Sheboygan County · 55,091 residents · 3 water systems
11
Contaminants detected
2
PFAS compounds
420
Hardness (mg/L)
3
Above legal limits
4
Above health guidelines
Sheboygan drinking water comes from a mix of groundwater and surface water sources. Based on the most recent monitoring data, 11 contaminants have been detected in the water supply, including Lead, Nitrate, Copper, Uranium, and 7 others. PFAS compounds have been detected at trace levels in Sheboygan water. Water hardness is 420 mg/L (very hard), which can cause scale buildup in appliances and reduce soap effectiveness.
Contaminants detected in Sheboygan water
11 total
Detection does not necessarily mean unsafe levels. See individual reports for concentrations and EPA limits.
Sheboygan tap water has 3 contaminants currently measured above EPA legal standards (Maximum Contaminant Levels), and 4 above independent health guidelines. 11 contaminants have been detected in the water supply, including Lead, Nitrate, Copper, Uranium, Total Trihalomethanes. View the detailed report for each water system to see specific levels, how they compare to both legal limits and health guidelines, and what actions to take.
What contaminants are in Sheboygan water?
Monitoring has detected 11 contaminants in Sheboygan's water supply: Lead, Nitrate, Copper, Uranium, Total Trihalomethanes, Haloacetic Acids (HAA5), Fluoride, Antimony, Chromium (total), Barium, Toc. Additionally, 2 PFAS compounds have been detected at trace levels. 3 of these are above EPA legal limits. 4 exceed health guidelines. See individual system reports for concentrations relative to EPA limits.
Does Sheboygan water have PFAS?
Yes. 2 PFAS compounds have been detected in Sheboygan's water supply at trace levels. PFAS are sometimes called "forever chemicals" because they do not break down in the environment. The EPA has set Maximum Contaminant Levels for several PFAS compounds. View the detailed report for specific concentrations.
Is Sheboygan water hard?
Yes. Sheboygan water has a hardness of 420 mg/L (very hard). Hard water is not a health concern but can cause scale buildup in water heaters and appliances, reduce soap effectiveness, and leave mineral deposits. Water softeners or conditioning systems can address hardness.
Where does Sheboygan get its drinking water?
Sheboygan's drinking water comes from a combination of groundwater and surface water sources. The water is treated and tested according to Wisconsin DNR and EPA requirements before distribution. Sheboygan is served by 3 water systems, the largest being SHEBOYGAN WATER UTILITIES (serving 49,931 people).
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