Ozark County, Missouri
18 ZIP codes · Avg score 59/100 · Grade C · Updated 2026-06-03
Water monitoring across Ozark County's 18 ZIP codes paints a mid-range picture — solid compliance in some zones, documented concerns in others; most violations on record are concentrated in specific prior years rather than spread evenly across the full compliance history, and the overall county grade has held steady in the middle tier without major shifts in either direction.
How Ozark County Compares
How Ozark County Compares
Ozark County scores 10 points below the Missouri state average (69/100) and 9 points below the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-03
ZIP Code Risk Map
Water Quality Map: Ozark County, Missouri
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 18.1 (asthma 11.2%, diabetes 17.6%)
Estimated additional annual cost per homeowner: $567, driven primarily by wildfire
Infrastructure: 0.347% avg pipe failure probability, 19% of ZIPs at high risk
59.4% of homes built before 1978 (lead paint era)
Violation History (2022–2024)
→ Stable trendEPA violation counts by year across Ozark County water systems. Health-based shown in red, total in blue.
Peak year: 2024 with 6 violations. Past 5 years: 7 total (7 health-based).
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: $567
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
6,425 housing units in Ozark 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 Ozark County
Remediation costs are relatively manageable for most homeowners in Ozark 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 Ozark 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 Ozark County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | OZARK COUNTY PWSD 1 | 243 | 4 |
| 2 | Sundown Water System Inc. | 60 | 4 |
| 3 | GAINESVILLE PWS | 742 | 3 |
| 4 | EAST WIND COMMUNITY | 73 | 1 |
| 5 | Bakersfield Public Water System | 303 | 0 |
6 total water systems serve Ozark County.
All ZIP Codes in Ozark County
18 ZIP codes tracked in Ozark County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 65609 | Bakersfield | 83 | B | 0 | $103K |
| 2 | 65655 | Gainesville | 82 | B | 3 (1 health) | $162K |
| 3 | 65761 | Theodosia | 82 | B | 4 (1 health) | $186K |
| 4 | 65760 | Tecumseh | 81 | B | 1 | $160K |
| 5 | 65618 | Brixey | 53 | D | 0 | $122K |
| 6 | 65626 | Caulfield | 53 | D | 0 | $191K |
| 7 | 65637 | Dora | 53 | D | 0 | $221K |
| 8 | 65666 | Hardenville | 53 | D | 0 | — |
| 9 | 65676 | Isabella | 53 | D | 0 | $121K |
| 10 | 65715 | Noble | 53 | D | 0 | — |
| 11 | 65729 | Pontiac | 53 | D | 0 | — |
| 12 | 65733 | Protem | 53 | D | 0 | $108K |
| 13 | 65741 | Rockbridge | 53 | D | 0 | — |
| 14 | 65762 | Thornfield | 53 | D | 0 | $208K |
| 15 | 65766 | Udall | 53 | D | 0 | — |
| 16 | 65773 | Wasola | 53 | D | 0 | $375K |
| 17 | 65777 | Moody | 53 | D | 0 | — |
| 18 | 65784 | Zanoni | 53 | D | 0 | — |
Recommended Buyer Guides for Ozark County
Methodologically, the recommendation order reflects severity in the federal record: contaminants flagged in EPA detection records for this county outrank generic water concerns, FEMA-confirmed hazard ratings shift emergency-related categories upward, and CDC lead-exposure markers govern when lead-test kits and certified filters appear at the top of the list.
- Best Lead Paint Test Kits — 59.4% of homes built before 1978
- Best HEPA Air Purifiers for Wildfire Smoke — Wildfire is the top compound risk factor
Deep Dive Reports
Detailed analysis for Ozark County, Missouri
Overview
Ozark County in Missouri covers 18 ZIP codes with an average Home Safety Score of C (59/100).
3 of 18 ZIP codes have recorded EPA violations. 2 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.