Tap Water Results

Is East Windsor, NJ 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 East Windsor Municipal Utilities Authority.

East Windsor Municipal Utilities Authority supplies East Windsor (25,000 people).

Water system

East Windsor Municipal Utilities Authority

25,000 people · Groundwater · EPA ID NJ1101002

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: 1.61 ppb at the 90th percentile (Dec 2024, and 9 in 10 homes sampled were at or below it) Below action level
Health-based violations since 2016: 1

Across New Jersey, 110 of 245 water systems EPA tested had PFAS above a 2024 federal limit, and 4 systems were above the lead action level in results from the last five years. New Jersey results.

East Windsor homes and lead pipes

60%
of homes built before 1980 (New Jersey 63%, US 50%)
5%
built before 1950 (New Jersey 24%)
39%
of households rent (New Jersey 36%)

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 East Windsor township (tables B25034, B25003). Estimates for small places have a margin of error.

How nearby cities compare

CityMain water systemPFASLead (90th pct.)
Monroe 7 mi
Monroe Township Utility Department
Monroe Township Utility DepartmentAbove limit1.34 ppb
Hamilton 8 mi
Trenton Water Works
Trenton Water WorksNone above limits6 ppb
South Brunswick 9 mi
South Brunswick Township Water Division
South Brunswick Township Water DivisionAbove limit0 ppb
Manalapan 10 mi
Gordons Corner Water Company
Gordons Corner Water CompanyAbove limit0.7 ppb
Lawrence 10 mi
Trenton Water Works
Trenton Water WorksNone above limits6 ppb
Trenton 12 mi
Trenton Water Works
Trenton Water WorksNone above limits6 ppb
East Windsor ZIP codes (1)
  • 08520

Questions

Is East Windsor tap water safe to drink?

East Windsor Municipal Utilities Authority 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 East Windsor, NJ?

East Windsor Municipal Utilities Authority, which serves 25,000 people.

Does East Windsor tap water have PFAS?

None detected above EPA's reporting limits. East Windsor Municipal Utilities Authority had no PFAS detected in EPA's 2023–2025 testing. "Not detected" means below the reporting limit (about 2 to 20 ppt), not proven zero.

Do East Windsor homes have lead pipes?

Census estimates put 60% of East Windsor homes as built before 1980 (New Jersey: 63%). Lead service lines and lead solder were allowed until 1986, so older homes are more likely to have them. East Windsor Municipal Utilities Authority'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.