Tap Water Results

Is Corsicana, 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 Corsicana Public Water System. 3 PFAS were detected below the limits.

City of Corsicana Public Water System supplies Corsicana (25,885 people).

Water system

City of Corsicana Public Water System

25,885 people · Surface water · EPA ID TX1750002

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: 0 ppb at the 90th percentile (Dec 2025, 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.

Corsicana homes and lead pipes

66%
of homes built before 1980 (Texas 33%, US 50%)
16%
built before 1950 (Texas 6%)
45%
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. Renting? Ask your landlord what the service line is made of, because it's their pipe to replace. How to check your own line.

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

How nearby cities compare

CityMain water systemPFASLead (90th pct.)
Ennis 19 mi
City of Ennis
City of EnnisNone above limits0 ppb
Waxahachie 31 mi
City of Waxahachie
City of WaxahachieNone above limits0 ppb
Lancaster 40 mi
Rockett Special Utility District
Rockett Special Utility DistrictNone above limits0 ppb
Midlothian 41 mi
Johnson County Special Utility District
Johnson County Special Utility DistrictNone above limits4.24 ppb
DeSoto 43 mi
City of Desoto
City of DesotoNone above limits0 ppb
Balch Springs 44 mi
City of Balch Springs
City of Balch SpringsNone above limits0 ppb
Corsicana ZIP codes (1)
  • 75110

Questions

Is Corsicana tap water safe to drink?

City of Corsicana Public Water System 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 Corsicana, TX?

City of Corsicana Public Water System, which serves 25,885 people.

Does Corsicana tap water have PFAS?

City of Corsicana Public Water System had 3 PFAS detected at least once in EPA's 2023–2025 testing, all with averages below the federal limits.

Do Corsicana homes have lead pipes?

Census estimates put 66% of Corsicana 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 Corsicana Public Water System'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.