D
50

Poor Water Quality

Lockport, IL 60441

Will County · Population served: 315,560 · Data updated March 2026

Water Systems Serving This Area

🏔
IL AMERICAN-HOMER TOWNSHIP
Surface water · Pop. 24,543
PWSID: IL1970100
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JOLIET
Groundwater · Pop. 160,000
PWSID: IL1970450
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LOCKPORT
Groundwater · Pop. 23,100
PWSID: IL1970500
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NEW LENOX
Surface water · Pop. 27,690
PWSID: IL1970700
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IL AMERICAN-WEST SUBURBAN
Surface water · Pop. 73,978
PWSID: IL1974151

Contaminants Detected

ContaminantDetected LevelEPA MCLHealth GuidelineStatus
Lead
13.9
15 ppb 1 ppb Warning

PFAS / Forever Chemicals

5 detected All below limits
CompoundLevelEPA MCLHealth GuidelineStatus
PFHxS9.2 ppt10 ppt10 pptBelow limit
PFPeA8.2 pptNo standardUnregulated
PFBA5.6 pptNo standard500 pptUnregulated
PFHxA4.3 pptNo standard400 pptUnregulated
PFBS3.2 ppt2000 ppt100 pptBelow limit

Violation History (Last 5 Years)

28Total (5yr)
1Health-Based
17Major

Water Quality Summary

Understanding Your Water in Lockport

Tap water quality in Lockport, Illinois (60441) receives an overall grade of D (Poor) with a score of 50 out of 100, based on analysis of EPA compliance data, contaminant testing, and violation history. This is 24 points below the Illinois state average of 74. Compared to the national average (75), this area scores significantly lower. The area is served by 8 water systems providing water to approximately 315,560 people, using surface water and groundwater sources. Testing has found elevated levels of Lead that warrant attention. PFAS testing detected 5 compounds, all currently below EPA limits. Over the past 5 years, water systems here have accumulated 28 violations, including 1 health-based violations.

Your Score 50/100 D
vs State 24 pts below Illinois avg (74)
vs National 25 pts below national avg (75)

What a Grade D Means

A score of 50/100 signals poor water quality in Lockport, IL. Significant issues have been identified, which may include multiple violations, contaminant levels near or above regulatory limits, or PFAS contamination. We recommend reviewing the detailed contaminant data below, considering a certified water filter, and checking your utility's Consumer Confidence Report for the latest information.

Surface water: sourced from rivers, lakes, or reservoirs
Groundwater: drawn from underground aquifers via wells

Health Information

What These Contaminants Mean for You

⚠️

Lead in Your Water

Lead is a toxic metal that can leach from aging pipes and plumbing fixtures.

Health Effects

Even low levels of lead exposure can cause developmental delays in children, kidney damage, and cardiovascular effects in adults. The EPA action level is 15 ppb, but health experts recommend no safe level of lead in drinking water.

Common Sources

Lead enters water primarily through corrosion of lead service lines, lead solder, and brass fixtures — especially in homes built before 1986.

What You Can Do

If lead is detected above 1 ppb, consider using a certified lead-removal filter (NSF/ANSI 53) for drinking and cooking water. Run cold water for 30 seconds before use if water has been sitting in pipes.

Common Questions

Frequently Asked Questions

Tap water in Lockport, Illinois receives a grade of D (Poor) with a score of 50/100. This indicates significant water quality concerns based on violation history, contaminant levels, or enforcement actions. We recommend reviewing the specific contaminants detected below and considering a certified water filter.

ZIP code 60441 is served by 8 water systems using surface water, groundwater sources, providing water to approximately 315,560 people. Multiple source types mean your water may come from a blend of surface and underground sources.

Lead was detected at 13.9 ppb in Lockport, Illinois. While this is below the EPA action level of 15 ppb, it exceeds the health guideline of 1 ppb recommended by health organizations. Consider a certified lead filter, especially if you have young children.

5 PFAS compounds were detected in water serving Lockport, Illinois, but all are currently below EPA limits. While levels are within regulatory standards, some health organizations recommend minimizing any PFAS exposure. Activated carbon or reverse osmosis filters can reduce PFAS levels.

Water systems serving Lockport, Illinois have received 28 violations in the last 5 years, including 1 health-based violation. Violations can range from paperwork issues (monitoring & reporting) to serious health-based violations where contaminant levels exceeded safe limits. Review the violation details above for specifics.

Based on detected contaminants (lead, PFAS), residents in Lockport, Illinois should consider: Reverse osmosis (RO) system — most effective for PFAS, lead, and other contaminants. Always look for filters with NSF/ANSI certification for the specific contaminants you want to remove.

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