Is Northlake, TX tap water safe?
The short answer
1 of the 15 utilities serving Northlake 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 Fort Worth.
City of Fort Worth, which serves the most people here, has 3 results above EPA’s new limit, which takes effect in 2029 and 3 results above the health goal. The worst: PFHxS at 25.8 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 Northlake’s ZIP codes, from EPA’s estimates.
- Open report
City of Fort Worth
Texas · serves 955,900 people · about 2,200 in Northlake
3 results above EPA’s new limit, which takes effect in 2029 and 3 results above the health goal. The worst: PFHxS at 25.8 ppt, above EPA’s new limit, which takes effect in 2029.
1 health-based violation since 2016
- Open report
City of Roanoke
Texas · serves 10,127 people · about 1,700 in Northlake
1 result above the health goal. The worst: Lead at 1.3 ppb, above the health goal.
No health-based violations since 2016
- Open report
Trophy Club MUD 1
Texas · serves 13,649 people · about 1,500 in Northlake
1 result above EPA’s health benchmark. The worst: Lithium at 15.8 ppb, above EPA’s health benchmark.
No health-based violations since 2016
- Open report
Town of Northlake
Texas · serves 10,430 people · about 950 in Northlake
Nothing in its records is above a health goal.
No health-based violations since 2016
- Open report
City of Keller
Texas · serves 46,308 people · about 820 in Northlake
1 result above EPA’s new limit, which takes effect in 2029 and 1 result above the health goal. The worst: PFOS at 5.7 ppt, above EPA’s new limit, which takes effect in 2029.
No health-based violations since 2016
- Open report
Denton County FWSD 7
Texas · serves 12,837 people · about 780 in Northlake
1 result above the health goal. The worst: Lead at 1.2 ppb, above the health goal.
No health-based violations since 2016
- Open report
Argyle WSC
Texas · serves 12,720 people · about 460 in Northlake
1 result above the health goal and 1 result above EPA’s health benchmark. The worst: Lithium at 41 ppb, above EPA’s health benchmark.
No health-based violations since 2016
- Open report
City of Justin
Texas · serves 7,537 people · about 430 in Northlake
Nothing in its records is above a health goal.
No health-based violations since 2016
- Open report
City of Denton
Texas · serves 150,037 people · about 370 in Northlake
1 result above the health goal. The worst: Lead at 1.5 ppb, above the health goal.
No health-based violations since 2016
- Open report
Town of Westlake
Texas · serves 2,002 people · about 300 in Northlake
1 result above the health goal. The worst: Lead at 1.6 ppb, above the health goal.
No health-based violations since 2016
5 more utilities in Northlake
By EPA’s estimate, each serves fewer people in Northlake than those above.
- Cross Timbers WSCserves 8,751 people · about 200 in Northlake · no health-based violations since 2016
- Foxbane Estates PWSserves 1,455 people · about 150 in Northlake · no health-based violations since 2016
- Town of Flower Moundserves 80,000 people · about 130 in Northlake · no health-based violations since 2016
- Trail Creek Water Systemserves 1,509 people · about 110 in Northlake · no health-based violations since 2016
- Longhorn Meadows Additionserves 855 people · under 100 in Northlake · 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 Fort Worth’s water, which serves the most people here. Another utility’s report names what handles its own results.
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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: PFHxS, PFOA, PFOS, Lead
Culligan 10-Cup Pitcher with ZeroWater Technology (ZEROP10)
Pitcher
- IAPMO listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 401checked Oct. 9, 2026
Certified for: PFHxS, PFOA, PFOS, Lead
Culligan MaxClear Scout Gravity Water Filter (MCS701P)
Dispenser
- IAPMO listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 401checked Oct. 9, 2026
Certified for: PFHxS, PFOA, PFOS, Lead
Water testing near Northlake
The 3 labs Texas certifies closest to Northlake, 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 19 miles
Certified for bacteria
Tarrant County Public Health Laboratory
Fort Worth, TX · about 24 miles
Certified for bacteria
Eurofins Xenco, LLC -Dallas
Dallas, TX · about 26 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 TexasWhich ZIP codes are in Northlake: 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 Northlake
Other towns in Denton County with a page of their own.
What to do next
- Read City of Fort Worth’s full reportEvery result with its dates, the violations, and the certification claim that handles each finding.Open the report
- Filters for PFHxSRanked 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