Water Quality in HARBOR SPRINGS, MI (49740)

EPA violation data for public water systems serving ZIP code 49740.

152

Total Violations

5

Health-Based

147

Monitoring / Reporting

148

Resolved

What does this mean?

148 of 152 violations have been resolved. 5 are health-based violations, meaning contaminant levels exceeded federal safety limits. The remaining 147 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: 93 Population served: 18,301

Violations Detail (152 total)

ContaminantCategoryMCL LimitMeasuredDateStatusHealth Effects
Groundwater RuleHealth-BasedN/AN/AAug 29, 2025ResolvedN/A
Nitrate-NitriteMonitoringN/AN/AJun 30, 2025ResolvedN/A
NitrateMonitoringN/AN/AJun 30, 2025ResolvedInfants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath
NitriteMonitoringN/AN/AJun 30, 2025ResolvedInfants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath
Revised Total Coliform RuleMonitoringN/AN/AMay 31, 2025ResolvedN/A
Revised Total Coliform RuleMonitoringN/AN/AMay 31, 2025ResolvedN/A
Lead and Copper RuleMonitoringN/AN/ADec 29, 2024ActiveN/A
Lead and Copper RuleMonitoringN/AN/ADec 29, 2024ActiveN/A
Lead and Copper RuleMonitoringN/AN/AOct 10, 2024ActiveN/A
Lead and Copper RuleMonitoringN/AN/AOct 10, 2024ActiveN/A

Lead & Copper Levels

Violation Timeline

2025(6)

Groundwater Rule

45

Aug 29Resolved

Nitrate-Nitrite

03

Jun 30Resolved

Nitrate

03

Jun 30Resolved

Nitrite

03

Jun 30Resolved

Revised Total Coliform Rule

3A

May 31Resolved

Revised Total Coliform Rule

3A

May 31Resolved

2024(17)

Lead and Copper Rule

66

Dec 29Active

Lead and Copper Rule

66

Dec 29Active

Lead and Copper Rule

52

Oct 10Active

Lead and Copper Rule

52

Oct 10Active

Revised Total Coliform Rule

3A

Sep 30Resolved

Revised Total Coliform Rule

3A

Sep 30Resolved

Revised Total Coliform Rule

3A

Sep 30Resolved

Consumer Confidence Rule

71

Jun 30Resolved

Consumer Confidence Rule

71

Jun 30Resolved

Consumer Confidence Rule

71

Jun 30Resolved

Consumer Confidence Rule

71

Jun 30Resolved

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

Mar 31Resolved

Revised Total Coliform Rule

3A

Mar 31Resolved

Revised Total Coliform Rule

3A

Mar 31Resolved

How Does This Compare?

HARBOR SPRINGS (49740) has 152 recorded violations, including 5 health-based. 4 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.

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