Markham drinking water comes from surface water. Based on the most recent monitoring data, 2 contaminants have been detected in the water supply, including Lead, Pfhxa. PFAS compounds have been detected at trace levels in Markham water.
Contaminants detected in Markham water
2 total
Detection does not necessarily mean unsafe levels. See individual reports for concentrations and EPA limits.
Markham 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. 2 contaminants have been detected in the water supply, including Lead, Pfhxa. 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 Markham water?
Monitoring has detected 2 contaminants in Markham's water supply: Lead, Pfhxa. Additionally, 1 PFAS compounds have been detected at trace levels. 1 exceed health guidelines. See individual system reports for concentrations relative to EPA limits.
Does Markham water have PFAS?
Yes. 1 PFAS compounds have been detected in Markham'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 Markham get its drinking water?
Markham's drinking water comes from surface water sources. The water is treated and tested according to Illinois EPA and EPA requirements before distribution. Markham is served by 2 water systems, the largest being MARKHAM (serving 12,500 people).
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