Gratiot County, Michigan
14 ZIP codes · Avg score 78/100 · Grade B · Updated 2026-06-03
Within Gratiot County's 14 tracked ZIP codes, safety indicators remain above the national average with few health-based violations on record.
How Gratiot County Compares
How Gratiot County Compares
Gratiot 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
ZIP Code Risk Map
Water Quality Map: Gratiot County, Michigan
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 13.8 (asthma 11.3%, diabetes 11.5%)
Estimated additional annual cost per homeowner: $961, driven primarily by energy_code_gap
Infrastructure: 0.429% avg pipe failure probability, 67% of ZIPs at high risk
78.4% 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: $961
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
15,791 housing units in Gratiot 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 Gratiot County
Remediation costs are relatively manageable for most homeowners in Gratiot 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 Gratiot 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 Gratiot County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | City of Ithaca, | 3,098 | 14 |
| 2 | Mapleview Nursing Home | 45 | 14 |
| 3 | Ashley, Village of | 526 | 2 |
| 4 | Breckenridge, Village of | 1,339 | 1 |
| 5 | PERRINTON, VILLAGE OF | 439 | 1 |
7 total water systems serve Gratiot County.
All ZIP Codes in Gratiot County
14 ZIP codes tracked in Gratiot County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 48615 | Breckenridge | 99 | A | 1 | $129K |
| 2 | 48871 | Perrinton | 99 | A | 1 | $205K |
| 3 | 48806 | Ashley | 95 | A | 2 | $146K |
| 4 | 48802 | Alma | 88 | A | 0 | — |
| 5 | 48847 | Ithaca | 88 | A | 14 | $164K |
| 6 | 48801 | Alma | 82 | B | 0 | $120K |
| 7 | 48880 | Saint Louis | 73 | B | 0 | $134K |
| 8 | 48889 | Sumner | 73 | B | 0 | $138K |
| 9 | 48662 | Wheeler | 66 | C | 0 | $130K |
| 10 | 48832 | Elwell | 66 | C | 0 | $146K |
| 11 | 48833 | Eureka | 66 | C | 0 | — |
| 12 | 48856 | Middleton | 66 | C | 0 | $142K |
| 13 | 48862 | North Star | 66 | C | 0 | $73K |
| 14 | 48874 | Pompeii | 66 | C | 0 | $109K |
Recommended Buyer Guides for Gratiot County
Where county records show a lead exceedance or pre-1978 housing concentration, lead-specific filters and test kits move toward the top of the list.
- Best Lead Paint Test Kits — 78.4% of homes built before 1978
Deep Dive Reports
Detailed analysis for Gratiot County, Michigan
Overview
Gratiot County in Michigan covers 14 ZIP codes with an average Home Safety Score of B (78/100).
4 of 14 ZIP codes 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.