COUNTY REPORT MO

McDonald County, Missouri

10 ZIP codes · Avg score 71/100 · Grade B · Updated 2026-06-03

Homeowners across McDonald County's 10 ZIP codes live with water safety scores that generally beat state and national averages.

How McDonald County Compares

McDonald County71/100
Missouri avg69/100
National avg68/100

How McDonald County Compares

B
County Grade
71/100
Avg Safety Score
10
ZIP Codes
9
Water Systems

McDonald County scores 2 points above the Missouri state average (69/100) and 3 points above the national average (68/100).

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

B
County Grade
71
Avg Safety Score
10
ZIP Codes
Best ZIP: 64867 (83/100)
Lowest ZIP: 64868 (53/100)
$148K
Median Home Value
$1,870
Avg Remediation (127% of home value)

ZIP Code Risk Map

Water Quality Map: McDonald 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: 16.6 (asthma 11.3%, diabetes 15.8%)

Estimated additional annual cost per homeowner: $1,261, driven primarily by flood

Infrastructure: 0.366% avg pipe failure probability, 30% of ZIPs at high risk

61.3% of homes built before 1978 (lead paint era)

Violation History (2022–2025)

→ Stable trend

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

2022
2 (2 health)
2025
3 (3 health)

Peak year: 2025 with 3 violations. Past 5 years: 5 total (5 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 15.8% (national: 10.5%)
Obesity 43% (national: 32.4%)

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

Infrastructure Overview

1986
Median Build Year
61.3%
Pre-1978 Housing
37%
Pipe Failure Probability
30%
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: $1,261

Flood $680/yr
Wildfire $270/yr
Water / Lead $185/yr

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

Housing Age Distribution

9,355 housing units in McDonald County

Pre-1940 10%
1940–1959 13%
1960–1979 23%
1980–1999 33%
2000+ 21%

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 McDonald County

$148K
Median Home Value
$1,870
Est. Remediation Cost
1.3%
of Home Value
Remediation as % of home value low burden

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

Asthma 11.3% (US avg: 8.9%)
Diabetes 15.8% (US avg: 11%)
Obesity 43% (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 McDonald County ranked by EPA violation count.

# Water System Population Violations
1 Pineville Public Water System 791 17
2 Sky Blue Water Inc. 75 15
3 Mc Donald County Pwsd 2 1,500 8
4 Lanagan Public Water System 373 8
5 Anderson Public Water System 1,961 5

9 total water systems serve McDonald County.

All ZIP Codes in McDonald County

10 ZIP codes tracked in McDonald County.

# ZIP Code City Safety Score Grade Violations Home Value
1 64867 Stella 83 B 1 $154K
2 64843 Goodman 82 B 3 $113K
3 64861 Rocky Comfort 82 B 2 $158K
4 64847 Lanagan 76 B 8 $55K
5 64831 Anderson 72 B 2 $148K
6 64854 Noel 68 C 0 $92K
7 64856 Pineville 66 C 15 (3 health) $174K
8 64863 South West City 63 C 0 $150K
9 65730 Powell 63 C 0
10 64868 Tiff City 53 D 0 $95K

Recommended Buyer Guides for McDonald County

Strictly editorial — no paid placements influence which guides appear; the selection draws on NSF certifications and EPA detection records for water systems serving this county.

Overview

McDonald County in Missouri covers 10 ZIP codes with an average Home Safety Score of B (71/100).

6 of 10 ZIP codes have recorded EPA violations. 3 health-based violations have been documented.

← Back to Missouri water quality report

Data Sources

Updated daily.

Frequently Asked Questions

Is water safe in McDonald County?
McDonald County receives a grade of B, indicating generally safe tap water across its 10 ZIP codes.
How many water systems serve McDonald County?
McDonald County is served by 9 public water systems that supply drinking water to residents across 10 ZIP codes.
What is the biggest environmental risk in McDonald County?
The primary environmental risk factor in McDonald County is flood. This contributes to an estimated additional annual cost of $1,261 per homeowner.
How old are homes in McDonald County?
The median home build year in McDonald County is 1986. 61.3% of homes were built before 1978, which means they may contain lead-based paint and older plumbing materials.
How does McDonald County compare to Missouri?
McDonald County has an average water safety score of 71/100, which is above the Missouri state average of 69/100.

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