Is Southlake, TX tap water safe?
The short answer
1 of the 2 utilities serving Southlake has 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 Southlake.
City of Southlake, which serves the most people here, has 1 result above EPA’s new limit, which takes effect in 2029 and 1 result above the health goal. The worst: PFOS at 4.1 ppt, above EPA’s new limit, which takes effect in 2029.
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 Southlake’s ZIP codes, from EPA’s estimates.
- Open report
City of Southlake
Texas · serves 31,576 people · nearly all in Southlake
1 result above EPA’s new limit, which takes effect in 2029 and 1 result above the health goal. The worst: PFOS at 4.1 ppt, above EPA’s new limit, which takes effect in 2029.
1 health-based violation since 2016
- Open report
South Lake Park Service
Texas · serves 108 people · under 100 in Southlake
1 result above the health goal. The worst: Lead at 0.8 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 Southlake’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, Lead
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, Lead
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, Lead
Water testing near Southlake
The 3 labs Texas certifies closest to Southlake, in a straight line. Call first: certification is test by test, and not every lab takes samples from homeowners.
Pace Analytical Services, LLC -Dallas TX
Fort Worth, TX · about 11 miles
Certified for bacteria
Eurofins Xenco, LLC -Dallas
Dallas, TX · about 17 miles
Certified for bacteria
Tarrant County Public Health Laboratory
Fort Worth, 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 TexasZIP codes in Southlake
Which ZIP codes are in Southlake: 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 Southlake
Other towns in Tarrant County with a page of their own.
What to do next
- Read City of Southlake’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