Barton County, Missouri
4 ZIP codes · Avg score 78/100 · Grade B · Updated 2026-06-03
Barton County's tap water quality puts it in the upper tier nationally; the 4 ZIP codes here record few health-based violations.
How Barton County Compares
How Barton County Compares
Barton County scores 9 points above the Missouri state average (69/100) and 10 points above the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-03
Key Risk Factors
Health risk index: 16.5 (asthma 11.2%, diabetes 15.2%)
Estimated additional annual cost per homeowner: $560, driven primarily by water_lead
Infrastructure: 0.41% avg pipe failure probability, 50% of ZIPs at high risk
71% 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: $560
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
5,145 housing units in Barton 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 Barton County
Remediation costs are relatively manageable for most homeowners in Barton 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 Barton 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 Barton County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | Barton Dade Cedar Jasp Countycons Pwsd 1 | 9,523 | 5 |
| 2 | Lamar Public Water System | 4,500 | 3 |
| 3 | Golden City Public Water System | 680 | 1 |
| 4 | Mindenmines Public Water System | 340 | 1 |
| 5 | Liberal Public Water System | 759 | 0 |
All ZIP Codes in Barton County
4 ZIP codes tracked in Barton County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 64748 | Golden City | 83 | B | 1 | $103K |
| 2 | 64769 | Mindenmines | 83 | B | 1 | $50K |
| 3 | 64759 | Lamar | 74 | B | 3 | $154K |
| 4 | 64762 | Liberal | 72 | B | 0 | $108K |
Recommended Buyer Guides for Barton County
Eight risk categories drive the selection — PFAS exceedance, lead above EPA action level, pre-1978 housing share, EPA Radon Zone 1, flood-top-risk, wildfire-top-risk, multi-contaminant load, and a baseline fallback — and each category maps to a specific buyer-guide track that surfaces when the county data hits its threshold for that hazard signal.
- Best Lead Paint Test Kits — 71% of homes built before 1978
Overview
Barton County in Missouri covers 4 ZIP codes with an average Home Safety Score of B (78/100).
3 of 4 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.