Is Argyle, TX tap water safe?
The short answer
None of the 7 utilities serving Argyle has a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s and Texas’s records.
Denton County FWSD 7, which serves the most people here, has 1 result above the health goal. The worst: Lead at 1.2 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 Argyle’s ZIP codes, from EPA’s estimates.
- Open report
Denton County FWSD 7
Texas · serves 12,837 people · about 2,800 in Argyle
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
Town of Northlake
Texas · serves 10,430 people · about 1,700 in Argyle
Nothing in its records is above a health goal.
No health-based violations since 2016
- Open report
Argyle WSC
Texas · serves 12,720 people · about 1,600 in Argyle
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 Denton
Texas · serves 150,037 people · about 1,300 in Argyle
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
Cross Timbers WSC
Texas · serves 8,751 people · about 700 in Argyle
1 result above the health goal and 1 result above EPA’s health benchmark. The worst: Lithium at 46.9 ppb, above EPA’s health benchmark.
No health-based violations since 2016
- Open report
Town of Flower Mound
Texas · serves 80,000 people · about 480 in Argyle
1 result above EPA’s new limit, which takes effect in 2029 and 1 result above the health goal. The worst: PFOA at 4.4 ppt, above EPA’s new limit, which takes effect in 2029.
No health-based violations since 2016
- Open report
Stonecrest Estates
Texas · serves 381 people · under 100 in Argyle
Nothing in its records is above a 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 Denton County FWSD 7’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 Argyle
The 3 labs Texas certifies closest to Argyle, 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 22 miles
Certified for bacteria
Eurofins Xenco, LLC -Dallas
Dallas, TX · about 24 miles
Certified for bacteria
Pace Analytical Services, LLC -Dallas TX
Allen, TX · about 28 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 Argyle
Which ZIP codes are in Argyle: 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 Argyle
Other towns in Denton County with a page of their own.
What to do next
- Read Denton County FWSD 7’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