Grand Traverse County, Michigan
12 ZIP codes · Avg score 84/100 · Grade B · Updated 2026-06-04
Tracking 12 ZIP codes in Grand Traverse County shows a water safety record well above the national median — violations are isolated exceptions, not recurring patterns.
How Grand Traverse County Compares
How Grand Traverse County Compares
Grand Traverse County scores 10 points above the Michigan state average (74/100) and 16 points above the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-04
ZIP Code Risk Map
Water Quality Map: Grand Traverse County, Michigan
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 13.2 (asthma 11%, diabetes 10.9%)
Estimated additional annual cost per homeowner: $578, driven primarily by flood
Infrastructure: 0.315% avg pipe failure probability
45.7% 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: $578
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
51,617 housing units in Grand Traverse 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 Grand Traverse County
Remediation costs are relatively manageable for most homeowners in Grand Traverse 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 Grand Traverse 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 Grand Traverse County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | Garfield Charter Township | 12,899 | 12 |
| 2 | Kingsley, Village of | 1,657 | 9 |
| 3 | The Lighthouse-traverse City Llc | 55 | 8 |
| 4 | Buckley, Village of | 529 | 6 |
| 5 | East Bay Charter Township | 3,720 | 6 |
18 total water systems serve Grand Traverse County.
All ZIP Codes in Grand Traverse County
12 ZIP codes tracked in Grand Traverse County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 49637 | Grawn | 99 | A | 0 | $228K |
| 2 | 49685 | Traverse City | 95 | A | 1 | $309K |
| 3 | 49686 | Traverse City | 95 | A | 1 | $296K |
| 4 | 49684 | Traverse City | 90 | A | 1 | $376K |
| 5 | 49696 | Traverse City | 90 | A | 1 | $289K |
| 6 | 49620 | Buckley | 87 | A | 6 (1 health) | $207K |
| 7 | 49690 | Williamsburg | 86 | A | 2 | $329K |
| 8 | 49649 | Kingsley | 84 | B | 8 | $247K |
| 9 | 49643 | Interlochen | 79 | B | 0 | $247K |
| 10 | 49610 | Acme | 66 | C | 0 | — |
| 11 | 49650 | Lake Ann | 66 | C | 0 | $238K |
| 12 | 49666 | Mayfield | 66 | C | 0 | — |
Recommended Buyer Guides for Grand Traverse County
Filtered against federal data, fitted to local risks.
- 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 Grand Traverse County, Michigan
Overview
Grand Traverse County in Michigan covers 12 ZIP codes with an average Home Safety Score of B (84/100).
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.