- EPA's UCMR 5 testing looked for 30 contaminants here and found 4.
- PFBA (a PFAS): found in 14 of 16 samples, average 6 ppt, highest 8.8 ppt (EPA UCMR 5 testing, Aug 2024–Aug 2025)
- PFHxA (a PFAS): found in 16 of 16 samples, average 3.9 ppt, highest 5.3 ppt (EPA UCMR 5 testing, Aug 2024–Aug 2025)
- PFPeA (a PFAS): found in 15 of 16 samples, average 3.9 ppt, highest 5.2 ppt (EPA UCMR 5 testing, Aug 2024–Aug 2025)
- PFBS (a PFAS): found in 3 of 16 samples, average 0.60 ppt, highest 3.1 ppt (EPA UCMR 5 testing, Aug 2024–Aug 2025)
- Lead, 90th percentile: 0 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, 2023–Dec 31, 2025). 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 Carrollton tap water? What EPA records show
EPA TX0570034 · serves Dallas County, TX · about 136,170 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
City of Carrollton (EPA TX0570034)
EPA data as of October 14, 2026. For Carrollton's main utility, City of Carrollton: We found no health-based violations in EPA's records for this system (TX0570034) 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 City of Carrollton, as of October 14, 2026
We found no health-based violations in EPA's records for this system (TX0570034) since July 1, 2021, as of October 14, 2026.
Source: EPA ECHO record for City of Carrollton (SDWIS). Data as of October 14, 2026.
Lead, 90th percentile: 0 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, 2023–Dec 31, 2025). 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 4.
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 City of Carrollton use chloramine?
EPA treatment records (state-reported) list chloramines for City of Carrollton. 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: City of Carrollton (TX0570034), 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 Carrollton tap water safe to drink?
We don't give a safe or unsafe verdict. Here is what the public data shows: EPA records for Carrollton's main utility, City of Carrollton, as of October 14, 2026. We found no health-based violations in EPA's records for this system (TX0570034) 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 Carrollton?
City of Carrollton is the main utility for Carrollton in EPA's records (EPA TX0570034), serving about 136,170 people (EPA SDWIS). Your water bill names your utility.
Does Carrollton 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.
Other Texas cities
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.