Mayes County, Oklahoma
12 ZIP codes · Avg score 69/100 · Grade C · Updated 2026-06-03
Unlike top-rated counties, Mayes County's 12 ZIP codes carry a fair number of documented violations — chlorine compliance and disinfection byproduct limits are the categories most often cited in recent data.
How Mayes County Compares
How Mayes County Compares
Mayes County scores 10 points below the Oklahoma state average (79/100) and 1 points above the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-03
ZIP Code Risk Map
Water Quality Map: Mayes County, Oklahoma
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 16 (asthma 12.4%, diabetes 14.6%)
Estimated additional annual cost per homeowner: $1,019, driven primarily by flood
Infrastructure: 0.358% avg pipe failure probability, 33% of ZIPs at high risk
55.1% of homes built before 1978 (lead paint era)
Violation History (2021–2025)
↑ Worsening trendEPA violation counts by year across Mayes County water systems. Health-based shown in red, total in blue.
Peak year: 2024 with 46 violations. Past 5 years: 91 total (91 health-based). Health-based violations are rising versus the prior 2-year window — worth closer monitoring.
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: $1,019
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
18,196 housing units in Mayes 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 Mayes County
Remediation costs are relatively manageable for most homeowners in Mayes 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 Mayes 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 Mayes County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | Mayes Company Rwd # 2 | 6,280 | 74 |
| 2 | Wagoner Company Rwd #9 | 4,363 | 65 |
| 3 | Mayes Company Rwd # 9 | 2,578 | 64 |
| 4 | Locust Grove | 1,600 | 60 |
| 5 | Mayes Company Rwd # 7 | 538 | 59 |
28 total water systems serve Mayes County.
All ZIP Codes in Mayes County
12 ZIP codes tracked in Mayes County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 74366 | Spavinaw | 83 | B | 0 | $106K |
| 2 | 74337 | Chouteau | 80 | B | 6 (1 health) | $161K |
| 3 | 74362 | Pryor | 78 | B | 8 (2 health) | — |
| 4 | 74350 | Langley | 75 | B | 4 (2 health) | $121K |
| 5 | 74330 | Adair | 74 | B | 5 (1 health) | $178K |
| 6 | 74340 | Disney | 74 | B | 6 (1 health) | $165K |
| 7 | 74352 | Locust Grove | 71 | B | 59 (3 health) | $133K |
| 8 | 74365 | Salina | 70 | B | 1 | $136K |
| 9 | 74361 | Pryor | 68 | C | 8 (2 health) | $188K |
| 10 | 74367 | Strang | 63 | C | 0 | $72K |
| 11 | 74452 | Peggs | 53 | D | 0 | $213K |
| 12 | 74332 | Big Cabin | 41 | D | 11 (5 health) | $166K |
Recommended Buyer Guides for Mayes County
Filtered against EPA monitoring data and CDC lead-exposure guidance, the guides below skip the generic catalog and connect directly to the contaminants and hazards on file here.
- Best Water Filters for Lead — Lead above EPA action level in 1 ZIP code
- Best Lead Paint Test Kits — 55.1% 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
Deep Dive Reports
Detailed analysis for Mayes County, Oklahoma
Overview
Mayes County in Oklahoma covers 12 ZIP codes with an average Home Safety Score of C (69/100).
9 of 12 ZIP codes have recorded EPA violations. 17 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.