Water Quality Report
Macomb, IL
25,772 residents · 5 water systems
2
Contaminants detected
1
PFAS compounds
—
Hardness (mg/L)
0
Above legal limits
1
Above health guidelines
Macomb drinking water comes from a mix of groundwater and surface water sources. Based on the most recent monitoring data, 2 contaminants have been detected in the water supply, including Lead, Lithium. PFAS compounds have been detected at trace levels in Macomb water.
Contaminants detected in Macomb water
Detection does not necessarily mean unsafe levels. See individual reports for concentrations and EPA limits.
Lead0.0043 / 0.015 mg/L
29% of EPA limit
Lithium37.1 ug/L
Unregulated
PFAS (1 compounds detected)
Microplastics (not routinely tested)
Water systems serving Macomb
MACOMB
15,051 servedSurface water2 contaminants1 above guideline
WESTERN ILLINOIS UNIVERSITY
8,000 servedSurface water0 contaminants
WEST PRAIRIE WATER CO-OP
2,395 servedGroundwater0 contaminants
KILJORDAN MEADOWS
282 servedSurface water0 contaminants
STRATFORD WEST ASSOCIATION, INC.
44 servedGroundwater0 contaminants
Frequently asked questions
Is Macomb, IL tap water safe to drink?
Macomb 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, Lithium. 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 Macomb water?
Monitoring has detected 2 contaminants in Macomb's water supply: Lead, Lithium. 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 Macomb water have PFAS?
Yes. 1 PFAS compounds have been detected in Macomb'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 Macomb get its drinking water?
Macomb's drinking water comes from a combination of groundwater and surface water sources. The water is treated and tested according to Illinois EPA and EPA requirements before distribution. Macomb is served by 5 water systems, the largest being MACOMB (serving 15,051 people).
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