- EPA's UCMR 5 testing looked for 30 contaminants here and found 5.
- Lithium: found in 12 of 18 samples, average 16.9 µg/L, highest 41 µg/L (EPA UCMR 5 testing, Feb 2023–Nov 2023)
- PFBA (a PFAS): found in 9 of 18 samples, average 7.4 ppt, highest 77.2 ppt (EPA UCMR 5 testing, Feb 2023–Jan 2024)
- PFHxA (a PFAS): found in 10 of 18 samples, average 3.1 ppt, highest 7.7 ppt (EPA UCMR 5 testing, Feb 2023–Jan 2024)
- PFPeA (a PFAS): found in 10 of 18 samples, average 2.8 ppt, highest 5.7 ppt (EPA UCMR 5 testing, Feb 2023–Jan 2024)
- PFBS (a PFAS): found in 6 of 18 samples, average 1.3 ppt, highest 4.3 ppt (EPA UCMR 5 testing, Feb 2023–Jan 2024)
- Lead, 90th percentile: 2.38 ppb at the latest result in EPA records for a monitoring period that ran on or after July 1, 2021, at or below EPA's 15 ppb action level (EPA SDWIS, monitoring period Jan 1, 2024–Dec 31, 2026). The 90th percentile is a system-wide measure from homes sampled under EPA's lead rule; it isn't a result for your home.
Public EPA test results
Can you drink Argyle tap water? What EPA records show
EPA TX0610019 · serves Denton County, TX · about 12,720 people (EPA SDWIS)
This report shows EPA's federal records for this water system: UCMR 5 testing, lead testing and violations. It isn't a test of the water at your tap, and it has no Water Score.
Public EPA test results
Argyle WSC (EPA TX0610019)
EPA data as of October 14, 2026. For Argyle's main utility, Argyle WSC: We found no health-based violations in EPA's records for this system (TX0610019) since July 1, 2021, as of October 14, 2026. PFOA and PFOS were not detected at or above EPA's reporting level in EPA's UCMR 5 testing.
What EPA records show for Argyle WSC, as of October 14, 2026
We found no health-based violations in EPA's records for this system (TX0610019) since July 1, 2021, as of October 14, 2026.
Source: EPA ECHO record for Argyle WSC (SDWIS). Data as of October 14, 2026.
Lead, 90th percentile: 2.38 ppb at the latest result in EPA records for a monitoring period that ran on or after July 1, 2021, at or below EPA's 15 ppb action level (EPA SDWIS, monitoring period Jan 1, 2024–Dec 31, 2026). The 90th percentile is a system-wide measure from homes sampled under EPA's lead rule; it isn't a result for your home.
EPA's UCMR 5 testing looked for 30 contaminants here and found 5.
PFOA and PFOS were not detected at or above EPA's reporting level in EPA's UCMR 5 testing.
Source: EPA records (SDWIS, UCMR 5). SDWIS: data as of Oct 14, 2026. EPA UCMR 5 data, samples through June 2026.
Your water bill names your utility.
Does Argyle WSC use chloramine?
EPA treatment records (state-reported) list chloramines for Argyle WSC. EPA record
What EPA records show for this system
Reported results in EPA records (data as of Oct 14–15, 2026)
Source: EPA SDWIS (ECHO SDWA bulk download), data as of Oct 14, 2026
Source: EPA UCMR 5 occurrence data, data as of Oct 15, 2026
These are EPA's public records for this water system, shown as of October 14, 2026. If you represent this utility, or think a record here is wrong, tell us: Report an error. If the error is in EPA's own records, your state drinking water program can correct it there, and this page updates at our next data refresh.
Sources
- EPA ECHO detailed facility report: Argyle WSC (TX0610019), July to September 2026 extract
- EPA SDWIS (ECHO SDWA bulk download), July to September 2026 extract
- EPA UCMR 5 occurrence data, samples through June 2026
Questions people ask
Is Argyle tap water safe to drink?
We don't give a safe or unsafe verdict. Here is what the public data shows: EPA records for Argyle's main utility, Argyle WSC, as of October 14, 2026. We found no health-based violations in EPA's records for this system (TX0610019) since July 1, 2021, as of October 14, 2026. PFOA and PFOS were not detected at or above EPA's reporting level in EPA's UCMR 5 testing. A guideline and a legal limit are different things, and this is public data, not a test of your tap.
Which utility supplies water in Argyle?
Argyle WSC is the main utility for Argyle in EPA's records (EPA TX0610019), serving about 12,720 people (EPA SDWIS). Your water bill names your utility.
Does Argyle tap water contain PFAS?
PFOA and PFOS were not detected at or above EPA's reporting level in EPA's UCMR 5 testing. This is public data, not a test of your tap.
How recent is this data?
Source: EPA records (SDWIS, UCMR 5). SDWIS: data as of Oct 14, 2026. EPA UCMR 5 data, samples through June 2026. Data may be one to three years old and may not reflect the water at your tap. If you want your own tap tested, use a state-certified laboratory.
Water filters, shipped to your door
We ship three things: the combo (Home Base $2,049, XL $2,149), carbon-only ($1,179), and the HW800 tankless RO ($569). Equipment only, shipped to your door; you or your plumber installs. Not available in Wisconsin yet. Pay by card or Affirm at checkout.
Order itTell me when you serve my area
Leave your email and ZIP code and we'll email you once if we start offering service there.