COUNTY REPORT OK

Okmulgee County, Oklahoma

8 ZIP codes · Avg score 71/100 · Grade B · Updated 2026-06-03

Tracking 8 ZIP codes in Okmulgee County shows a water safety record well above the national median — violations are isolated exceptions, not recurring patterns.

How Okmulgee County Compares

Okmulgee County71/100
Oklahoma avg79/100
National avg68/100

How Okmulgee County Compares

B
County Grade
71/100
Avg Safety Score
8
ZIP Codes
21
Water Systems

Okmulgee County scores 8 points below the Oklahoma state average (79/100) and 3 points above the national average (68/100).

Data: EPA SDWIS Last verified: 2026-06-03

B
County Grade
71
Avg Safety Score
8
ZIP Codes
Best ZIP: 74437 (84/100)
Lowest ZIP: 74460 (55/100)
$102K
Median Home Value
$2,225
Avg Remediation (218% of home value)

ZIP Code Risk Map

Water Quality Map: Okmulgee 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: 16.3 (asthma 12.7%, diabetes 15.4%)

Estimated additional annual cost per homeowner: $2,174, driven primarily by wildfire

Infrastructure: 0.502% avg pipe failure probability, 100% of ZIPs at high risk

59% of homes built before 1978 (lead paint era)

Violation History (2021–2025)

↑ Worsening trend

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

2021
11 (11 health)
2022
26 (26 health)
2024
26 (24 health)
2025
55 (55 health)

Peak year: 2025 with 55 violations. Past 5 years: 118 total (116 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 12.7% (national: 8.9%)
Diabetes 15.4% (national: 10.5%)
Obesity 45% (national: 32.4%)

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

Infrastructure Overview

1978
Median Build Year
59%
Pre-1978 Housing
50%
Pipe Failure Probability
100%
ZIPs at High Infra Risk
Low
Lead Pipe Risk

Sources: Census ACS (housing age), EPA SDWIS (infrastructure risk model), state bridge inspection data.

Compound Risk Breakdown

Estimated additional annual cost per homeowner: $2,174

Wildfire $1,200/yr
Flood $650/yr
Energy Code Gap $180/yr

Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).

Housing Age Distribution

18,232 housing units in Okmulgee County

Pre-1940 15%
1940–1959 15%
1960–1979 24%
1980–1999 26%
2000+ 20%

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 Okmulgee County

$102K
Median Home Value
$2,225
Est. Remediation Cost
2.2%
of Home Value
Remediation as % of home value moderate burden

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 Okmulgee County residents

Asthma 12.7% (US avg: 8.9%)
Diabetes 15.4% (US avg: 11%)
Obesity 45% (US avg: 32.4%)

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

Water Systems with Most Violations

Top 5 systems in Okmulgee County ranked by EPA violation count.

# Water System Population Violations
1 Okmulgee Company Rwd #2 (preston) 2,355 159
2 Okmulgee Company Rwd #6 (hectorville) 8,370 145
3 Okmulgee Company Rwd #4 1,913 138
4 Okmulgee Company Rwd #7 (nuyaka) 2,357 117
5 Beggs 1,364 79

21 total water systems serve Okmulgee County.

All ZIP Codes in Okmulgee County

8 ZIP codes tracked in Okmulgee County.

# ZIP Code City Safety Score Grade Violations Home Value
1 74437 Henryetta 84 B 11 (3 health) $92K
2 74431 Dewar 81 B 10 (5 health) $85K
3 74456 Preston 74 B 14 (8 health) $102K
4 74421 Beggs 70 B 51 (26 health) $171K
5 74445 Morris 70 B 33 (23 health) $184K
6 74047 Mounds 65 C 28 (16 health) $206K
7 74447 Okmulgee 65 C 33 (20 health) $102K
8 74460 Schulter 55 C 13 (10 health)

Recommended Buyer Guides for Okmulgee County

Filtered against federal data, fitted to local risks.

Overview

Okmulgee County in Oklahoma covers 8 ZIP codes with an average Home Safety Score of B (71/100).

8 of 8 ZIP codes have recorded EPA violations. 111 health-based violations have been documented.

← Back to Oklahoma water quality report

Data Sources

Updated daily.

Frequently Asked Questions

Is water safe in Okmulgee County?
Okmulgee County receives a grade of B, indicating generally safe tap water across its 8 ZIP codes.
How many water systems serve Okmulgee County?
Okmulgee County is served by 21 public water systems that supply drinking water to residents across 8 ZIP codes.
What is the biggest environmental risk in Okmulgee County?
The primary environmental risk factor in Okmulgee County is wildfire. This contributes to an estimated additional annual cost of $2,174 per homeowner.
How old are homes in Okmulgee County?
The median home build year in Okmulgee County is 1978. 59% of homes were built before 1978, which means they may contain lead-based paint and older plumbing materials.
How does Okmulgee County compare to Oklahoma?
Okmulgee County has an average water safety score of 71/100, which is below the Oklahoma state average of 79/100.

Get safety alerts for Okmulgee, Oklahoma

Free updates when EPA data changes for this area. No spam.

Unsubscribe anytime. Privacy Policy.

Share This Page

X Facebook
Check your water filter options Free tool — no phone call required.