Water Quality in LA CROSSE, WI (54601)

EPA violation data for public water systems serving ZIP code 54601.

146

Total Violations

1

Health-Based

145

Monitoring / Reporting

140

Resolved

What does this mean?

140 of 146 violations have been resolved. 1 is a health-based violation, meaning contaminant levels exceeded federal safety limits. The remaining 145 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: 133 Population served: 69,432

Violations Detail (146 total)

ContaminantCategoryMCL LimitMeasuredDateStatusHealth Effects
LEAD AND COPPER RULE REVISIONSMonitoringN/AN/AJul 1, 2025ActiveN/A
Consumer Confidence RuleMonitoringN/AN/AJun 30, 2025ResolvedN/A
Consumer Confidence RuleMonitoringN/AN/AJun 30, 2025ResolvedN/A
Consumer Confidence RuleMonitoringN/AN/AJun 30, 2025ResolvedN/A
Consumer Confidence RuleMonitoringN/AN/AJun 30, 2025ResolvedN/A
Revised Total Coliform RuleMonitoringN/AN/AMay 31, 2025ResolvedN/A
Revised Total Coliform RuleMonitoringN/AN/AMay 31, 2025ResolvedN/A
Revised Total Coliform RuleMonitoringN/AN/AMay 31, 2025ResolvedN/A
Revised Total Coliform RuleMonitoringN/AN/AApr 30, 2025ResolvedN/A
Revised Total Coliform RuleMonitoringN/AN/AApr 30, 2025ResolvedN/A

Lead & Copper Levels

Violation Timeline

2025(20)

LEAD AND COPPER RULE REVISIONS

4H

Jul 1Active

Consumer Confidence Rule

72

Jun 30Resolved

Consumer Confidence Rule

72

Jun 30Resolved

Consumer Confidence Rule

71

Jun 30Resolved

Consumer Confidence Rule

71

Jun 30Resolved

Revised Total Coliform Rule

3A

May 31Resolved

Revised Total Coliform Rule

3A

May 31Resolved

Revised Total Coliform Rule

3A

May 31Resolved

Revised Total Coliform Rule

3A

Apr 30Resolved

Revised Total Coliform Rule

3A

Apr 30Resolved

Revised Total Coliform Rule

3A

Apr 30Resolved

Revised Total Coliform Rule

3A

Mar 31Resolved

Revised Total Coliform Rule

3A

Mar 31Resolved

Revised Total Coliform Rule

3A

Mar 31Resolved

Revised Total Coliform Rule

3A

Feb 28Resolved

Revised Total Coliform Rule

3A

Feb 28Resolved

Revised Total Coliform Rule

3A

Feb 28Resolved

Revised Total Coliform Rule

3A

Jan 31Resolved

Revised Total Coliform Rule

3A

Jan 31Resolved

Revised Total Coliform Rule

3A

Jan 31Resolved

2024(8)

Lead and Copper Rule

66

Dec 31Active

Di(2-ethylhexyl) phthalate

03

Dec 31Resolved

Di(2-ethylhexyl) phthalate

03

Dec 31Resolved

Di(2-ethylhexyl) phthalate

03

Dec 31Resolved

LEAD AND COPPER RULE REVISIONS

4G

Oct 16Resolved

Public Notice

75

Oct 16Active

Public Notice

75

Oct 16Active

LEAD AND COPPER RULE REVISIONS

2E

Oct 16Active

How Does This Compare?

LA CROSSE (54601) has 146 recorded violations, including 1 health-based. 6 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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