Water Quality in FAIRFIELD, IL (62837)

EPA violation data for public water systems serving ZIP code 62837.

101

Total Violations

36

Health-Based

65

Monitoring / Reporting

100

Resolved

What does this mean?

100 of 101 violations have been resolved. 36 are health-based violations, meaning contaminant levels exceeded federal safety limits. The remaining 65 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: 17 Population served: 10,667

Violations Detail (101 total)

ContaminantCategoryMCL LimitMeasuredDateStatusHealth Effects
Consumer Confidence RuleMonitoringN/AN/AJun 30, 2025ActiveN/A
Public NoticeMonitoringN/AN/AJan 30, 2025ResolvedN/A
Public NoticeMonitoringN/AN/AJan 30, 2025ResolvedN/A
TTHMMonitoringN/AN/AJun 30, 2024ResolvedN/A
TTHMMonitoringN/AN/AJun 30, 2024ResolvedN/A
TTHMMonitoringN/AN/AJun 30, 2024ResolvedN/A
Total Haloacetic Acids (HAA5)MonitoringN/AN/AJun 30, 2024ResolvedN/A
Total Haloacetic Acids (HAA5)MonitoringN/AN/AJun 30, 2024ResolvedN/A
Total Haloacetic Acids (HAA5)MonitoringN/AN/AJun 30, 2024ResolvedN/A
TTHMHealth-BasedN/A0.092Jun 30, 2024ResolvedN/A

Lead & Copper Levels

Violation Timeline

2025(3)

Consumer Confidence Rule

72

Jun 30Active

Public Notice

75

Jan 30Resolved

Public Notice

75

Jan 30Resolved

2024(24)

TTHM

27

Jun 30Resolved

TTHM

27

Jun 30Resolved

TTHM

27

Jun 30Resolved

Total Haloacetic Acids (HAA5)

27

Jun 30Resolved

Total Haloacetic Acids (HAA5)

27

Jun 30Resolved

Total Haloacetic Acids (HAA5)

27

Jun 30Resolved

TTHM

02

Jun 30Resolved

TTHM

02

Jun 30Resolved

TTHM

02

Jun 30Resolved

TTHM

02

Jun 30Resolved

TTHM

02

Jun 30Resolved

TTHM

02

Jun 30Resolved

TTHM

02

Mar 31Resolved

TTHM

02

Mar 31Resolved

TTHM

02

Mar 31Resolved

TTHM

02

Mar 31Resolved

TTHM

02

Mar 31Resolved

TTHM

02

Mar 31Resolved

TTHM

02

Mar 31Resolved

TTHM

02

Mar 31Resolved

TTHM

02

Mar 31Resolved

TTHM

02

Mar 31Resolved

TTHM

02

Mar 31Resolved

TTHM

02

Mar 31Resolved

How Does This Compare?

FAIRFIELD (62837) has 101 recorded violations, including 36 health-based. 1 remains 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.

Activated Carbon Filter

Excellent for removing chlorine, chloramine, and disinfection byproducts like THMs and HAAs. Available as pitcher filters, countertop, or under-sink units.

Targets:THMs, HAAs, Chlorine, Chloramine, Taste & Odor

Look for:NSF/ANSI 42 & 53 certified

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

Nearby ZIP Codes

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