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Water Quality Report

Wilmington, IL

6,568 residents · 2 water systems

4

Contaminants detected

4

PFAS compounds

Hardness (mg/L)

0

Above legal limits

1

Above health guidelines

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

Contaminants detected in Wilmington water

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

Lead0.005 / 0.015 mg/L
33% of EPA limit
Pfpea0.0045 ug/L
Unregulated
PFBA (Perfluorobutanoic Acid)0.0057 ug/L
UnregulatedPFAS
Pfhxa0.004 ug/L
Unregulated
PFAS (4 compounds detected)
Microplastics (not routinely tested)

Frequently asked questions

Is Wilmington, IL tap water safe to drink?
Wilmington 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, Pfpea, PFBA (Perfluorobutanoic Acid), 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 Wilmington water?
Monitoring has detected 4 contaminants in Wilmington's water supply: Lead, Pfpea, PFBA (Perfluorobutanoic Acid), 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 Wilmington water have PFAS?
Yes. 4 PFAS compounds have been detected in Wilmington'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 Wilmington get its drinking water?
Wilmington's drinking water comes from surface water sources. The water is treated and tested according to Illinois EPA and EPA requirements before distribution. Wilmington is served by 2 water systems, the largest being WILMINGTON (serving 5,700 people).

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