Butler County, Missouri
9 ZIP codes · Avg score 83/100 · Grade B · Updated 2026-06-03
Within Butler County, all 9 tracked ZIP codes show above-average drinking water safety — violations are infrequent and typically minor.
How Butler County Compares
How Butler County Compares
Butler County scores 14 points above the Missouri state average (69/100) and 15 points above the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-03
ZIP Code Risk Map
Water Quality Map: Butler County, Missouri
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 16.5 (asthma 11.6%, diabetes 15.3%)
Estimated additional annual cost per homeowner: $1,348, driven primarily by flood
Infrastructure: 0.36% avg pipe failure probability, 13% of ZIPs at high risk
60.4% of homes built before 1978 (lead paint era)
Violation History (2021–2025)
↑ Worsening trendEPA violation counts by year across Butler County water systems. Health-based shown in red, total in blue.
Peak year: 2025 with 2 violations. Past 5 years: 5 total (5 health-based). Health-based violations are rising versus the prior 2-year window — worth closer monitoring.
Source: EPA SDWIS historical violations. Data may lag 6–12 months for the most recent year.
County Health Indicators vs National Average
Black markers indicate national averages. Source: CDC PLACES, Census ACS.
Infrastructure Overview
Sources: Census ACS (housing age), EPA SDWIS (infrastructure risk model), state bridge inspection data.
Compound Risk Breakdown
Estimated additional annual cost per homeowner: $1,348
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
18,888 housing units in Butler County
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 Butler County
Remediation costs are relatively manageable for most homeowners in Butler 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 Butler County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water Systems with Most Violations
Top 5 systems in Butler County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | Butler County Pwsd 1 | 11,500 | 38 |
| 2 | Neelyville Public Water System | 310 | 23 |
| 3 | Butler County Pwsd 3 | 2,600 | 17 |
| 4 | Butler County Pwsd 104 | 475 | 17 |
| 5 | BUTLER COUNTY PWSD 2 | 1,625 | 15 |
12 total water systems serve Butler County.
All ZIP Codes in Butler County
9 ZIP codes tracked in Butler County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 63940 | Fisk | 93 | A | 4 | $130K |
| 2 | 63902 | Poplar Bluff | 91 | A | 2 (1 health) | — |
| 3 | 63954 | Neelyville | 89 | A | 23 (1 health) | $78K |
| 4 | 63961 | Qulin | 89 | A | 3 | $91K |
| 5 | 63932 | Broseley | 84 | B | 6 | $74K |
| 6 | 63967 | Williamsville | 84 | B | 2 | $105K |
| 7 | 63901 | Poplar Bluff | 76 | B | 2 (1 health) | $143K |
| 8 | 63962 | Rombauer | 73 | B | 0 | — |
| 9 | 63938 | Fagus | 66 | C | 0 | — |
Recommended Buyer Guides for Butler County
Retailer arrangements don't shape what appears here — the selection logic is independent, filtered against EPA detections and the federal hazard data on file for this county.
- Best Lead Paint Test Kits — 60.4% of homes built before 1978
- Best Under-Sink Reverse Osmosis Systems — Multi-contaminant removal at the kitchen tap
- Best Sump Pumps — Flood is the top compound risk factor
- Best Mold Test Kits — Flood-driven moisture and mold risk
Deep Dive Reports
Detailed analysis for Butler County, Missouri
Overview
Butler County in Missouri covers 9 ZIP codes with an average Home Safety Score of B (83/100).
7 of 9 ZIP codes have recorded EPA violations. 3 health-based violations have been documented.
← Back to Missouri water quality report
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- Home values: U.S. Census Bureau ACS (median estimates by ZCTA)
Updated daily.