomethanes (TTHM) at 208 ppb, above the limit’s level, no violation.
4 health-based violations since 2016
- Open report
South San Gabriel Ranches
Texas · serves 510 people · about 150 in Leander
2 results above the health goal. The worst: Arsenic at 2.6 ppb, above the health goal.
No 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 Leander’s water, which serves the most people here. Another utility’s report names what handles its own results.
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Brita Tahoe Pitcher with Elite Filter (OB60, OB06)
Pitcher
- WQA listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 401checked Oct. 13, 2026
- IAPMO listing:NSF/ANSI 53checked Oct. 13, 2026
Certified for: Lead
Brita Everyday Pitcher with Elite Filter (OB46, OB06)
Pitcher
- WQA listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 401checked Oct. 13, 2026
Certified for: Lead
PUR PLUS 11-Cup Pitcher (PPT111W)
Pitcher
- NSF listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 401checked Oct. 4, 2026
- WQA listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 401checked Oct. 4, 2026
- IAPMO listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 401checked Oct. 4, 2026
Certified for: Lead
Water testing near Leander
The 3 labs Texas certifies closest to Leander, 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 14 miles
Certified for lead and copper
Texas Department of State Health Services Laboratory Services Section
Austin, TX · about 19 miles
Certified for bacteria, lead and copper
Aqua-Tech Laboratories, Inc.
Austin, TX · about 29 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 Leander
Which ZIP codes are in Leander: 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 Leander
Other towns in Williamson County with a page of their own.
What to do next
- Read City of Leander’s full reportEvery result with its dates, the violations, and the certification claim that handles each finding.Open the report
- Filters for LeadRanked by certification and what they cost over five years.The best water filters for lead, ranked
- On a private well?No utility tests a well. A certified lab test is the first step.How to test well water