Marinette County · 1,561 residents · 1 water system
11
Contaminants detected
1
PFAS compounds
200
Hardness (mg/L)
0
Above legal limits
3
Above health guidelines
Niagara drinking water comes from groundwater wells. Based on the most recent monitoring data, 11 contaminants have been detected in the water supply, including Lead, Nitrate, Arsenic, Copper, and 7 others. PFAS compounds have been detected at trace levels in Niagara water. Water hardness is 200 mg/L (very hard), which can cause scale buildup in appliances and reduce soap effectiveness.
Contaminants detected in Niagara water
11 total
Detection does not necessarily mean unsafe levels. See individual reports for concentrations and EPA limits.
Niagara tap water meets EPA legal standards (Maximum Contaminant Levels). However, 3 contaminants are present above independent health guidelines, which are often stricter than legal limits. 11 contaminants have been detected in the water supply, including Lead, Nitrate, Arsenic, Copper, Radium. View the detailed report for each water system to see specific levels and how they compare to both legal limits and health guidelines.
What contaminants are in Niagara water?
Monitoring has detected 11 contaminants in Niagara's water supply: Lead, Nitrate, Arsenic, Copper, Radium, Uranium, Total Trihalomethanes, Haloacetic Acids (HAA5), Nickel, Fluoride, Barium. Additionally, 1 PFAS compounds have been detected at trace levels. 3 exceed health guidelines. See individual system reports for concentrations relative to EPA limits.
Does Niagara water have PFAS?
Yes. 1 PFAS compounds have been detected in Niagara'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 Niagara water hard?
Yes. Niagara water has a hardness of 200 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 Niagara get its drinking water?
Niagara's drinking water comes from groundwater wells that draw from underground aquifers. The water is treated and tested according to Wisconsin DNR and EPA requirements before distribution. Niagara is served by one water system: NIAGARA WATERWORKS.
Check your water quality
Enter your address for a detailed report specific to your water system.
On a private well? Search your address for nearby groundwater monitoring data.