Adair County, Oklahoma
4 ZIP codes · Avg score 65/100 · Grade C · Updated 2026-06-03
Recent monitoring in Adair County's 4 ZIP codes shows middle-tier safety — some systems are clean; others have logged EPA violations.
How Adair County Compares
How Adair County Compares
Adair County scores 14 points below the Oklahoma state average (79/100) and 3 points below the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-03
Key Risk Factors
Health risk index: 17.1 (asthma 13.4%, diabetes 16.7%)
Estimated additional annual cost per homeowner: $1,085, driven primarily by flood
Infrastructure: 0.367% avg pipe failure probability, 50% of ZIPs at high risk
55.5% of homes built before 1978 (lead paint era)
Violation History (2022–2025)
→ Stable trendEPA violation counts by year across Adair County water systems. Health-based shown in red, total in blue.
Peak year: 2024 with 17 violations. Past 5 years: 26 total (26 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: $1,085
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
8,115 housing units in Adair 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 Adair County
Water safety remediation is a moderate expense relative to home values. Most homeowners can address issues through staged improvements over time.
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 Adair 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 Adair County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | Adair Company Rwd #3 | 2,598 | 58 |
| 2 | Adair Company Rwd #5 | 675 | 58 |
| 3 | WATTS | 316 | 51 |
| 4 | Westville Utility Authority | 1,596 | 51 |
| 5 | Cherokee Company Rwd #7 (welling) | 418 | 7 |
10 total water systems serve Adair County.
All ZIP Codes in Adair County
4 ZIP codes tracked in Adair County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 74960 | Stilwell | 77 | B | 7 (3 health) | $112K |
| 2 | 74964 | Watts | 66 | C | 0 | $114K |
| 3 | 74965 | Westville | 61 | C | 51 (7 health) | $107K |
| 4 | 74457 | Proctor | 55 | C | 0 | $169K |
Recommended Buyer Guides for Adair County
Strictly editorial — no paid placements influence which guides appear; the selection draws on NSF certifications and EPA detection records for water systems serving this county.
- Best Lead Paint Test Kits — 55.5% of homes built before 1978
- Best Under-Sink Reverse Osmosis Systems — Multi-contaminant removal at the kitchen tap
- Best Sump Pumps — Flood is the top compound risk factor
- Best Mold Test Kits — Flood-driven moisture and mold risk
Overview
Adair County in Oklahoma covers 4 ZIP codes with an average Home Safety Score of C (65/100).
2 of 4 ZIP codes have recorded EPA violations. 10 health-based violations have been documented.
← Back to Oklahoma 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.