Highland Park 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. Water hardness is 180 mg/L (hard), which is within a typical range for the region.
Contaminants detected in Highland Park water
9 total
Detection does not necessarily mean unsafe levels. See individual reports for concentrations and EPA limits.
Highland Park tap water meets EPA legal standards (Maximum Contaminant Levels). However, 1 contaminant is present above independent health guidelines, which are often stricter than legal limits. 9 contaminants have been detected in the water supply, including Lead, Nitrate, Copper, Total Trihalomethanes, Haloacetic Acids (HAA5). 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 Highland Park water?
Monitoring has detected 9 contaminants in Highland Park's water supply: Lead, Nitrate, Copper, Total Trihalomethanes, Haloacetic Acids (HAA5), Barium, Fluoride, Toc, Orthophosphate. 1 exceed health guidelines. See individual system reports for concentrations relative to EPA limits.
Does Highland Park water have PFAS?
Highland Park'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.
Is Highland Park water hard?
Yes. Highland Park water has a hardness of 180 mg/L (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 Highland Park get its drinking water?
Highland Park's drinking water comes from surface water sources. The water is treated and tested according to Illinois EPA and EPA requirements before distribution. Highland Park is served by one water system: HIGHLAND PARK.
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