Water Quality Report
Crystal Lake, IL
40,661 residents · 1 water system
2
Contaminants detected
2
PFAS compounds
—
Hardness (mg/L)
0
Above legal limits
1
Above health guidelines
Crystal Lake drinking water comes from groundwater wells. Based on the most recent monitoring data, 2 contaminants have been detected in the water supply, including Lead, Pfpea. PFAS compounds have been detected at trace levels in Crystal Lake water.
Contaminants detected in Crystal Lake water
Detection does not necessarily mean unsafe levels. See individual reports for concentrations and EPA limits.
Lead0.0077 / 0.015 mg/L
51% of EPA limit
Pfpea0.0045 ug/L
Unregulated
PFAS (2 compounds detected)
Microplastics (not routinely tested)
Water systems serving Crystal Lake
Frequently asked questions
Is Crystal Lake, IL tap water safe to drink?
Crystal Lake 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, Pfpea. 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 Crystal Lake water?
Monitoring has detected 2 contaminants in Crystal Lake's water supply: Lead, Pfpea. Additionally, 2 PFAS compounds have been detected at trace levels. 1 exceed health guidelines. See individual system reports for concentrations relative to EPA limits.
Does Crystal Lake water have PFAS?
Yes. 2 PFAS compounds have been detected in Crystal Lake'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 Crystal Lake get its drinking water?
Crystal Lake's drinking water comes from groundwater wells that draw from underground aquifers. The water is treated and tested according to Illinois EPA and EPA requirements before distribution. Crystal Lake is served by one water system: CRYSTAL LAKE.
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