Water Quality in ILLIOPOLIS, IL (62539)

EPA violation data for public water systems serving ZIP code 62539.

48

Total Violations

32

Health-Based

16

Monitoring / Reporting

48

Resolved

What does this mean?

48 of 48 violations have been resolved. 32 are health-based violations, meaning contaminant levels exceeded federal safety limits. The remaining 16 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: 2 Population served: 1,038

Violations Detail (48 total)

ContaminantCategoryMCL LimitMeasuredDateStatusHealth Effects
Total Haloacetic Acids (HAA5)MonitoringN/AN/AMar 31, 2025ResolvedN/A
Total Haloacetic Acids (HAA5)MonitoringN/AN/AMar 31, 2025ResolvedN/A
Total Haloacetic Acids (HAA5)MonitoringN/AN/AMar 31, 2025ResolvedN/A
TTHMMonitoringN/AN/AMar 31, 2025ResolvedN/A
TTHMMonitoringN/AN/AMar 31, 2025ResolvedN/A
TTHMMonitoringN/AN/AMar 31, 2025ResolvedN/A
TTHMMonitoringN/AN/AJun 30, 2024ResolvedN/A
TTHMMonitoringN/AN/AJun 30, 2024ResolvedN/A
TTHMMonitoringN/AN/AJun 30, 2024ResolvedN/A
TTHMMonitoringN/AN/AJun 30, 2024ResolvedN/A

Lead & Copper Levels

Violation Timeline

2025(6)

Total Haloacetic Acids (HAA5)

27

Mar 31Resolved

Total Haloacetic Acids (HAA5)

27

Mar 31Resolved

Total Haloacetic Acids (HAA5)

27

Mar 31Resolved

TTHM

27

Mar 31Resolved

TTHM

27

Mar 31Resolved

TTHM

27

Mar 31Resolved

2024(4)

TTHM

27

Jun 30Resolved

TTHM

27

Jun 30Resolved

TTHM

27

Jun 30Resolved

TTHM

27

Jun 30Resolved

How Does This Compare?

ILLIOPOLIS (62539) has 48 recorded violations, including 32 health-based. All violations have been resolved, which is a positive sign for current water quality. 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

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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