Dallas County, Missouri
6 ZIP codes · Avg score 70/100 · Grade B · Updated 2026-06-03
Recent water monitoring in Dallas County shows 6 ZIP codes with consistently safe results.
How Dallas County Compares
How Dallas County Compares
Dallas County scores 1 points above the Missouri state average (69/100) and 2 points above the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-03
ZIP Code Risk Map
Water Quality Map: Dallas County, Missouri
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 15.7 (asthma 11%, diabetes 14.3%)
Estimated additional annual cost per homeowner: $328, driven primarily by energy_code_gap
Infrastructure: 0.308% avg pipe failure probability, 17% of ZIPs at high risk
51% of homes built before 1978 (lead paint era)
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: $328
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
6,252 housing units in Dallas 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 Dallas County
Remediation costs are relatively manageable for most homeowners in Dallas 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 Dallas 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 Dallas County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | Buffalo Public Water System | 3,084 | 2 |
| 2 | Sunshine Estates | 48 | 2 |
| 3 | Red Top Park | 30 | 2 |
| 4 | PWSD 2 OF HICKORY CO | 1,450 | 1 |
| 5 | Riviera South Water Corporation | 90 | 1 |
8 total water systems serve Dallas County.
All ZIP Codes in Dallas County
6 ZIP codes tracked in Dallas County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 65685 | Louisburg | 83 | B | 0 | $78K |
| 2 | 65767 | Urbana | 83 | B | 1 | $165K |
| 3 | 65622 | Buffalo | 82 | B | 2 | $143K |
| 4 | 65783 | Windyville | 63 | C | 0 | $83K |
| 5 | 65663 | Half Way | 53 | D | 0 | $210K |
| 6 | 65727 | Polk | 53 | D | 0 | — |
Recommended Buyer Guides for Dallas County
Federal and certification sources drive the ordering: EPA monitoring data, NSF certifications, FEMA flood maps, and CDC lead guidance — guides surface only when county data warrants them.
- Best Lead Paint Test Kits — 51% of homes built before 1978
Deep Dive Reports
Detailed analysis for Dallas County, Missouri
Overview
Dallas County in Missouri covers 6 ZIP codes with an average Home Safety Score of B (70/100).
2 of 6 ZIP codes have recorded EPA violations. All violations are monitoring/reporting type.
← 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.