Water Quality in LEMONT, IL (60439)

EPA violation data for public water systems serving ZIP code 60439.

1,587

Total Violations

43

Health-Based

1,544

Monitoring / Reporting

1,570

Resolved

What does this mean?

1,570 of 1,587 violations have been resolved. 43 are health-based violations, meaning contaminant levels exceeded federal safety limits. The remaining 1,544 are monitoring or reporting violations (missed testing deadlines or late paperwork — not necessarily a water quality issue). Not all violations mean your water is unsafe. The EPA requires reporting even for minor administrative issues.

Water systems: 134 Population served: 51,119

Violations Detail (1587 total)

ContaminantCategoryMCL LimitMeasuredDateStatusHealth Effects
Lead and Copper RuleMonitoringN/AN/ASep 23, 2025ActiveN/A
Lead and Copper RuleMonitoringN/AN/ASep 17, 2025ActiveN/A
Revised Total Coliform RuleHealth-BasedN/AN/AAug 31, 2025ActiveN/A
Revised Total Coliform RuleHealth-BasedN/AN/AAug 31, 2025ActiveN/A
Consumer Confidence RuleMonitoringN/AN/AJun 30, 2025ActiveN/A
Consumer Confidence RuleMonitoringN/AN/AJun 30, 2025ActiveN/A
Lead and Copper RuleMonitoringN/AN/AApr 13, 2025ActiveN/A
Lead and Copper RuleMonitoringN/AN/AApr 13, 2025ActiveN/A
Public NoticeMonitoringN/AN/AApr 4, 2025ResolvedN/A
Public NoticeMonitoringN/AN/AApr 4, 2025ResolvedN/A

Lead & Copper Levels

Violation Timeline

2025(12)

Lead and Copper Rule

66

Sep 23Active

Lead and Copper Rule

66

Sep 17Active

Revised Total Coliform Rule

2B

Aug 31Active

Revised Total Coliform Rule

2B

Aug 31Active

Consumer Confidence Rule

72

Jun 30Active

Consumer Confidence Rule

72

Jun 30Active

Lead and Copper Rule

66

Apr 13Active

Lead and Copper Rule

66

Apr 13Active

Public Notice

75

Apr 4Resolved

Public Notice

75

Apr 4Resolved

E. COLI

19

Mar 31Resolved

Revised Total Coliform Rule

3A

Mar 31Resolved

2024(71)

Public Notice

75

Oct 27Active

LEAD AND COPPER RULE REVISIONS

2E

Oct 16Resolved

LEAD AND COPPER RULE REVISIONS

2E

Oct 16Resolved

LEAD AND COPPER RULE REVISIONS

2E

Oct 16Resolved

LEAD AND COPPER RULE REVISIONS

2E

Oct 16Resolved

LEAD AND COPPER RULE REVISIONS

4G

Oct 16Resolved

LEAD AND COPPER RULE REVISIONS

4G

Oct 16Resolved

LEAD AND COPPER RULE REVISIONS

4G

Oct 16Resolved

LEAD AND COPPER RULE REVISIONS

4G

Oct 16Resolved

LEAD AND COPPER RULE REVISIONS

4G

Oct 16Resolved

LEAD AND COPPER RULE REVISIONS

4G

Oct 16Resolved

LEAD AND COPPER RULE REVISIONS

4G

Oct 16Resolved

LEAD AND COPPER RULE REVISIONS

4G

Oct 16Resolved

LEAD AND COPPER RULE REVISIONS

2E

Oct 16Resolved

LEAD AND COPPER RULE REVISIONS

2E

Oct 16Resolved

LEAD AND COPPER RULE REVISIONS

2E

Oct 16Resolved

LEAD AND COPPER RULE REVISIONS

2E

Oct 16Resolved

LEAD AND COPPER RULE REVISIONS

2E

Oct 16Resolved

LEAD AND COPPER RULE REVISIONS

2E

Oct 16Resolved

LEAD AND COPPER RULE REVISIONS

4G

Oct 16Resolved

LEAD AND COPPER RULE REVISIONS

4G

Oct 16Resolved

LEAD AND COPPER RULE REVISIONS

4G

Oct 16Resolved

LEAD AND COPPER RULE REVISIONS

4G

Oct 16Resolved

LEAD AND COPPER RULE REVISIONS

2E

Oct 16Resolved

LEAD AND COPPER RULE REVISIONS

2E

Oct 16Resolved

LEAD AND COPPER RULE REVISIONS

4G

Oct 16Resolved

LEAD AND COPPER RULE REVISIONS

4G

Oct 16Resolved

LEAD AND COPPER RULE REVISIONS

2E

Oct 16Resolved

LEAD AND COPPER RULE REVISIONS

2E

Oct 16Resolved

LEAD AND COPPER RULE REVISIONS

2E

Oct 16Resolved

LEAD AND COPPER RULE REVISIONS

2E

Oct 16Resolved

LEAD AND COPPER RULE REVISIONS

4G

Oct 16Resolved

LEAD AND COPPER RULE REVISIONS

4G

Oct 16Resolved

LEAD AND COPPER RULE REVISIONS

2E

Oct 16Resolved

LEAD AND COPPER RULE REVISIONS

4G

Oct 16Resolved

LEAD AND COPPER RULE REVISIONS

4G

Oct 16Resolved

LEAD AND COPPER RULE REVISIONS

4G

Oct 16Resolved

LEAD AND COPPER RULE REVISIONS

4G

Oct 16Resolved

LEAD AND COPPER RULE REVISIONS

2E

Oct 16Resolved

LEAD AND COPPER RULE REVISIONS

2E

Oct 16Resolved

LEAD AND COPPER RULE REVISIONS

2E

Oct 16Resolved

Lead and Copper Rule

52

Sep 30Resolved

Lead and Copper Rule

52

Sep 30Resolved

Lead and Copper Rule

52

Sep 30Resolved

Lead and Copper Rule

52

Sep 30Resolved

E. COLI

19

Sep 30Resolved

Revised Total Coliform Rule

3A

Sep 30Resolved

Lead and Copper Rule

52

Sep 30Resolved

Lead and Copper Rule

52

Sep 30Resolved

Lead and Copper Rule

52

Sep 30Resolved

Lead and Copper Rule

52

Sep 30Resolved

Public Notice

75

Aug 14Resolved

Public Notice

75

Aug 14Resolved

Revised Total Coliform Rule

1A

May 31Resolved

Revised Total Coliform Rule

1A

May 31Resolved

Revised Total Coliform Rule

1A

May 31Resolved

Revised Total Coliform Rule

1A

May 31Resolved

Revised Total Coliform Rule

1A

May 31Resolved

Revised Total Coliform Rule

3B

May 31Resolved

Revised Total Coliform Rule

3B

May 31Resolved

Revised Total Coliform Rule

3B

May 31Resolved

Lead and Copper Rule

66

Mar 24Resolved

Lead and Copper Rule

66

Mar 24Resolved

Public Notice

75

Feb 14Resolved

Public Notice

75

Feb 14Resolved

Public Notice

75

Feb 14Resolved

Public Notice

75

Feb 14Resolved

Public Notice

75

Feb 14Resolved

Public Notice

75

Feb 14Resolved

Public Notice

75

Jan 23Resolved

Public Notice

75

Jan 23Resolved

How Does This Compare?

LEMONT (60439) has 1,587 recorded violations, including 43 health-based. 17 remain unresolved. Consider testing your tap water independently for added peace of mind.

Recommended Water Filters

Based on the contaminants detected in your area, these filter types may help improve your water quality.

Reverse Osmosis System

Highly effective at removing heavy metals, dissolved solids, and a wide range of contaminants. Recommended for homes with lead or arsenic concerns.

Targets:Lead, Copper, Arsenic, Mercury, Cadmium

Look for:NSF/ANSI 58 certified

NSF Certified Products → EPA Safe Drinking Water Guide →

UV Water Purifier

Uses ultraviolet light to neutralize bacteria, viruses, and parasites without chemicals. Ideal for homes with microbial contamination concerns.

Targets:E. coli, Coliform, Giardia, Cryptosporidium

Look for:NSF/ANSI 55 (Class A) certified

NSF Certified Products → EPA Safe Drinking Water Guide →

Always look for filters certified by NSF International for the specific contaminants you want to remove.

Nearby ZIP Codes

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