2026 Rankings

Allegan County, Michigan Home Safety Rankings - 20 ZIPs

Explore rankings under Home Safety Score model 4.0.0. Only ZIPs with all four required inputs are ranked; missing evidence is not imputed or reweighted.

Allegan County, Michigan (Michigan) includes 20 tracked ZIP codes and 17 mapped community water systems; confirm service for a specific address. Below are the water quality rankings for metro ZIPs with all required inputs.

Average Home Safety Grade: A (99/100)

Grade ZIP Codes %
A 6 100%
B 0 0%
C 0 0%
D 0 0%
F 0 0%

Top 10 ZIP Codes by Home Safety Score

Rank ZIP City Score Grade
1 49423 Holland 100 A
2 49078 Otsego 99 A
3 49080 Plainwell 99 A
4 49424 Holland 99 A
5 49010 Allegan 98 A
6 49453 Saugatuck 97 A

10 Riskiest ZIP Codes

Rank ZIP City Score Grade Risk Factor
1 49453 Saugatuck 97 A 6 violations
2 49010 Allegan 98 A 6 violations
3 49424 Holland 99 A 3 violation(s)
4 49080 Plainwell 99 A 3 violation(s)
5 49078 Otsego 99 A 3 violation(s)
6 49423 Holland 100 A 1 violation(s)

Most Common Contaminant Violations

Contaminant Violations ZIPs Affected
Stage 2 DBP Rule 10 5
Surface Water Treatment Rule 9 5
Consumer Confidence Report Rule 9 7
Stage 1 DBP Rule 6 6
Total Trihalomethanes (TTHM) 5 5
Haloacetic Acids (HAA5) 5 5
Chlorine residual 4 4
Chlorite 3 1

Lead Risk

  • Average of reported 90th-percentile lead results: 0.0019 mg/L (below EPA action level)
  • 0 of 12 ZIP codes with known status exceed EPA lead action level
  • 21% of housing built before 1950
  • 37% of housing built before 1970

Cities in This Metro

All 20 ZIP Codes Ranked

View complete ranking
Rank ZIP City Score Grade Violations
1 49423 Holland 100 A 1
2 49078 Otsego 99 A 3
3 49080 Plainwell 99 A 3
4 49424 Holland 99 A 3
5 49010 Allegan 98 A 6
6 49453 Saugatuck 97 A 6
7 49063 Lacota — — —
8 49070 Martin — — 1
9 49090 South Haven — — 7
10 49323 Dorr — — 2
11 49328 Hopkins — — —
12 49335 Moline — — —
13 49406 Douglas — — 6
14 49408 Fennville — — 7
15 49419 Hamilton — — 7
16 49434 Macatawa — — —
17 49450 Pullman — — —

Data Sources

  • Water quality: EPA SDWIS
  • Housing: U.S. Census Bureau American Community Survey
  • Flood: FEMA NFIP
  • Flood scope: historical NFIP claim records and claim-rated-zone evidence; this is not current property-map coverage.

Reporting periods vary by source; the page metadata identifies this materialization.

Methodology
Model 4.0.0 averages SDWIS water compliance and UCMR5 PFAS within drinking water, then averages drinking water, county radon, and annual AQI as three equal domains. All four inputs are required. Score methodology → · Rankings methodology →
Disclaimer: Scores are based on EPA SDWIS reported data and are not a guarantee of current water safety. Water quality can change. For the most current information, contact your local water utility or request a Consumer Confidence Report.

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How to cite this page

APA ZipCheckup. (2026). Allegan County, Michigan Home Safety Rankings - 20 ZIPs. https://zipcheckup.com/rankings/metro/allegan-michigan/
BibTeX
@misc{zipcheckup-rankings-metro-allegan-michigan,
  author = {{ZipCheckup}},
  title  = {{Allegan County, Michigan Home Safety Rankings - 20 ZIPs}},
  year   = {2026},
  url    = {https://zipcheckup.com/rankings/metro/allegan-michigan/}
}

Page version: October 2026.

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