COUNTY REPORT MO

Moniteau County, Missouri

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

In current tracking cycles, Moniteau County — spanning 9 ZIP codes — records above-average water quality outcomes; the county's compliance history over recent years shows few departures from federal standards.

How Moniteau County Compares

Moniteau County75/100
Missouri avg69/100
National avg68/100

How Moniteau County Compares

B
County Grade
75/100
Avg Safety Score
9
ZIP Codes
9
Water Systems

Moniteau 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
9
ZIP Codes
Best ZIP: 65025 (83/100)
Lowest ZIP: 65055 (53/100)
$165K
Median Home Value
$1,011
Avg Remediation (61% of home value)

ZIP Code Risk Map

Water Quality Map: Moniteau 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: 14.1 (asthma 10.4%, diabetes 11.9%)

Estimated additional annual cost per homeowner: $401, driven primarily by flood

Infrastructure: 0.386% avg pipe failure probability, 29% of ZIPs at high risk

57.7% of homes built before 1978 (lead paint era)

Violation History (2022–2024)

→ Stable trend

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

2022
2 (2 health)
2024
1 (1 health)

Peak year: 2022 with 2 violations. Past 5 years: 3 total (3 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 10.4% (national: 8.9%)
Diabetes 11.9% (national: 10.5%)
Obesity 39.2% (national: 32.4%)

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

Infrastructure Overview

1980
Median Build Year
57.7%
Pre-1978 Housing
39%
Pipe Failure Probability
29%
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: $401

Flood $200/yr
Water / Lead $111/yr
Energy Code Gap $90/yr

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

Housing Age Distribution

6,363 housing units in Moniteau County

Pre-1940 15%
1940–1959 13%
1960–1979 24%
1980–1999 28%
2000+ 19%

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 Moniteau County

$165K
Median Home Value
$1,011
Est. Remediation Cost
0.6%
of Home Value
Remediation as % of home value low burden

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

Asthma 10.4% (US avg: 8.9%)
Diabetes 11.9% (US avg: 11%)
Obesity 39.2% (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 Moniteau County ranked by EPA violation count.

# Water System Population Violations
1 Tipton Public Water System 2,861 7
2 Moniteau County Pwsd 1 200 7
3 Cooper County Consolidated Pwsd # 1 2,451 6
4 Blackwater Public Water System 181 6
5 Moniteau County Pwsd 2 1,400 3

9 total water systems serve Moniteau County.

All ZIP Codes in Moniteau County

9 ZIP codes tracked in Moniteau County.

# ZIP Code City Safety Score Grade Violations Home Value
1 65025 Clarksburg 83 B 0 $168K
2 65050 Latham 83 B 0 $224K
3 65081 Tipton 83 B 0 $148K
4 65018 California 82 B 2 (1 health) $163K
5 65034 Fortuna 81 B 7 (2 health)
6 65046 Jamestown 78 B 1 $205K
7 65322 Blackwater 77 B 6 $163K
8 65042 High Point 53 D 0
9 65055 Mc Girk 53 D 0

Recommended Buyer Guides for Moniteau 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

Moniteau County in Missouri covers 9 ZIP codes with an average Home Safety Score of B (75/100).

4 of 9 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 Moniteau County?
Moniteau County receives a grade of B, indicating generally safe tap water across its 9 ZIP codes.
How many water systems serve Moniteau County?
Moniteau County is served by 9 public water systems that supply drinking water to residents across 9 ZIP codes.
What is the biggest environmental risk in Moniteau County?
The primary environmental risk factor in Moniteau County is flood. This contributes to an estimated additional annual cost of $401 per homeowner.
How old are homes in Moniteau County?
The median home build year in Moniteau County is 1980. 57.7% of homes were built before 1978, which means they may contain lead-based paint and older plumbing materials.
How does Moniteau County compare to Missouri?
Moniteau County has an average water safety score of 75/100, which is above the Missouri state average of 69/100.

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