2026 Rankings

Cass County, Missouri Home Safety Rankings - 13 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.

Cass County, Missouri (Missouri) includes 13 tracked ZIP codes and 22 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: C (63/100)

Grade ZIP Codes %
A 0 0%
B 1 14%
C 6 86%
D 0 0%
F 0 0%

Top 10 ZIP Codes by Home Safety Score

Rank ZIP City Score Grade
1 64801 Joplin 72 B
2 64739 Creighton 65 C
3 64746 Freeman 65 C
4 64747 Garden City 63 C
5 64725 Archie 62 C
6 64701 Harrisonville 56 C
7 64734 Cleveland 56 C

10 Riskiest ZIP Codes

Rank ZIP City Score Grade Risk Factor
1 64734 Cleveland 56 C 19 violations
2 64701 Harrisonville 56 C 20 violations
3 64725 Archie 62 C 11 violations
4 64747 Garden City 63 C 10 violations
5 64746 Freeman 65 C 5 violations
6 64739 Creighton 65 C 6 violations
7 64801 Joplin 72 B 17 violations

Most Common Contaminant Violations

Contaminant Violations ZIPs Affected
Stage 2 DBP Rule 17 5
Consumer Confidence Report Rule 17 5
Haloacetic Acids (HAA5) 16 9
Total Trihalomethanes (TTHM) 14 9
Stage 1 DBP Rule 14 9
Surface Water Treatment Rule 12 9
Lead and Copper Rule 10 9
Chlorite 4 2

Lead Risk

  • Average of reported 90th-percentile lead results: 0.0041 mg/L (below EPA action level)
  • 0 of 9 ZIP codes with known status exceed EPA lead action level
  • 16% of housing built before 1950
  • 33% of housing built before 1970

Cities in This Metro

All 13 ZIP Codes Ranked

View complete ranking
Rank ZIP City Score Grade Violations
1 64801 Joplin 72 B 17
2 64739 Creighton 65 C 6
3 64746 Freeman 65 C 5
4 64747 Garden City 63 C 10
5 64725 Archie 62 C 11
6 64701 Harrisonville 56 C 20
7 64734 Cleveland 56 C 19
8 64742 Drexel — — 7
9 64743 East Lynne — — —
10 64804 Joplin — — 13

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). Cass County, Missouri Home Safety Rankings - 13 ZIPs. https://zipcheckup.com/rankings/metro/cass-missouri/
BibTeX
@misc{zipcheckup-rankings-metro-cass-missouri,
  author = {{ZipCheckup}},
  title  = {{Cass County, Missouri Home Safety Rankings - 13 ZIPs}},
  year   = {2026},
  url    = {https://zipcheckup.com/rankings/metro/cass-missouri/}
}

Page version: October 2026.

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