Ransom County, Michigan
1 ZIP code · Avg score 78/100 · Grade B · Updated 2026-06-03
Homeowners across Ransom County's 1 ZIP code live with water safety scores that generally beat state and national averages.
How Ransom County Compares
How Ransom County Compares
Ransom County scores 4 points above the Michigan state average (74/100) and 10 points above the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-03
Key Risk Factors
Health risk index: 13.7 (asthma 9.9%, diabetes 12.1%)
Estimated additional annual cost per homeowner: $1,370, driven primarily by flood
Infrastructure: 0.42% avg pipe failure probability, 100% of ZIPs at high risk
86% of homes built before 1978 (lead paint era)
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: $1,370
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
8,848 housing units in Ransom 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 Ransom County
Remediation costs are relatively manageable for most homeowners in Ransom 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 Ransom 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 Ransom County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | Southfield | 71,739 | 5 |
| 2 | Highland Greens Estates | 2,268 | 5 |
| 3 | Northville Crossing | 1,890 | 5 |
| 4 | Cidermill Crossings | 1,863 | 5 |
| 5 | Egelcraft Mobile Home Park | 1,125 | 5 |
All ZIP Codes in Ransom County
1 ZIP code tracked in Ransom County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 48033 | Southfield | 78 | B | 5 | $195K |
Recommended Buyer Guides for Ransom County
Editorial methodology pairs each documented risk in this county with the buyer category that addresses it, drawing on water-quality detections, housing-stock lead exposure, EPA Radon Zone designation, and FEMA flood and wildfire ratings. NSF-certified options surface where applicable, and products that match the specific contaminant take priority.
- Best Lead Paint Test Kits — 86% of homes built before 1978
- Best Radon Test Kits — EPA Radon Zone 1 (highest risk) dominant in county
- Best Sump Pumps — Flood is the top compound risk factor
- Best Mold Test Kits — Flood-driven moisture and mold risk
Overview
Ransom County in Michigan covers 1 ZIP code with an average Home Safety Score of B (78/100).
1 of 1 ZIP code have recorded EPA violations. All violations are monitoring/reporting type.
← 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.