COUNTY REPORT MO

Miller County, Missouri

9 ZIP codes · Avg score 68/100 · Grade C · Updated 2026-06-03

In recent monitoring cycles, Miller County's 9 ZIP codes show a split record — several have documented water safety violations.

How Miller County Compares

Miller County68/100
Missouri avg69/100
National avg68/100

How Miller County Compares

C
County Grade
68/100
Avg Safety Score
9
ZIP Codes
12
Water Systems

Miller County scores 1 points below the Missouri state average (69/100) and 0 points above the national average (68/100).

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

C
County Grade
68
Avg Safety Score
9
ZIP Codes
Best ZIP: 65032 (83/100)
Lowest ZIP: 65083 (53/100)
$159K
Median Home Value
$1,400
Avg Remediation (88% of home value)

ZIP Code Risk Map

Water Quality Map: Miller 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: 15 (asthma 10.7%, diabetes 13.4%)

Estimated additional annual cost per homeowner: $583, driven primarily by flood

Infrastructure: 0.351% avg pipe failure probability, 13% of ZIPs at high risk

59.1% of homes built before 1978 (lead paint era)

Violation History (2022–2025)

→ Stable trend

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

2022
2 (2 health)
2024
3 (3 health)
2025
2 (2 health)

Peak year: 2024 with 3 violations. Past 5 years: 7 total (7 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 13.4% (national: 10.5%)
Obesity 37.7% (national: 32.4%)

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

Infrastructure Overview

1986
Median Build Year
59.1%
Pre-1978 Housing
35%
Pipe Failure Probability
13%
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: $583

Flood $222/yr
Water / Lead $161/yr
Wildfire $100/yr

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

Housing Age Distribution

11,723 housing units in Miller County

Pre-1940 6%
1940–1959 9%
1960–1979 32%
1980–1999 28%
2000+ 24%

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 Miller County

$159K
Median Home Value
$1,400
Est. Remediation Cost
0.9%
of Home Value
Remediation as % of home value low burden

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

Asthma 10.7% (US avg: 8.9%)
Diabetes 13.4% (US avg: 11%)
Obesity 37.7% (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 Miller County ranked by EPA violation count.

# Water System Population Violations
1 Lake Ozark Public Water System 2,007 10
2 Eldon Public Water System 4,895 10
3 Beach Club Condo Assn 65 10
4 Tt Sewer 250 10
5 Osage Beach Harbor Subd 230 10

12 total water systems serve Miller County.

All ZIP Codes in Miller County

9 ZIP codes tracked in Miller County.

# ZIP Code City Safety Score Grade Violations Home Value
1 65032 Eugene 83 B 1 $162K
2 65082 Tuscumbia 83 B 0 $164K
3 65486 Iberia 82 B 3 (1 health) $142K
4 65026 Eldon 77 B 10 (1 health) $159K
5 63342 Dutzow 63 C 0
6 65072 Rocky Mount 63 C 0 $230K
7 65017 Brumley 53 D 0 $145K
8 65064 Olean 53 D 0 $118K
9 65083 Ulman 53 D 0

Recommended Buyer Guides for Miller County

Editorial methodology pairs each documented risk in this county with the buyer category that addresses it, drawing on water-quality detections, housing-stock lead exposure, EPA Radon Zone designation, and FEMA flood and wildfire ratings. NSF-certified options surface where applicable, and products that match the specific contaminant take priority.

Overview

Miller County in Missouri covers 9 ZIP codes with an average Home Safety Score of C (68/100).

3 of 9 ZIP codes have recorded EPA violations. 2 health-based violations have been documented.

← Back to Missouri water quality report

Data Sources

Updated daily.

Frequently Asked Questions

Is water safe in Miller County?
Miller 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 Miller County?
Miller County is served by 12 public water systems that supply drinking water to residents across 9 ZIP codes.
What is the biggest environmental risk in Miller County?
The primary environmental risk factor in Miller County is flood. This contributes to an estimated additional annual cost of $583 per homeowner.
How old are homes in Miller County?
The median home build year in Miller County is 1986. 59.1% of homes were built before 1978, which means they may contain lead-based paint and older plumbing materials.
How does Miller County compare to Missouri?
Miller County has an average water safety score of 68/100, which is below the Missouri state average of 69/100.

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