Is Sheboygan, WI tap water safe?

Data: U.S. EPA · How we read the data · How we check it

No federal limits exceeded in EPA data for Sheboygan Water Utilities.

2 public water systems serve parts of Sheboygan. The largest, Sheboygan Water Utilities, serves 49,931 people. Your water bill names your system.

Largest system

Sheboygan Water Utilities

49,931 people · Surface water · EPA ID WI4600354

PFAS	Highest average	Limit	Status
PFOA Not detected	–	4 ppt	Not detected
PFOS Not detected	–	4 ppt	Not detected
PFHxS Not detected	–	10 ppt	Not detected
PFNA Not detected	–	10 ppt	Not detected
HFPO-DA (GenX) Not detected	–	10 ppt	Not 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: 2.2 ppb at the 90th percentile (Sep 2023, and 9 in 10 homes sampled were at or below it) Below action level
Health-based violations since 2016: 0

Across Wisconsin, 18 of 196 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. Wisconsin results.

Sheboygan homes and lead pipes

75%

of homes built before 1980 (Wisconsin 57%, US 50%)

41%

built before 1950 (Wisconsin 23%)

39%

of households rent (Wisconsin 32%)

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

Other water systems serving Sheboygan

Sheboygan Tn Waterworks
4,596 people · Groundwater · Wisconsin · lists this city
PFHxS detected

How nearby cities compare

City	Main water system	PFAS	Lead (90th pct.)
Manitowoc 25 mi Manitowoc Waterworks	Manitowoc Waterworks	None above limits	7.7 ppb
West Bend 32 mi West Bend Waterworks	West Bend Waterworks	None above limits	5.8 ppb
Fond du Lac 35 mi Fond du Lac Waterworks	Fond du Lac Waterworks	None above limits	6.1 ppb
Mequon 39 mi Mequon Water Utility	Mequon Water Utility	None above limits	0.52 ppb
Menomonee Falls 45 mi Menomonee Falls Water Works – Surface Water	Menomonee Falls Water Works – Surface Water	None above limits	2.1 ppb
Oshkosh 46 mi Oshkosh Waterworks	Oshkosh Waterworks	None above limits	6.1 ppb

Sheboygan ZIP codes (1)

53081

Questions

Is Sheboygan tap water safe to drink?

Sheboygan Water Utilities 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 Sheboygan, WI?

2 public water systems serve parts of Sheboygan. The largest is Sheboygan Water Utilities (49,931 people). Your water bill names your system. The EPA ID is also on your utility's Consumer Confidence Report.

Does Sheboygan tap water have PFAS?

None detected above EPA's reporting limits. Sheboygan Water Utilities 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 Sheboygan homes have lead pipes?

Census estimates put 75% of Sheboygan homes as built before 1980 (Wisconsin: 57%). Lead service lines and lead solder were allowed until 1986, so older homes are more likely to have them. Sheboygan Water Utilities'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.