COUNTY REPORT MO

Cass County, Missouri

13 ZIP codes · Avg score 59/100 · Grade C · Updated

ZipCheckup grade for Cass County: C.

A mixed picture - some signals here are worth your attention.

Water safety in Cass County is uneven - some of its 13 ZIP codes meet standards cleanly while others carry documented violations.

How Cass County Compares

Cass County59/100
Missouri avg72/100
National avg73/100

How Cass County Compares

C
County Grade
59/100
Avg Safety Score
13
ZIP Codes
27
Water Systems

Cass County scores 13 points below the Missouri state average (72/100) and 14 points below the national average (73/100).

Data: ZipCheckup Home Safety Score model 4.0.0; EPA SDWIS, UCMR 5, EPA radon zones, EPA AirData Last verified:

C
County Grade
59
Avg Safety Score
13
ZIP Codes
Best ZIP: 64739 (65/100)
Lowest ZIP: 64012 (50/100)
$234K
Median Home Value
$2,592
Avg Remediation (111% of home value)

ZIP Code Risk Map

Water Quality Map: Cass County, Missouri

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: 13.3 (asthma 10.1%, diabetes 11.5%)

Estimated additional annual cost per homeowner: $981, driven primarily by flood

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

Violation History (2021–2024)

↑ Worsening trend

EPA violation counts by year across Cass County water systems. Health-based shown in red, total in blue.

2021
7 (7 health)
2022
3 (3 health)
2023
12 (12 health)
2024
12 (12 health)

Peak year: 2023 with 12 violations. Past 5 years: 34 total (34 health-based). Health-based violations are rising versus the prior 2-year window - worth closer monitoring.

Source: EPA SDWIS historical violations. Data may lag 6–12 months for the most recent year.

County Health Indicators vs National Average

Asthma 10.1% (national: 8.9%)
Diabetes 11.5% (national: 10.5%)
Obesity 38% (national: 32.4%)

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

Infrastructure Overview

1984
Median Build Year
48.8%
Pre-1978 Housing
38/100
Infrastructure Stress Indicator
38%
ZIPs with High Infrastructure Stress
Low
Lead Pipe Risk

Modeled area-level indicator, not a failure probability. Sources: Census ACS housing age, EPA DWINS infrastructure needs, EPA SDWIS violations, and EPA lead indicators.

Compound Risk Breakdown

Estimated additional annual cost per homeowner: $981

Flood $1,000/yr
Water Infrastructure $127/yr
Energy Code Gap $104/yr

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

Housing Age Distribution

45,351 housing units in Cass County

Pre-1940 4%
1940–1959 7%
1960–1979 25%
1980–1999 34%
2000+ 30%

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 Cass County

$234K
Median Home Value
$2,592
Est. Remediation Cost
1.1%
of Home Value
Remediation as % of home value low burden

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

Asthma 10.1% (US avg: 8.9%)
Diabetes 11.5% (US avg: 11%)
Obesity 38% (US avg: 32.4%)

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

Water systems serving Cass County

8 community water systems serving Cass County.

Show all 8 water systems

27 total water systems serve Cass County.

Systems with the most violations in Cass County

5 water systems with recorded EPA violations.

All ZIP Codes in Cass County

13 ZIP codes tracked in Cass County.

# ZIP Code City Safety Score Grade Violations Home Value
1 64739 Creighton 65 C 6 $281K
2 64746 Freeman 65 C 5 $198K
3 64747 Garden City 63 C 10 (2 health) $224K
4 64725 Archie 62 C 11 (1 health) $221K
5 64034 Greenwood 61 C 12 $312K
6 64083 Raymore 60 C 10 $316K
7 64080 Pleasant Hill 56 C 18 (2 health) $300K
8 64701 Harrisonville 56 C 20 (2 health) $234K
9 64734 Cleveland 56 C 19 (8 health) $314K
10 64078 Peculiar 51 D 21 (8 health) $284K
11 64012 Belton 50 D 25 (8 health) $201K
12 64090 Strasburg $164K
13 64743 East Lynne $165K

Recommended Buyer Guides for Cass County

Filtered against federal data, fitted to local risks.

Overview

Cass County in Missouri covers 13 tracked ZIP records with an average Home Safety Score of C (59/100) across 11 scored records.

11 of 11 ZIP codes with a reported violation count in the available EPA record have recorded EPA violations. 11 health-based violations appear in the available health breakdown.

← Back to Missouri Home Safety Profile

Data Sources

Reporting periods vary by source. Missing data is shown as unavailable, not as zero.

Frequently Asked Questions

Is water safe in Cass County?
Cass 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 Cass County?
Cass County is served by 27 public water systems that supply drinking water to residents across 13 ZIP codes.
What is the biggest environmental risk in Cass County?
The primary environmental risk factor in Cass County is flood. This contributes to an estimated additional annual cost of $981 per homeowner.
How old are homes in Cass County?
The median home build year in Cass 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 Cass County compare to Missouri?
Cass County has an average Home Safety Score of 59/100 under model 4.0.0, which is below the Missouri state average of 72/100.

How to cite this page

APA ZipCheckup. (2026). Cass County, MO: HSS 59/100; 11 Health Violations. https://zipcheckup.com/county/missouri/cass/
BibTeX
@misc{zipcheckup-county-missouri-cass,
  author = {{ZipCheckup}},
  title  = {{Cass County, MO: HSS 59/100; 11 Health Violations}},
  year   = {2026},
  url    = {https://zipcheckup.com/county/missouri/cass/}
}

Page version: August 2026.

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