Johnson County · 2,119 residents · 2 water systems
8
Contaminants detected
1
PFAS compounds
72.4
Hardness (mg/L)
0
Above legal limits
2
Above health guidelines
Vienna drinking water comes from surface water. Based on the most recent monitoring data, 8 contaminants have been detected in the water supply, including Lead, Arsenic, Copper, Total Trihalomethanes, and 4 others. PFAS compounds have been detected at trace levels in Vienna water. Water hardness is 72.4 mg/L (moderately hard), which is within a typical range for the region.
Contaminants detected in Vienna water
8 total
Detection does not necessarily mean unsafe levels. See individual reports for concentrations and EPA limits.
Vienna tap water meets EPA legal standards (Maximum Contaminant Levels). However, 2 contaminants are present above independent health guidelines, which are often stricter than legal limits. 8 contaminants have been detected in the water supply, including Lead, Arsenic, 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 Vienna water?
Monitoring has detected 8 contaminants in Vienna's water supply: Lead, Arsenic, Copper, Total Trihalomethanes, Haloacetic Acids (HAA5), Barium, Fluoride, Toc. Additionally, 1 PFAS compounds have been detected at trace levels. 2 exceed health guidelines. See individual system reports for concentrations relative to EPA limits.
Does Vienna water have PFAS?
Yes. 1 PFAS compounds have been detected in Vienna'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 Vienna get its drinking water?
Vienna's drinking water comes from surface water sources. The water is treated and tested according to Illinois EPA and EPA requirements before distribution. Vienna is served by 2 water systems, the largest being VIENNA (serving 1,618 people).
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