COUNTY REPORT MO

Cooper County, Missouri

7 ZIP codes · Avg score 79/100 · Grade B · Updated 2026-06-03

Based on current EPA data, Cooper County's 7 ZIP codes maintain an above-average drinking water safety record.

How Cooper County Compares

Cooper County79/100
Missouri avg69/100
National avg68/100

How Cooper County Compares

B
County Grade
79/100
Avg Safety Score
7
ZIP Codes
15
Water Systems

Cooper County scores 10 points above the Missouri state average (69/100) and 11 points above the national average (68/100).

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

B
County Grade
79
Avg Safety Score
7
ZIP Codes
Best ZIP: 65068 (83/100)
Lowest ZIP: 65279 (63/100)
$193K
Median Home Value
$1,143
Avg Remediation (59% of home value)

ZIP Code Risk Map

Water Quality Map: Cooper 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: 13.6 (asthma 10.4%, diabetes 11.8%)

Estimated additional annual cost per homeowner: $544, driven primarily by water_lead

Infrastructure: 0.404% avg pipe failure probability, 43% of ZIPs at high risk

62.3% of homes built before 1978 (lead paint era)

County Health Indicators vs National Average

Asthma 10.4% (national: 8.9%)
Diabetes 11.8% (national: 10.5%)
Obesity 36.4% (national: 32.4%)

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

Infrastructure Overview

1974
Median Build Year
62.3%
Pre-1978 Housing
40%
Pipe Failure Probability
43%
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: $544

Water / Lead $286/yr
Flood $143/yr
Energy Code Gap $116/yr

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

Housing Age Distribution

7,801 housing units in Cooper County

Pre-1940 20%
1940–1959 10%
1960–1979 26%
1980–1999 27%
2000+ 16%

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 Cooper County

$193K
Median Home Value
$1,143
Est. Remediation Cost
0.6%
of Home Value
Remediation as % of home value low burden

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

Asthma 10.4% (US avg: 8.9%)
Diabetes 11.8% (US avg: 11%)
Obesity 36.4% (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 Cooper County ranked by EPA violation count.

# Water System Population Violations
1 COOPER COUNTY PWSD 1 562 10
2 Cooper County Consolidated Pwsd # 1 2,451 7
3 Boonville Public Water System 7,964 5
4 Jcrp at the Lake Llc 150 5
5 Moniteau County Pwsd 2 1,400 3

15 total water systems serve Cooper County.

All ZIP Codes in Cooper County

7 ZIP codes tracked in Cooper County.

# ZIP Code City Safety Score Grade Violations Home Value
1 65068 Prairie Home 83 B 1 $193K
2 65237 Bunceton 83 B 1 $122K
3 65276 Pilot Grove 83 B 0 $183K
4 65348 Otterville 83 B 1 $192K
5 65287 Wooldridge 82 B 3
6 65233 Boonville 79 B 5 $206K
7 65279 Rocheport 63 C 0 $283K

Recommended Buyer Guides for Cooper County

Designed to find the guide that fits the county, not the other way around — the system reads EPA detections, FEMA hazard layers, and CDC lead-exposure markers, then outputs the categories that resolve those specific risks for households here, with NSF-certified products surfaced when the matching contaminant appears in the local monitoring data.

Overview

Cooper County in Missouri covers 7 ZIP codes with an average Home Safety Score of B (79/100).

5 of 7 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 Cooper County?
Cooper County receives a grade of B, indicating generally safe tap water across its 7 ZIP codes.
How many water systems serve Cooper County?
Cooper County is served by 15 public water systems that supply drinking water to residents across 7 ZIP codes.
What is the biggest environmental risk in Cooper County?
The primary environmental risk factor in Cooper County is water_lead. This contributes to an estimated additional annual cost of $544 per homeowner.
How old are homes in Cooper County?
The median home build year in Cooper County is 1974. 62.3% of homes were built before 1978, which means they may contain lead-based paint and older plumbing materials.
How does Cooper County compare to Missouri?
Cooper County has an average water safety score of 79/100, which is above the Missouri state average of 69/100.

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