Tap Water Results

Is Royse City, 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 Royse City. 4 PFAS were detected below the limits.

City of Royse City supplies Royse City (24,313 people).

Water system

City of Royse City

24,313 people · Purchased surface water · EPA ID TX1990002

Buys treated water from North Texas Municipal Water District Wylie 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: 1.8 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: 1

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.

Royse City homes and lead pipes

8%
of homes built before 1980 (Texas 33%, US 50%)
2%
built before 1950 (Texas 6%)
16%
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 Royse City city (tables B25034, B25003). Estimates for small places have a margin of error.

How nearby cities compare

CityMain water systemPFASLead (90th pct.)
Fate 5 mi
City of Fate
City of FateNone above limits1.34 ppb
Rockwall 8 mi
City of Rockwall
City of RockwallNone above limits1.81 ppb
Wylie 12 mi
City of Wylie
City of WylieNone above limits1.03 ppb
Rowlett 14 mi
City of Rowlett
City of RowlettNone above limits2.6 ppb
Greenville 15 mi
City of Greenville
City of GreenvilleAbove limit1.92 ppb
Sachse 15 mi
City of Sachse
City of SachseNone above limits0 ppb
Royse City ZIP codes (1)
  • 75189

Questions

Is Royse City tap water safe to drink?

City of Royse City had 1 health-based violation 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 Royse City, TX?

City of Royse City, which serves 24,313 people.

Does Royse City tap water have PFAS?

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

Do Royse City homes have lead pipes?

Census estimates put 8% of Royse City 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 Royse City'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.