Great Lakes drinking water comes from surface water. Based on the most recent monitoring data, 9 contaminants have been detected in the water supply, including Lead, Nitrate, Copper, Total Trihalomethanes, and 5 others. PFAS testing has been conducted with no detections.
Contaminants detected in Great Lakes water
9 total
Detection does not necessarily mean unsafe levels. See individual reports for concentrations and EPA limits.
Great Lakes tap water meets EPA legal standards (Maximum Contaminant Levels) and independent health guidelines. 9 contaminants have been detected in the water supply, including Lead, Nitrate, Copper, Total Trihalomethanes, Haloacetic Acids (HAA5). Detection does not necessarily mean unsafe levels. View the detailed report for each water system to see specific levels.
What contaminants are in Great Lakes water?
Monitoring has detected 9 contaminants in Great Lakes's water supply: Lead, Nitrate, Copper, Total Trihalomethanes, Haloacetic Acids (HAA5), Atrazine, Barium, Fluoride, Toc. See individual system reports for concentrations relative to EPA limits.
Does Great Lakes water have PFAS?
Great Lakes's water has been tested for PFAS compounds with no detections. Testing was conducted as part of the EPA's Unregulated Contaminant Monitoring Rule (UCMR5) program.
Where does Great Lakes get its drinking water?
Great Lakes's drinking water comes from surface water sources. The water is treated and tested according to Illinois EPA and EPA requirements before distribution. Great Lakes is served by one water system: GREAT LAKES NAVAL TRAINING STATION.
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