COUNTY REPORT OK

Dewey County, Oklahoma

8 ZIP codes · Avg score 84/100 · Grade B · Updated

ZipCheckup grade for Dewey County: B.

This ZIP looks solid, with a few items worth a quick check.

Spanning 8 ZIP codes, Dewey County posts strong drinking water compliance - most systems have never triggered a health-based notice.

How Dewey County Compares

Dewey County84/100
Oklahoma avg86/100
National avg73/100

How Dewey County Compares

B
County Grade
84/100
Avg Safety Score
8
ZIP Codes
7
Water Systems

Dewey County scores 2 points below the Oklahoma state average (86/100) and 11 points above 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:

B
County Grade
84
Avg Safety Score
8
ZIP Codes
Best ZIP: 73835 (84/100)
Lowest ZIP: 73835 (84/100)
$122K
Median Home Value
$1,365
Avg Remediation (112% of home value)

ZIP Code Risk Map

Water Quality Map: Dewey 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: 15 (asthma 11.3%, diabetes 13.5%)

Estimated additional annual cost per homeowner: $663, driven primarily by energy_code_gap

67.1% of homes built before 1978 (lead paint era)

Violation History (2021–2025)

↑ Worsening trend

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

2021
2 (2 health)
2023
1 (1 health)
2024
8 (8 health)
2025
1 (1 health)

Peak year: 2024 with 8 violations. Past 5 years: 12 total (12 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 11.3% (national: 8.9%)
Diabetes 13.5% (national: 10.5%)
Obesity 38.2% (national: 32.4%)

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

Infrastructure Overview

1973
Median Build Year
67.1%
Pre-1978 Housing
47/100
Infrastructure Stress Indicator
88%
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: $663

Energy Code Gap $225/yr
Water / Lead $213/yr
Water Infrastructure $150/yr

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

Housing Age Distribution

2,499 housing units in Dewey County

Pre-1940 13%
1940–1959 19%
1960–1979 24%
1980–1999 24%
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 Dewey County

$122K
Median Home Value
$1,365
Est. Remediation Cost
1.1%
of Home Value
Remediation as % of home value low burden

Remediation costs are relatively manageable for most homeowners in Dewey 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 Dewey County residents

Asthma 11.3% (US avg: 8.9%)
Diabetes 13.5% (US avg: 11%)
Obesity 38.2% (US avg: 32.4%)

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

Water systems serving Dewey County

7 community water systems serving Dewey County.

Show all 7 water systems

Systems with the most violations in Dewey County

5 water systems with recorded EPA violations.

All ZIP Codes in Dewey County

8 ZIP codes tracked in Dewey County.

# ZIP Code City Safety Score Grade Violations Home Value
1 73835 Camargo 84 B 32 (2 health) $130K
2 73646 Fay $133K
3 73654 Leedey 21 (2 health) $122K
4 73658 Oakwood $90K
5 73659 Putnam
6 73663 Seiling 5 $163K
7 73667 Taloga 32 (2 health) $113K
8 73859 Vici 80 (5 health) $121K

Recommended Buyer Guides for Dewey County

Where county records show a lead exceedance or pre-1978 housing concentration, lead-specific filters and test kits move toward the top of the list.

Overview

Dewey County in Oklahoma covers 8 tracked ZIP records with an average Home Safety Score of B (84/100) across 1 scored records.

5 of 5 ZIP codes with a reported violation count in the available EPA record have recorded EPA violations. 7 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 Dewey County?
Dewey County receives a grade of B, indicating generally safe tap water across its 8 ZIP codes.
How many water systems serve Dewey County?
Dewey County is served by 7 public water systems that supply drinking water to residents across 8 ZIP codes.
What is the biggest environmental risk in Dewey County?
The primary environmental risk factor in Dewey County is energy_code_gap. This contributes to an estimated additional annual cost of $663 per homeowner.
How old are homes in Dewey County?
The median home build year in Dewey County is 1973. 67.1% of homes were built before 1978, which means they may contain lead-based paint and older plumbing materials.
How does Dewey County compare to Oklahoma?
Dewey County has an average Home Safety Score of 84/100 under model 4.0.0, which is below the Oklahoma state average of 86/100.

How to cite this page

APA ZipCheckup. (2026). Dewey County, OK: HSS 84/100; 7 Health Violations. https://zipcheckup.com/county/oklahoma/dewey/
BibTeX
@misc{zipcheckup-county-oklahoma-dewey,
  author = {{ZipCheckup}},
  title  = {{Dewey County, OK: HSS 84/100; 7 Health Violations}},
  year   = {2026},
  url    = {https://zipcheckup.com/county/oklahoma/dewey/}
}

Page version: August 2026.

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