Water Quality Report
Rock Island, IL
46,818 residents · 2 water systems
2
Contaminants detected
1
PFAS compounds
—
Hardness (mg/L)
0
Above legal limits
1
Above health guidelines
Rock Island 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 Rock Island water.
Contaminants detected in Rock Island water
Detection does not necessarily mean unsafe levels. See individual reports for concentrations and EPA limits.
Lead0.0056 / 0.015 mg/L
37% of EPA limit
PFBA (Perfluorobutanoic Acid)0.016 ug/L
UnregulatedPFAS
PFAS (1 compounds detected)
Microplastics (not routinely tested)
Frequently asked questions
Is Rock Island, IL tap water safe to drink?
Rock Island 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 Rock Island water?
Monitoring has detected 2 contaminants in Rock Island'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 Rock Island water have PFAS?
Yes. 1 PFAS compounds have been detected in Rock Island'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 Rock Island get its drinking water?
Rock Island's drinking water comes from surface water sources. The water is treated and tested according to Illinois EPA and EPA requirements before distribution. Rock Island is served by 2 water systems, the largest being ROCK ISLAND (serving 39,018 people).
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