Water Quality Report
Johnston City, IL
3,509 residents · 1 water system
2
Contaminants detected
1
PFAS compounds
—
Hardness (mg/L)
0
Above legal limits
1
Above health guidelines
Johnston City drinking water comes from surface water. Based on the most recent monitoring data, 2 contaminants have been detected in the water supply, including Lead, PFBA (Perfluorobutanoic Acid). PFAS compounds have been detected at trace levels in Johnston City water.
Contaminants detected in Johnston City 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
PFBA (Perfluorobutanoic Acid)0.0052 ug/L
UnregulatedPFAS
PFAS (1 compounds detected)
Microplastics (not routinely tested)
Water systems serving Johnston City
Frequently asked questions
Is Johnston City, IL tap water safe to drink?
Johnston City 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, PFBA (Perfluorobutanoic Acid). 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 Johnston City water?
Monitoring has detected 2 contaminants in Johnston City's water supply: Lead, PFBA (Perfluorobutanoic Acid). 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 Johnston City water have PFAS?
Yes. 1 PFAS compounds have been detected in Johnston City'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 Johnston City get its drinking water?
Johnston City's drinking water comes from surface water sources. The water is treated and tested according to Illinois EPA and EPA requirements before distribution. Johnston City is served by one water system: JOHNSTON CITY.
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