Eaton County, Michigan
12 ZIP codes · Avg score 76/100 · Grade B · Updated 2026-06-03
In recent assessments, Eaton County's 12 ZIP codes record strong, consistent water safety outcomes.
How Eaton County Compares
How Eaton County Compares
Eaton County scores 2 points above the Michigan state average (74/100) and 8 points above the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-03
ZIP Code Risk Map
Water Quality Map: Eaton County, Michigan
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 13.5 (asthma 11.4%, diabetes 11.3%)
Estimated additional annual cost per homeowner: $1,101, driven primarily by flood
Infrastructure: 0.378% avg pipe failure probability, 33% of ZIPs at high risk
65.8% of homes built before 1978 (lead paint era)
Violation History (2022–2025)
→ Stable trendEPA violation counts by year across Eaton County water systems. Health-based shown in red, total in blue.
Peak year: 2024 with 3 violations. Past 5 years: 5 total (5 health-based).
Source: EPA SDWIS historical violations. Data may lag 6–12 months for the most recent year.
County Health Indicators vs National Average
Black markers indicate national averages. Source: CDC PLACES, Census ACS.
Infrastructure Overview
Sources: Census ACS (housing age), EPA SDWIS (infrastructure risk model), state bridge inspection data.
Compound Risk Breakdown
Estimated additional annual cost per homeowner: $1,101
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
35,480 housing units in Eaton County
Source: U.S. Census Bureau ACS B25034 (Year Structure Built).
Water Safety Affordability
How much it costs to fix water issues relative to home values in Eaton County
Remediation costs are relatively manageable for most homeowners in Eaton County, representing a small fraction of property value.
Remediation includes water filtration, lead abatement, radon mitigation, and flood protection where applicable. Source: Census ACS, EPA SDWIS.
Health Outcomes vs National Average
CDC PLACES data for Eaton County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water Systems with Most Violations
Top 5 systems in Eaton County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | City of Eaton Rapids, | 5,340 | 6 |
| 2 | V F W National Home | 150 | 6 |
| 3 | Charter Township of Delta | 21,856 | 5 |
| 4 | Lansing Board of Water & Light | 166,000 | 4 |
| 5 | City of Potterville, | 2,617 | 4 |
22 total water systems serve Eaton County.
All ZIP Codes in Eaton County
12 ZIP codes tracked in Eaton County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 48813 | Charlotte | 83 | B | 1 | $179K |
| 2 | 48890 | Sunfield | 83 | B | 0 | $170K |
| 3 | 49076 | Olivet | 83 | B | 0 | $186K |
| 4 | 48908 | Lansing | 82 | B | 3 | — |
| 5 | 49096 | Vermontville | 82 | B | 2 | $174K |
| 6 | 48876 | Potterville | 80 | B | 3 | $188K |
| 7 | 49021 | Bellevue | 79 | B | 1 | $182K |
| 8 | 48827 | Eaton Rapids | 77 | B | 6 (1 health) | $207K |
| 9 | 48837 | Grand Ledge | 77 | B | 2 | $239K |
| 10 | 48821 | Dimondale | 73 | B | 0 | $238K |
| 11 | 48822 | Eagle | 63 | C | 0 | $283K |
| 12 | 48861 | Mulliken | 53 | D | 0 | $174K |
Recommended Buyer Guides for Eaton County
Four sources — EPA, NSF, FEMA, CDC — drive the match.
- Best Lead Paint Test Kits — 65.8% of homes built before 1978
- Best Sump Pumps — Flood is the top compound risk factor
- Best Mold Test Kits — Flood-driven moisture and mold risk
Deep Dive Reports
Detailed analysis for Eaton County, Michigan
Overview
Eaton County in Michigan covers 12 ZIP codes with an average Home Safety Score of B (76/100).
7 of 12 ZIP codes have recorded EPA violations. 1 health-based violation have been documented.
← Back to Michigan water quality report
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- Home values: U.S. Census Bureau ACS (median estimates by ZCTA)
Updated daily.