Water Quality Report
Lockport, IL
25,992 residents · 4 water systems
4
Contaminants detected
5
PFAS compounds
—
Hardness (mg/L)
1
Above legal limits
2
Above health guidelines
Lockport drinking water comes from groundwater wells. Based on the most recent monitoring data, 4 contaminants have been detected in the water supply, including Lead, Lithium, Pfhxa, Pfpea. PFAS compounds have been detected at trace levels in Lockport water.
Contaminants detected in Lockport water
Detection does not necessarily mean unsafe levels. See individual reports for concentrations and EPA limits.
Lead0.03 / 0.015 mg/L
150% of EPA limit
Lithium64.7 ug/L
Unregulated
Pfhxa0.0043 ug/L
Unregulated
Pfpea0.0082 ug/L
Unregulated
PFAS (5 compounds detected)
Microplastics (not routinely tested)
Water systems serving Lockport
LOCKPORT
23,100 servedGroundwater4 contaminants1 above legal limit
BONNIE BRAE FOREST MANOR SNDST
1,338 servedGroundwater0 contaminants1 above guideline
LOCKPORT HEIGHTS SD
984 servedGroundwater0 contaminants1 above guideline
COLLEGE VIEW SUBDIVISION
570 servedGroundwater0 contaminants
Frequently asked questions
Is Lockport, IL tap water safe to drink?
Lockport tap water has 1 contaminant currently measured above EPA legal standards (Maximum Contaminant Levels), and 2 above independent health guidelines. 4 contaminants have been detected in the water supply, including Lead, Lithium, Pfhxa, Pfpea. View the detailed report for each water system to see specific levels, how they compare to both legal limits and health guidelines, and what actions to take.
What contaminants are in Lockport water?
Monitoring has detected 4 contaminants in Lockport's water supply: Lead, Lithium, Pfhxa, Pfpea. Additionally, 5 PFAS compounds have been detected at trace levels. 1 of these are above EPA legal limits. 2 exceed health guidelines. See individual system reports for concentrations relative to EPA limits.
Does Lockport water have PFAS?
Yes. 5 PFAS compounds have been detected in Lockport'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 Lockport get its drinking water?
Lockport's drinking water comes from groundwater wells that draw from underground aquifers. The water is treated and tested according to Illinois EPA and EPA requirements before distribution. Lockport is served by 4 water systems, the largest being LOCKPORT (serving 23,100 people).
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