COUNTY REPORT MI

Leelanau County, Michigan

8 ZIP codes · Avg score 68/100 · Grade C · Updated 2026-06-04

Compared to top-scoring counties, Leelanau County's 8 ZIP codes land in the middle tier — some meet standards cleanly, others carry documented violations, and the gap between the best and worst areas is wider than average.

How Leelanau County Compares

Leelanau County68/100
Michigan avg74/100
National avg68/100

How Leelanau County Compares

C
County Grade
68/100
Avg Safety Score
8
ZIP Codes
10
Water Systems

Leelanau County scores 6 points below the Michigan state average (74/100) and 0 points above the national average (68/100).

Data: EPA SDWIS Last verified: 2026-06-04

C
County Grade
68
Avg Safety Score
8
ZIP Codes
Best ZIP: 49664 (83/100)
Lowest ZIP: 49674 (53/100)
$494K
Median Home Value
$1,000
Avg Remediation (20% of home value)

ZIP Code Risk Map

Water Quality Map: Leelanau County, Michigan

Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.

A B C D F

Key Risk Factors

Health risk index: 13.7 (asthma 10.5%, diabetes 12.2%)

Estimated additional annual cost per homeowner: $571, driven primarily by energy_code_gap

Infrastructure: 0.32% avg pipe failure probability

48.8% of homes built before 1978 (lead paint era)

County Health Indicators vs National Average

Asthma 10.5% (national: 8.9%)
Diabetes 12.2% (national: 10.5%)
Obesity 31.7% (national: 32.4%)

Black markers indicate national averages. Source: CDC PLACES, Census ACS.

Infrastructure Overview

1984
Median Build Year
48.8%
Pre-1978 Housing
32%
Pipe Failure Probability
0%
ZIPs at High Infra Risk
Low
Lead Pipe Risk

Sources: Census ACS (housing age), EPA SDWIS (infrastructure risk model), state bridge inspection data.

Compound Risk Breakdown

Estimated additional annual cost per homeowner: $571

Energy Code Gap $248/yr
Flood $150/yr
Water / Lead $94/yr

Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).

Housing Age Distribution

11,305 housing units in Leelanau County

Pre-1940 11%
1940–1959 7%
1960–1979 22%
1980–1999 36%
2000+ 24%

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 Leelanau County

$494K
Median Home Value
$1,000
Est. Remediation Cost
0.2%
of Home Value
Remediation as % of home value low burden

Remediation costs are relatively manageable for most homeowners in Leelanau 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 Leelanau County residents

Asthma 10.5% (US avg: 8.9%)
Diabetes 12.2% (US avg: 11%)
Obesity 31.7% (US avg: 32.4%)

Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.

Water Systems with Most Violations

Top 5 systems in Leelanau County ranked by EPA violation count.

# Water System Population Violations
1 Empire, Village of 400 5
2 Homestead/crystal River Water Company 1,365 5
3 The Leelanau School 82 5
4 SUTTONS BAY, VILLAGE OF 874 4
5 Leelanau Company Law Enforcement Center 75 4

10 total water systems serve Leelanau County.

All ZIP Codes in Leelanau County

8 ZIP codes tracked in Leelanau County.

# ZIP Code City Safety Score Grade Violations Home Value
1 49664 Maple City 83 B 0 $437K
2 49670 Northport 81 B 2 $456K
3 49682 Suttons Bay 80 B 4 $367K
4 49636 Glen Arbor 78 B 5 $744K
5 49621 Cedar 63 C 0 $342K
6 49653 Lake Leelanau 53 D 0 $532K
7 49654 Leland 53 D 0 $691K
8 49674 Omena 53 D 0 $643K

Recommended Buyer Guides for Leelanau County

Four sources — EPA, NSF, FEMA, CDC — drive the match.

Overview

Leelanau County in Michigan covers 8 ZIP codes with an average Home Safety Score of C (68/100).

3 of 8 ZIP codes have recorded EPA violations. All violations are monitoring/reporting type.

← Back to Michigan water quality report

Data Sources

Updated daily.

Frequently Asked Questions

Is water safe in Leelanau County?
Leelanau County receives a grade of C. Some ZIP codes have recorded violations and residents in affected areas may want to test their water.
How many water systems serve Leelanau County?
Leelanau County is served by 10 public water systems that supply drinking water to residents across 8 ZIP codes.
What is the biggest environmental risk in Leelanau County?
The primary environmental risk factor in Leelanau County is energy_code_gap. This contributes to an estimated additional annual cost of $571 per homeowner.
How old are homes in Leelanau County?
The median home build year in Leelanau County is 1984. 48.8% of homes were built before 1978, which means they may contain lead-based paint and older plumbing materials.
How does Leelanau County compare to Michigan?
Leelanau County has an average water safety score of 68/100, which is below the Michigan state average of 74/100.

Get safety alerts for Leelanau, Michigan

Free updates when EPA data changes for this area. No spam.

Unsubscribe anytime. Privacy Policy.

Share This Page

X Facebook
Check your water filter options Free tool — no phone call required.