Tap Water Results

Is Midlothian, 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 Johnson County Special Utility District. 4 PFAS were detected below the limits.

4 public water systems serve parts of Midlothian. The largest, Johnson County Special Utility District, serves 65,517 people. Your water bill names your system.

Largest system

Johnson County Special Utility District

65,517 people · Purchased surface water · EPA ID TX1260018

Buys treated water from Acton Municipal Utility District, City of Mansfield.

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: 4.24 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

Full Johnson County Special Utility District results

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.

Midlothian homes and lead pipes

11%
of homes built before 1980 (Texas 33%, US 50%)
2%
built before 1950 (Texas 6%)
20%
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 Midlothian city (tables B25034, B25003). Estimates for small places have a margin of error.

Other water systems serving Midlothian

  • City of Midlothian
    27,699 people · Surface water · Texas · lists this city
    PFOA detectedAlso: 1 health-based violation since 2016
  • Mountain Peak Special Utility District
    25,302 people · Purchased surface water · Texas · reported ZIPs here
    Haloacetic acids (HAA5) violationAlso: PFOS detected · Lithium above screening level
  • Sardis Lone Elm Water Supply Corporation
    20,736 people · Purchased surface water · Texas · reported ZIPs here
    Lithium above screening level

How nearby cities compare

CityMain water systemPFASLead (90th pct.)
Cedar Hill 8 mi
City of Cedar Hill
City of Cedar HillNone above limits0 ppb
Waxahachie 10 mi
City of Waxahachie
City of WaxahachieNone above limits0 ppb
Mansfield 10 mi
City of Mansfield
City of MansfieldNone above limits4.33 ppb
DeSoto 12 mi
City of Desoto
City of DesotoNone above limits0 ppb
Duncanville 13 mi
City of Duncanville
City of DuncanvilleNone above limits1.1 ppb
Grand Prairie 15 mi
City of Grand Prairie
City of Grand PrairieAbove limit1.2 ppb
Midlothian ZIP codes (1)
  • 76065

Questions

Is Midlothian tap water safe to drink?

Johnson County Special Utility District 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 Midlothian, TX?

4 public water systems serve parts of Midlothian. The largest is Johnson County Special Utility District (65,517 people). Your water bill names your system. The EPA ID is also on your utility's Consumer Confidence Report.

Does Midlothian tap water have PFAS?

Johnson County Special Utility District had 4 PFAS detected at least once in EPA's 2023–2025 testing, all with averages below the federal limits.

Do Midlothian homes have lead pipes?

Census estimates put 11% of Midlothian 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. Johnson County Special Utility District'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.