Tap Water Results

Is Wooster, OH 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 Wooster City Public Water System. 6 PFAS were detected below the limits.

Wooster City Public Water System supplies Wooster (26,618 people).

Water system

Wooster City Public Water System

26,618 people · Groundwater · EPA ID OH8504512

PFASHighest averageLimitStatus
PFOA
One sample above limit
2.4 ppt4 pptOne sample above limit
PFOS
Not detected
–4 pptNot detected
PFHxS
Detected, below limit
1.65 ppt10 pptDetected, below limit
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: 2.1 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 Ohio, 35 of 331 water systems EPA tested had PFAS above a 2024 federal limit, and 3 systems were above the lead action level in results from the last five years. Ohio results.

Wooster homes and lead pipes

61%
of homes built before 1980 (Ohio 63%, US 50%)
23%
built before 1950 (Ohio 25%)
35%
of households rent (Ohio 33%)

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 Wooster city (tables B25034, B25003). Estimates for small places have a margin of error.

How nearby cities compare

CityMain water systemPFASLead (90th pct.)
Massillon 21 mi
Aqua Ohio – Massillon Public Water System
Aqua Ohio – Massillon Public Water SystemNone above limits0 ppb
Medina 22 mi
Medina City Public Water System
Medina City Public Water SystemNone above limits3 ppb
Green 26 mi
Akron City Public Water System
Akron City Public Water SystemNone above limits2.67 ppb
Akron 28 mi
Akron City Public Water System
Akron City Public Water SystemNone above limits2.67 ppb
Canton 29 mi
Canton Public Water System
Canton Public Water SystemNone above limits3.47 ppb
Brunswick 30 mi
Medina Co/Northwest Public Water System
Medina Co/Northwest Public Water SystemNone above limits0.6 ppb
Wooster ZIP codes (1)
  • 44691

Questions

Is Wooster tap water safe to drink?

Wooster City 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 Wooster, OH?

Wooster City Public Water System, which serves 26,618 people.

Does Wooster tap water have PFAS?

Wooster City Public Water System had 6 PFAS detected at least once in EPA's 2023–2025 testing, all with averages below the federal limits.

Do Wooster homes have lead pipes?

Census estimates put 61% of Wooster homes as built before 1980 (Ohio: 63%). Lead service lines and lead solder were allowed until 1986, so older homes are more likely to have them. Wooster City 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.