COUNTY REPORT MO

Harrison County, Missouri

8 ZIP codes · Home Safety Score unavailable · 0 of 8 tracked ZIP records scored · Updated

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

Unavailable
0 of 8 tracked ZIP records scored
8
ZIP Codes
$104K
Median Home Value
$925
Avg Remediation (89% of home value)

ZIP Code Risk Map

Water Quality Map: Harrison 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: 16.1 (asthma 10.7%, diabetes 14.7%)

Estimated additional annual cost per homeowner: $574, driven primarily by flood

64.6% of homes built before 1978 (lead paint era)

Violation History (2021–2024)

→ Stable trend

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

2021
3 (3 health)
2022
2 (2 health)
2024
8 (8 health)

Peak year: 2024 with 8 violations. Past 5 years: 13 total (13 health-based).

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

County Health Indicators vs National Average

Asthma 10.7% (national: 8.9%)
Diabetes 14.7% (national: 10.5%)
Obesity 39.3% (national: 32.4%)

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

Infrastructure Overview

1965
Median Build Year
64.6%
Pre-1978 Housing
45/100
Infrastructure Stress Indicator
88%
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: $574

Flood $200/yr
Water Infrastructure $181/yr
Energy Code Gap $180/yr

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

Housing Age Distribution

3,879 housing units in Harrison County

Pre-1940 26%
1940–1959 14%
1960–1979 27%
1980–1999 15%
2000+ 18%

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 Harrison County

$104K
Median Home Value
$925
Est. Remediation Cost
0.9%
of Home Value
Remediation as % of home value low burden

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

Asthma 10.7% (US avg: 8.9%)
Diabetes 14.7% (US avg: 11%)
Obesity 39.3% (US avg: 32.4%)

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

Water systems serving Harrison County

5 community water systems serving Harrison County.

Systems with the most violations in Harrison County

4 water systems with recorded EPA violations.

All ZIP Codes in Harrison County

8 ZIP codes tracked in Harrison County.

# ZIP Code City Safety Score Grade Violations Home Value
1 64424 Bethany 13 (2 health) $120K
2 64426 Blythedale 10 (1 health) $28K
3 64442 Eagleville 10 (1 health) $119K
4 64458 Hatfield 10 (1 health)
5 64467 Martinsville 10 (1 health) $238K
6 64471 New Hampton 10 (1 health) $75K
7 64481 Ridgeway 13 (1 health) $104K
8 64642 Gilman City 11 (1 health) $88K

Recommended Buyer Guides for Harrison County

Eight risk categories drive the selection - PFAS exceedance, lead above EPA action level, pre-1978 housing share, EPA Radon Zone 1, flood-top-risk, wildfire-top-risk, multi-contaminant load, and a baseline fallback - and each category maps to a specific buyer-guide track that surfaces when the county data hits its threshold for that hazard signal.

Overview

Harrison County in Missouri covers 8 tracked ZIP records. No Home Safety Score is published because the required model evidence is incomplete for every tracked record; missing evidence is not treated as zero.

8 of 8 ZIP codes with a reported violation count in the available EPA record have recorded EPA violations. 2 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

How many water systems serve Harrison County?
Harrison County is served by 5 public water systems that supply drinking water to residents across 8 ZIP codes.
What is the biggest environmental risk in Harrison County?
The primary environmental risk factor in Harrison County is flood. This contributes to an estimated additional annual cost of $574 per homeowner.
How old are homes in Harrison County?
The median home build year in Harrison County is 1965. 64.6% of homes were built before 1978, which means they may contain lead-based paint and older plumbing materials.

How to cite this page

APA ZipCheckup. (2026). Harrison County, Missouri Home Safety Profile. https://zipcheckup.com/county/missouri/harrison/
BibTeX
@misc{zipcheckup-county-missouri-harrison,
  author = {{ZipCheckup}},
  title  = {{Harrison County, Missouri Home Safety Profile}},
  year   = {2026},
  url    = {https://zipcheckup.com/county/missouri/harrison/}
}

Page version: August 2026.

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