COUNTY REPORT MO

Carter County, Missouri

4 ZIP codes · Avg score 75/100 · Grade B · Updated 2026-06-03

Within Carter County's 4 tracked ZIP codes, safety indicators remain above the national average with few health-based violations on record.

How Carter County Compares

Carter County75/100
Missouri avg69/100
National avg68/100

How Carter County Compares

B
County Grade
75/100
Avg Safety Score
4
ZIP Codes
8
Water Systems

Carter County scores 6 points above the Missouri state average (69/100) and 7 points above the national average (68/100).

Data: EPA SDWIS Last verified: 2026-06-03

B
County Grade
75
Avg Safety Score
4
ZIP Codes
Best ZIP: 63937 (81/100)
Lowest ZIP: 63943 (72/100)
$98K
Median Home Value
$1,450
Avg Remediation (147% of home value)

Key Risk Factors

Health risk index: 16.9 (asthma 11.3%, diabetes 15.7%)

Estimated additional annual cost per homeowner: $1,403, driven primarily by flood

Infrastructure: 0.363% avg pipe failure probability, 25% of ZIPs at high risk

56.8% of homes built before 1978 (lead paint era)

Violation History (2021–2024)

→ Stable trend

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

2021
1 (1 health)
2024
1 (1 health)

Peak year: 2021 with 1 violation. Past 5 years: 2 total (2 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 11.3% (national: 8.9%)
Diabetes 15.7% (national: 10.5%)
Obesity 40% (national: 32.4%)

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

Infrastructure Overview

1985
Median Build Year
56.8%
Pre-1978 Housing
36%
Pipe Failure Probability
25%
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: $1,403

Flood $900/yr
Wildfire $300/yr
Water / Lead $113/yr

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

Housing Age Distribution

3,059 housing units in Carter County

Pre-1940 4%
1940–1959 7%
1960–1979 34%
1980–1999 28%
2000+ 28%

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 Carter County

$98K
Median Home Value
$1,450
Est. Remediation Cost
1.5%
of Home Value
Remediation as % of home value low burden

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

Asthma 11.3% (US avg: 8.9%)
Diabetes 15.7% (US avg: 11%)
Obesity 40% (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 Carter County ranked by EPA violation count.

# Water System Population Violations
1 Carter County Pwsd 2 50 8
2 Butler County Pwsd 1 11,500 5
3 Ellsinore Public Water System 500 5
4 RIPLEY COUNTY PWSD 2 2,780 1
5 Grandin Public Water System 240 1

8 total water systems serve Carter County.

All ZIP Codes in Carter County

4 ZIP codes tracked in Carter County.

# ZIP Code City Safety Score Grade Violations Home Value
1 63937 Ellsinore 81 B 5 $216K
2 63941 Fremont 73 B 8 $72K
3 63965 Van Buren 73 B 0 $119K
4 63943 Grandin 72 B 1 $78K

Recommended Buyer Guides for Carter County

Federal and certification sources drive the ordering: EPA monitoring data, NSF certifications, FEMA flood maps, and CDC lead guidance — guides surface only when county data warrants them.

Overview

Carter County in Missouri covers 4 ZIP codes with an average Home Safety Score of B (75/100).

3 of 4 ZIP codes have recorded EPA violations. All violations are monitoring/reporting type.

← Back to Missouri water quality report

Data Sources

Updated daily.

Frequently Asked Questions

Is water safe in Carter County?
Carter County receives a grade of B, indicating generally safe tap water across its 4 ZIP codes.
How many water systems serve Carter County?
Carter County is served by 8 public water systems that supply drinking water to residents across 4 ZIP codes.
What is the biggest environmental risk in Carter County?
The primary environmental risk factor in Carter County is flood. This contributes to an estimated additional annual cost of $1,403 per homeowner.
How old are homes in Carter County?
The median home build year in Carter County is 1985. 56.8% of homes were built before 1978, which means they may contain lead-based paint and older plumbing materials.
How does Carter County compare to Missouri?
Carter County has an average water safety score of 75/100, which is above the Missouri state average of 69/100.

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