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Water Quality Report

Granite City, IL

8,578 residents · 2 water systems

4

Contaminants detected

4

PFAS compounds

Hardness (mg/L)

0

Above legal limits

1

Above health guidelines

Granite City drinking water comes from surface water. Based on the most recent monitoring data, 4 contaminants have been detected in the water supply, including Lead, PFBA (Perfluorobutanoic Acid), Pfpea, Pfhxa. PFAS compounds have been detected at trace levels in Granite City water.

Contaminants detected in Granite City water

Detection does not necessarily mean unsafe levels. See individual reports for concentrations and EPA limits.

Lead0 / 0.015 mg/L
0% of EPA limit
PFBA (Perfluorobutanoic Acid)0.015 ug/L
UnregulatedPFAS
Pfpea0.0045 ug/L
Unregulated
Pfhxa0.0043 ug/L
Unregulated
PFAS (4 compounds detected)
Microplastics (not routinely tested)

Frequently asked questions

Is Granite City, IL tap water safe to drink?
Granite 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. 4 contaminants have been detected in the water supply, including Lead, PFBA (Perfluorobutanoic Acid), Pfpea, 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 Granite City water?
Monitoring has detected 4 contaminants in Granite City's water supply: Lead, PFBA (Perfluorobutanoic Acid), Pfpea, Pfhxa. Additionally, 4 PFAS compounds have been detected at trace levels. 1 exceed health guidelines. See individual system reports for concentrations relative to EPA limits.
Does Granite City water have PFAS?
Yes. 4 PFAS compounds have been detected in Granite 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 Granite City get its drinking water?
Granite City's drinking water comes from surface water sources. The water is treated and tested according to Illinois EPA and EPA requirements before distribution. Granite City is served by 2 water systems, the largest being MITCHELL PWD (serving 5,253 people).

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