Water Quality in BLUE RIVER, WI (53518)

EPA violation data for public water systems serving ZIP code 53518.

133

Total Violations

10

Health-Based

123

Monitoring / Reporting

133

Resolved

What does this mean?

133 of 133 violations have been resolved. 10 are health-based violations, meaning contaminant levels exceeded federal safety limits. The remaining 123 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: 8 Population served: 888

Violations Detail (133 total)

ContaminantCategoryMCL LimitMeasuredDateStatusHealth Effects
E. COLIMonitoring0N/AJul 2, 2025ResolvedSevere gastrointestinal illness; may be fatal in vulnerable populations
E. COLIMonitoring0N/AJul 2, 2025ResolvedSevere gastrointestinal illness; may be fatal in vulnerable populations
E. COLIMonitoring0N/AJul 2, 2025ResolvedSevere gastrointestinal illness; may be fatal in vulnerable populations
E. COLIMonitoring0N/AJul 2, 2025ResolvedSevere gastrointestinal illness; may be fatal in vulnerable populations
Revised Total Coliform RuleMonitoringN/AN/AAug 31, 2024ResolvedN/A
Revised Total Coliform RuleMonitoringN/AN/AAug 31, 2024ResolvedN/A
Revised Total Coliform RuleMonitoringN/AN/AAug 31, 2024ResolvedN/A
Revised Total Coliform RuleMonitoringN/AN/AAug 31, 2024ResolvedN/A
Revised Total Coliform RuleMonitoringN/AN/AAug 31, 2024ResolvedN/A
Revised Total Coliform RuleMonitoringN/AN/AAug 31, 2024ResolvedN/A

Lead & Copper Levels

Violation Timeline

2025(4)

E. COLI

34

Jul 2Resolved

E. COLI

34

Jul 2Resolved

E. COLI

34

Jul 2Resolved

E. COLI

34

Jul 2Resolved

2024(38)

Revised Total Coliform Rule

3A

Aug 31Resolved

Revised Total Coliform Rule

3A

Aug 31Resolved

Revised Total Coliform Rule

3A

Aug 31Resolved

Revised Total Coliform Rule

3A

Aug 31Resolved

Revised Total Coliform Rule

3A

Aug 31Resolved

Revised Total Coliform Rule

3A

Aug 31Resolved

E. COLI

34

Aug 6Resolved

E. COLI

34

Aug 6Resolved

E. COLI

34

Aug 6Resolved

E. COLI

34

Aug 6Resolved

E. COLI

34

Aug 6Resolved

Revised Total Coliform Rule

3A

Jul 31Resolved

Revised Total Coliform Rule

3A

Jul 31Resolved

Revised Total Coliform Rule

3A

Jul 31Resolved

Revised Total Coliform Rule

3A

Jul 31Resolved

Revised Total Coliform Rule

3A

Jul 31Resolved

Revised Total Coliform Rule

3A

Jul 31Resolved

E. COLI

34

Jul 3Resolved

E. COLI

34

Jul 3Resolved

E. COLI

34

Jul 3Resolved

E. COLI

34

Jul 3Resolved

E. COLI

34

Jul 3Resolved

E. COLI

34

Jun 25Resolved

E. COLI

34

Jun 25Resolved

E. COLI

34

Jun 25Resolved

Revised Total Coliform Rule

1A

May 31Resolved

Revised Total Coliform Rule

1A

May 31Resolved

Revised Total Coliform Rule

1A

May 31Resolved

Revised Total Coliform Rule

1A

May 31Resolved

Revised Total Coliform Rule

1A

May 31Resolved

E. COLI

34

May 6Resolved

E. COLI

34

May 6Resolved

E. COLI

34

May 6Resolved

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

Mar 31Resolved

Revised Total Coliform Rule

3A

Mar 31Resolved

How Does This Compare?

BLUE RIVER (53518) has 133 recorded violations, including 10 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

One of the few filtration methods effective at removing nitrates and nitrites. Essential for households with infants.

Targets:Nitrate, Nitrite, Dissolved Solids

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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