Water Quality in CALEDONIA, WI (53108)

EPA violation data for public water systems serving ZIP code 53108.

44

Total Violations

20

Health-Based

24

Monitoring / Reporting

39

Resolved

What does this mean?

39 of 44 violations have been resolved. 20 are health-based violations, meaning contaminant levels exceeded federal safety limits. The remaining 24 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: 32 Population served: 5,905

Violations Detail (44 total)

ContaminantCategoryMCL LimitMeasuredDateStatusHealth Effects
Groundwater RuleHealth-BasedN/AN/ANov 14, 2025ActiveN/A
Groundwater RuleHealth-BasedN/AN/ANov 9, 2025ActiveN/A
Lead and Copper RuleMonitoringN/AN/ADec 29, 2024ResolvedN/A
Lead and Copper RuleMonitoringN/AN/ADec 29, 2024ResolvedN/A
Lead and Copper RuleMonitoringN/AN/ASep 30, 2024ResolvedN/A
Lead and Copper RuleMonitoringN/AN/ASep 30, 2024ResolvedN/A
Revised Total Coliform RuleHealth-BasedN/AN/AJul 31, 2024ResolvedN/A
Revised Total Coliform RuleHealth-BasedN/AN/AJul 31, 2024ResolvedN/A
Revised Total Coliform RuleHealth-BasedN/AN/AJul 31, 2024ResolvedN/A
Revised Total Coliform RuleHealth-BasedN/AN/AJul 31, 2024ResolvedN/A

Lead & Copper Levels

Violation Timeline

2025(2)

Groundwater Rule

45

Nov 14Active

Groundwater Rule

45

Nov 9Active

2024(17)

Lead and Copper Rule

66

Dec 29Resolved

Lead and Copper Rule

66

Dec 29Resolved

Lead and Copper Rule

66

Sep 30Resolved

Lead and Copper Rule

66

Sep 30Resolved

Revised Total Coliform Rule

1A

Jul 31Resolved

Revised Total Coliform Rule

1A

Jul 31Resolved

Revised Total Coliform Rule

1A

Jul 31Resolved

Revised Total Coliform Rule

1A

Jul 31Resolved

Revised Total Coliform Rule

1A

Jul 31Resolved

Revised Total Coliform Rule

1A

Jun 30Resolved

Revised Total Coliform Rule

1A

Jun 30Resolved

Revised Total Coliform Rule

1A

Jun 30Resolved

Revised Total Coliform Rule

1A

Jun 30Resolved

Revised Total Coliform Rule

1A

Jun 30Resolved

Revised Total Coliform Rule

1A

Jun 30Resolved

Lead and Copper Rule

66

Mar 31Resolved

Lead and Copper Rule

66

Mar 31Resolved

How Does This Compare?

CALEDONIA (53108) has 44 recorded violations, including 20 health-based. 5 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

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

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

Nearby ZIP Codes

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