Tap Water Results

Is Corinth, TX tap water safe?

Data: U.S. EPA · How we read the data · How we check it

Summary

No federal limits exceeded in EPA data for City of Corinth. 4 PFAS were detected below the limits.

City of Corinth supplies Corinth (23,213 people).

Water system

City of Corinth

23,213 people · Purchased surface water · EPA ID TX0610065

Buys treated water from Utrwd Regional Water Treatment Plant.

PFASHighest averageLimitStatus
PFOA
Not detected
–4 pptNot detected
PFOS
Not detected
–4 pptNot detected
PFHxS
Not detected
–10 pptNot detected
PFNA
Not detected
–10 pptNot detected
HFPO-DA (GenX)
Not detected
–10 pptNot detected

ppt = parts per trillion. "Highest average" is the highest average at any of the system's entry points, the way EPA compares results with the limits.

Lead: 2.3 ppb at the 90th percentile (Nov 2026, and 9 in 10 homes sampled were at or below it) Below action level
Health-based violations since 2016: 0

Across Texas, 28 of 1,130 water systems EPA tested had PFAS above a 2024 federal limit, and 13 systems were above the lead action level in results from the last five years. Texas results.

Corinth homes and lead pipes

6%
of homes built before 1980 (Texas 33%, US 50%)
1%
built before 1950 (Texas 6%)
23%
of households rent (Texas 37%)

Lead service lines and lead solder were allowed until 1986, so homes from before then are the ones to check. How to check your own line.

Housing: Census American Community Survey 2020–2024 5-year estimates for Corinth city (tables B25034, B25003). Estimates for small places have a margin of error.

How nearby cities compare

CityMain water systemPFASLead (90th pct.)
Denton 6 mi
City of Denton
City of DentonNone above limits1.5 ppb
Flower Mound 8 mi
Town of Flower Mound
Town of Flower MoundNone above limits1.6 ppb
Lewisville 9 mi
City of Lewisville
City of LewisvilleNone above limits1.48 ppb
Little Elm 9 mi
Mustang Special Utility District
Mustang Special Utility DistrictNone above limits1.33 ppb
The Colony 10 mi
City of the Colony
City of the ColonyNone above limits0.62 ppb
Coppell 13 mi
City of Coppell
City of CoppellNone above limits0 ppb
Corinth ZIP codes (1)
  • 76210

Questions

Is Corinth tap water safe to drink?

City of Corinth has had no health-based violations since 2016. Utility data can't show lead from your own pipes: if your home was built before 1986, test your tap. Your utility's annual Consumer Confidence Report is the official summary.

Who supplies water in Corinth, TX?

City of Corinth, which serves 23,213 people.

Does Corinth tap water have PFAS?

City of Corinth had 4 PFAS detected at least once in EPA's 2023–2025 testing, all with averages below the federal limits.

Do Corinth homes have lead pipes?

Census estimates put 6% of Corinth homes as built before 1980 (Texas: 33%). Lead service lines and lead solder were allowed until 1986, so older homes are more likely to have them. City of Corinth's service line inventory says what your line is made of. The only way to know for your home is to check the line where it enters the house and test your tap.

Source: U.S. EPA drinking water records and PFAS testing (UCMR 5). How we read the data.