Tomah drinking water comes from groundwater wells. Based on the most recent monitoring data, 20 contaminants have been detected in the water supply, including Lead, Nitrate, Copper, Radium, and 16 others. PFAS compounds have been detected at trace levels in Tomah water. Water hardness is 41 mg/L (soft), which is within a typical range for the region.
Contaminants detected in Tomah water
20 total
Detection does not necessarily mean unsafe levels. See individual reports for concentrations and EPA limits.
Tomah tap water meets EPA legal standards (Maximum Contaminant Levels) and independent health guidelines. 20 contaminants have been detected in the water supply, including Lead, Nitrate, Copper, Radium, Uranium. Detection does not necessarily mean unsafe levels. View the detailed report for each water system to see specific levels.
What contaminants are in Tomah water?
Monitoring has detected 20 contaminants in Tomah's water supply: Lead, Nitrate, Copper, Radium, Uranium, Gross Alpha Radiation, Total Trihalomethanes, Haloacetic Acids (HAA5), Atrazine, Selenium, PFHpA (Perfluoroheptanoic Acid), Barium, Styrene, Fluoride, Thallium, Mercury (inorganic), Bromochloromethane, Acetone, Pfpea, Pfhxa. Additionally, 7 PFAS compounds have been detected at trace levels. See individual system reports for concentrations relative to EPA limits.
Does Tomah water have PFAS?
Yes. 7 PFAS compounds have been detected in Tomah'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.
Where does Tomah get its drinking water?
Tomah'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. Tomah is served by one water system: TOMAH WATERWORKS.
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