Jamestown, MI: 1 Violation — 99/100 (2026)
1 ZIP code · 1 water system · Updated 2026-06-03
Compared to statewide averages in MI, Jamestown scores well — health violations are below the norm and systems generally operate within federal standards.
How Jamestown Compares
Data: EPA SDWIS Last verified: 2026-06-03
What You Should Know About Jamestown Water
- Your city's water systems recorded 1 violation in the past 5 years.
- Average lead level: 0.0013 mg/L.
- CDC health risk index: 11.69.
Who Supplies Your Water in Jamestown
Consolidated water delivery characterizes Jamestown, MI: among 1 system in federal records, one utility holds the dominant service position — carrying the rate-setting authority, the infrastructure obligations, and the EPA reporting burden for most residential addresses.
Overview
We track water quality and home safety data for 1 ZIP code in Jamestown, Michigan, covering 1 community water system serving approximately 3,330 people.
1 of 1 ZIP code (100%) have recorded EPA violations. All violations are monitoring/reporting type.
Home Safety Score
Average Home Safety Score for Jamestown: A (99/100)
The score combines three factors:
| Factor | What It Measures |
|---|---|
| Water Quality | EPA violations and compliance history |
| Lead Levels | 90th percentile lead concentration vs EPA action level |
| Radon Risk | EPA radon zone classification |
Water Sources
Jamestown water systems draw from: Surface water.
Lead & Copper
- Average lead level (90th percentile): 0.0013 mg/L (EPA action level: 0.015 mg/L)
- 0 ZIP codes exceed the EPA lead action level
Radon Risk
Dominant radon zone: Zone 3 (Low Risk)
Top Contaminants
| Contaminant | Category | Violations | ZIPs Affected |
|---|---|---|---|
| Consumer Confidence Report Rule | Reporting | 2 | 1 |
Areas with Most Violations
| ZIP Code | Safety Score | Violations | Health-Based | System |
|---|---|---|---|---|
| 49427 | A | 1 | 0 | Jamestown Township |
All ZIP Codes in Jamestown
- 49427 [A] — 1 violation
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
Updated daily.
Health Outcomes in Jamestown
Source: CDC PLACES (County-level estimates). Water contamination can correlate with respiratory and chronic health conditions.
Compared to National Average
Vertical line = national average. ■ Above national · ■ Below national
Top Contaminants in Jamestown Water
Based on EPA violation records. Check your ZIP code report for system-specific contaminant data.
Lead Exposure Risk for Children in Jamestown
Why children are most at risk: The CDC states there is no safe level of lead exposure for children. Children under 6 absorb lead more readily than adults, and even low levels can cause developmental delays, learning difficulties, and behavioral problems.
Lead risk in Jamestown appears low overall, but individual homes may differ. Testing is the only way to confirm your water's lead content.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Deep Dive Reports
Detailed analysis for Jamestown, MI