Water Quality in BIRNAMWOOD, WI (54414)

EPA violation data for public water systems serving ZIP code 54414.

16

Total Violations

0

Health-Based

16

Monitoring / Reporting

15

Resolved

What does this mean?

15 of 16 violations have been resolved. None of these are health-based violations — no 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: 18 Population served: 1,396

Violations Detail (16 total)

ContaminantCategoryMCL LimitMeasuredDateStatusHealth Effects
Revised Total Coliform RuleMonitoringN/AN/AJul 31, 2025ResolvedN/A
E. COLIMonitoring0N/AJul 31, 2025ActiveSevere gastrointestinal illness; may be fatal in vulnerable populations
Revised Total Coliform RuleMonitoringN/AN/AJun 30, 2025ResolvedN/A
Revised Total Coliform RuleMonitoringN/AN/AJun 30, 2025ResolvedN/A
Revised Total Coliform RuleMonitoringN/AN/AJun 30, 2025ResolvedN/A
Revised Total Coliform RuleMonitoringN/AN/AJun 30, 2025ResolvedN/A
Public NoticeMonitoringN/AN/ASep 30, 2023ResolvedN/A
Public NoticeMonitoringN/AN/ASep 30, 2023ResolvedN/A
Revised Total Coliform RuleMonitoringN/AN/ADec 31, 2022ResolvedN/A
Revised Total Coliform RuleMonitoringN/AN/ADec 31, 2022ResolvedN/A

Lead & Copper Levels

Violation Timeline

2025(6)

Revised Total Coliform Rule

3B

Jul 31Resolved

E. COLI

34

Jul 31Active

Revised Total Coliform Rule

3A

Jun 30Resolved

Revised Total Coliform Rule

3A

Jun 30Resolved

Revised Total Coliform Rule

3A

Jun 30Resolved

Revised Total Coliform Rule

3A

Jun 30Resolved

2023(2)

Public Notice

75

Sep 30Resolved

Public Notice

75

Sep 30Resolved

How Does This Compare?

BIRNAMWOOD (54414) has 16 recorded violations, none of which are 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.

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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