COUNTY REPORT OK

Mayes County, Oklahoma

12 ZIP codes · Avg score 62/100 · Grade C · Updated

ZipCheckup grade for Mayes County: C.

A mixed picture - some signals here are worth your attention.

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

Mayes County62/100
Oklahoma avg86/100
National avg73/100

How Mayes County Compares

C
County Grade
62/100
Avg Safety Score
12
ZIP Codes
18
Water Systems

Mayes County scores 24 points below the Oklahoma state average (86/100) and 11 points below the national average (73/100).

Data: ZipCheckup Home Safety Score model 4.0.0; EPA SDWIS, UCMR 5, EPA radon zones, EPA AirData Last verified:

C
County Grade
62
Avg Safety Score
12
ZIP Codes
Best ZIP: 74367 (75/100)
Lowest ZIP: 74365 (50/100)
$161K
Median Home Value
$2,503
Avg Remediation (155% of home value)

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.

A B C D F

Key Risk Factors

Health risk index: 16 (asthma 12.4%, diabetes 14.6%)

Estimated additional annual cost per homeowner: $1,240, driven primarily by flood

55.1% of homes built before 1978 (lead paint era)

Violation History (2021–2025)

↑ Worsening trend

EPA violation counts by year across Mayes County water systems. Health-based shown in red, total in blue.

2021
2 (2 health)
2022
8 (8 health)
2023
9 (9 health)
2024
43 (43 health)
2025
26 (26 health)

Peak year: 2024 with 43 violations. Past 5 years: 88 total (88 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

Asthma 12.4% (national: 8.9%)
Diabetes 14.6% (national: 10.5%)
Obesity 41.8% (national: 32.4%)

Black markers indicate national averages. Source: CDC PLACES, Census ACS.

Infrastructure Overview

1976
Median Build Year
55.1%
Pre-1978 Housing
44/100
Infrastructure Stress Indicator
83%
ZIPs with High Infrastructure Stress
Low
Lead Pipe Risk

Modeled area-level indicator, not a failure probability. Sources: Census ACS housing age, EPA DWINS infrastructure needs, EPA SDWIS violations, and EPA lead indicators.

Compound Risk Breakdown

Estimated additional annual cost per homeowner: $1,240

Flood $520/yr
Wildfire $300/yr
Water Infrastructure $221/yr

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

Pre-1940 4%
1940–1959 14%
1960–1979 32%
1980–1999 26%
2000+ 24%

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

$161K
Median Home Value
$2,503
Est. Remediation Cost
1.6%
of Home Value
Remediation as % of home value low burden

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

Asthma 12.4% (US avg: 8.9%)
Diabetes 14.6% (US avg: 11%)
Obesity 41.8% (US avg: 32.4%)

Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.

Water systems serving Mayes County

8 community water systems serving Mayes County.

Show all 8 water systems

18 total water systems serve Mayes County.

Systems with the most violations in Mayes County

5 water systems with recorded EPA violations.

All ZIP Codes in Mayes County

12 ZIP codes tracked in Mayes County.

# ZIP Code City Safety Score Grade Violations Home Value
1 74367 Strang 75 B 59 (4 health) $72K
2 74330 Adair 71 B 43 (5 health) $178K
3 74332 Big Cabin 67 C 75 (26 health) $166K
4 74350 Langley 67 C 94 (6 health) $121K
5 74366 Spavinaw 67 C 150 (16 health) $106K
6 74361 Pryor 56 C 40 (4 health) $188K
7 74337 Chouteau 55 C 34 (24 health) $161K
8 74352 Locust Grove 50 D 224 (29 health) $133K
9 74365 Salina 50 D 193 (5 health) $136K
10 74340 Disney 26 (2 health) $165K
11 74362 Pryor
12 74452 Peggs 2 (1 health) $213K

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.

Overview

Mayes County in Oklahoma covers 12 tracked ZIP records with an average Home Safety Score of C (62/100) across 9 scored records.

11 of 11 ZIP codes with a reported violation count in the available EPA record have recorded EPA violations. 70 health-based violations appear in the available health breakdown.

← Back to Oklahoma Home Safety Profile

Data Sources

Reporting periods vary by source. Missing data is shown as unavailable, not as zero.

Frequently Asked Questions

Is water safe in Mayes County?
Mayes County receives a grade of C. Some ZIP codes have recorded violations and residents in affected areas may want to test their water.
How many water systems serve Mayes County?
Mayes County is served by 18 public water systems that supply drinking water to residents across 12 ZIP codes.
What is the biggest environmental risk in Mayes County?
The primary environmental risk factor in Mayes County is flood. This contributes to an estimated additional annual cost of $1,240 per homeowner.
How old are homes in Mayes County?
The median home build year in Mayes County is 1976. 55.1% of homes were built before 1978, which means they may contain lead-based paint and older plumbing materials.
How does Mayes County compare to Oklahoma?
Mayes County has an average Home Safety Score of 62/100 under model 4.0.0, which is below the Oklahoma state average of 86/100.

How to cite this page

APA ZipCheckup. (2026). Mayes County, OK: HSS 62/100; PFAS Found in Water. https://zipcheckup.com/county/oklahoma/mayes/
BibTeX
@misc{zipcheckup-county-oklahoma-mayes,
  author = {{ZipCheckup}},
  title  = {{Mayes County, OK: HSS 62/100; PFAS Found in Water}},
  year   = {2026},
  url    = {https://zipcheckup.com/county/oklahoma/mayes/}
}

Page version: August 2026.

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