Douglas County, Missouri
2 ZIP codes · Avg score 67/100 · Grade C · Updated 2026-06-03
Based on current EPA data, Douglas County's 2 ZIP codes reflect fair but mixed water safety.
How Douglas County Compares
How Douglas County Compares
Douglas County scores 2 points below the Missouri state average (69/100) and 1 points below the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-03
Key Risk Factors
Health risk index: 16.3 (asthma 11.1%, diabetes 15.3%)
Estimated additional annual cost per homeowner: $540, driven primarily by wildfire
Infrastructure: 0.35% avg pipe failure probability
56% 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: $540
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
3,997 housing units in Douglas 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 Douglas County
Remediation costs are relatively manageable for most homeowners in Douglas 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 Douglas County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water Systems with Most Violations
Top 3 systems in Douglas County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | Ava Public Water System | 3,000 | 7 |
| 2 | Apple Valley | 32 | 7 |
| 3 | Country Aire Apartments | 25 | 7 |
All ZIP Codes in Douglas County
2 ZIP codes tracked in Douglas County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 65608 | Ava | 80 | B | 7 | $152K |
| 2 | 65755 | Squires | 53 | D | 0 | $119K |
Recommended Buyer Guides for Douglas County
Where county records show a lead exceedance or pre-1978 housing concentration, lead-specific filters and test kits move toward the top of the list.
- Best Lead Paint Test Kits — 56% of homes built before 1978
- Best HEPA Air Purifiers for Wildfire Smoke — Wildfire is the top compound risk factor
Overview
Douglas County in Missouri covers 2 ZIP codes with an average Home Safety Score of C (67/100).
1 of 2 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.