Ripley County, Missouri
6 ZIP codes · Avg score 63/100 · Grade C · Updated 2026-06-03
Within Ripley County, safety data across 6 ZIP codes suggests a fair but uneven system — violations are present and worth checking at the ZIP level.
How Ripley County Compares
How Ripley County Compares
Ripley County scores 6 points below the Missouri state average (69/100) and 5 points below the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-03
ZIP Code Risk Map
Water Quality Map: Ripley County, Missouri
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 16.8 (asthma 11.4%, diabetes 15.5%)
Estimated additional annual cost per homeowner: $1,175, driven primarily by flood
Infrastructure: 0.33% avg pipe failure probability
52.4% of homes built before 1978 (lead paint era)
Violation History (2021–2024)
→ Stable trendEPA violation counts by year across Ripley County water systems. Health-based shown in red, total in blue.
Peak year: 2021 with 5 violations. Past 5 years: 10 total (10 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: $1,175
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
5,517 housing units in Ripley 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 Ripley County
Remediation costs are relatively manageable for most homeowners in Ripley 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 Ripley 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 Ripley County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | RIPLEY COUNTY PWSD 2 | 2,780 | 7 |
| 2 | Ripley County Pwsd 1 East | 2,265 | 7 |
| 3 | Doniphan Public Water System | 2,000 | 7 |
| 4 | Ripley County Pwsd 1 West | 940 | 7 |
| 5 | NAYLOR PWS | 471 | 0 |
6 total water systems serve Ripley County.
All ZIP Codes in Ripley County
6 ZIP codes tracked in Ripley County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 63953 | Naylor | 83 | B | 0 | $85K |
| 2 | 63939 | Fairdealing | 63 | C | 0 | $98K |
| 3 | 63945 | Harviell | 63 | C | 0 | $152K |
| 4 | 63935 | Doniphan | 60 | C | 7 (2 health) | $114K |
| 5 | 63931 | Briar | 53 | D | 0 | — |
| 6 | 63955 | Oxly | 53 | D | 0 | $102K |
Recommended Buyer Guides for Ripley County
Editorial methodology pairs each documented risk in this county with the buyer category that addresses it, drawing on water-quality detections, housing-stock lead exposure, EPA Radon Zone designation, and FEMA flood and wildfire ratings. NSF-certified options surface where applicable, and products that match the specific contaminant take priority.
- Best Lead Paint Test Kits — 52.4% of homes built before 1978
- 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 Ripley County, Missouri
Overview
Ripley County in Missouri covers 6 ZIP codes with an average Home Safety Score of C (63/100).
1 of 6 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.