Is Lake Dallas, TX tap water safe?
The short answer
Neither of the 2 utilities serving Lake Dallas has a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s and Texas’s records.
Lake Cities Municipal Utility Authority, which serves the most people here, has 1 result above the health goal. The worst: Lead at 2.8 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 Lake Dallas’s ZIP codes, from EPA’s estimates.
- Open report
Lake Cities Municipal Utility Authority
Texas · serves 17,826 people · about 3,600 in Lake Dallas
1 result above the health goal. The worst: Lead at 2.8 ppb, above the health goal.
No health-based violations since 2016
- Open report
Harbor Grove WSC
Texas · serves 405 people · under 100 in Lake Dallas
1 result above the health goal. The worst: Lead at 1.4 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 Lake Cities Municipal Utility Authority’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 Lake Dallas
The 3 labs Texas certifies closest to Lake Dallas, 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
Allen, TX · about 18 miles
Certified for bacteria
Eurofins Xenco, LLC -Dallas
Dallas, TX · about 18 miles
Certified for bacteria
Southern Petroleum Laboratories, Inc. - Plano
Plano, TX · about 20 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 Lake Dallas
Which ZIP codes are in Lake Dallas: 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 Lake Dallas
Other towns in Denton County with a page of their own.
What to do next
- Read Lake Cities Municipal Utility Authority’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