Mackinac Island, MI - Home Safety Score unavailable
1 ZIP code · 1 water system · Updated
Data: EPA SDWIS
What You Should Know About Mackinac Island Water
- Your city's water systems recorded 2 violations since 2021.
- Average of reported 90th-percentile lead results: 0.005 mg/L.
- Homes built before 1986: 71% - older plumbing may contain lead solder.
- Health risk index (ZipCheckup composite of CDC data): 16.74.
Who Supplies Your Water in Mackinac Island
Because water system records on this page are matched to Mackinac Island, MI through ZIP codes rather than street addresses, the single system in the list below reflects that matching, while federal data connect 1 to the area overall. Anyone unsure which utility supplies a home can check the water bill or contact the utility directly.
Overview
We track home safety data for 1 ZIP code in Mackinac Island, Michigan, covering 1 community water system serving approximately 663 people. The EPA snapshots used for this build directly map water systems to 1 of 1 ZIP codes.
1 of 1 ZIP code with a reported violation count in the available EPA record (100%) have recorded EPA violations. The available record reports no health-based violations for this measured scope.
Water Sources
Mackinac Island water systems draw from: Surface water.
Lead & Copper
- Average of reported 90th-percentile lead results: 0.0050 mg/L (EPA action level: 0.015 mg/L)
- 0 of 1 ZIP code with known status exceed the EPA lead action level
Radon Risk
1 of 1 ZIP records with known zones is in EPA Radon Zone 3.
The EPA recommends testing all homes regardless of radon zone. County radon zones cannot replace an in-home radon test.
Top Contaminants
| Contaminant | Category | Violations | ZIPs Affected |
|---|---|---|---|
| Total organic carbon | Disinfection Byproducts | 2 | 1 |
| Consumer Confidence Rule | Reporting | 2 | 1 |
Areas with Most Violations
| ZIP Code | Safety Score | Violations | Health-Based | System |
|---|---|---|---|---|
| 49757 | — | 2 | 0 | Mackinac Island |
All ZIP Codes in Mackinac Island
- 49757 - 2 violations recorded for mapped water systems
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- Lead/copper: EPA Lead and Copper Rule sampling data
- Radon: EPA Map of Radon Zones
Reporting periods vary by source. Missing data is shown as unavailable, not as zero.
Health Outcomes in Mackinac Island
Source: CDC PLACES (County-level estimates). County health indicators are shown for context only and are not linked to this area's water records.
Compared to National Average
Vertical line = national average. ■ Above national · ■ Below national
Top Contaminants in Mackinac Island Water
Based on EPA violation records. Check your ZIP code report for system-specific contaminant data.
Housing & Infrastructure in Mackinac Island
With 71% of homes built before 1986, lead solder in plumbing is a potential concern. Federal law banned lead solder in drinking-water plumbing in 1986, but many older homes retain original plumbing.
Source: U.S. Census Bureau American Community Survey (ACS).
Housing Age Profile
Viewed through the lens of construction era, Mackinac Island has a median build year of 1961; houses completed ahead of 1986 can hold lead-bearing solder or fittings.
Over half of homes in Mackinac Island were built before 1986, when federal law began restricting lead solder in drinking-water plumbing. Older plumbing may leach lead into drinking water, especially with corrosive water chemistry.
Source: U.S. Census Bureau ACS B25034.
Lead Exposure Risk for Children in Mackinac Island
Why children are most at risk: The CDC states that no safe blood lead level in children has been identified. Children under 6 absorb lead more readily than adults, and even low levels can cause developmental delays, learning difficulties, and behavioral problems.
If you have young children or are pregnant, consider testing your home's water - especially if your home was built before 1986.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Deep Dive Reports
Detailed analysis for Mackinac Island, MI