COUNTY REPORT OK

Blaine County, Oklahoma

9 ZIP codes · Avg score 81/100 · Grade B · Updated 2026-06-03

Within Blaine County's 9 tracked ZIP codes, safety indicators remain above the national average with few health-based violations on record.

How Blaine County Compares

Blaine County81/100
Oklahoma avg79/100
National avg68/100

How Blaine County Compares

B
County Grade
81/100
Avg Safety Score
9
ZIP Codes
10
Water Systems

Blaine County scores 2 points above the Oklahoma state average (79/100) and 13 points above the national average (68/100).

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

B
County Grade
81
Avg Safety Score
9
ZIP Codes
Best ZIP: 73763 (94/100)
Lowest ZIP: 73770 (66/100)
$111K
Median Home Value
$1,050
Avg Remediation (94% of home value)

ZIP Code Risk Map

Water Quality Map: Blaine 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: 15.2 (asthma 11.3%, diabetes 14.2%)

Estimated additional annual cost per homeowner: $678, driven primarily by energy_code_gap

Infrastructure: 0.47% avg pipe failure probability, 67% of ZIPs at high risk

80.3% of homes built before 1978 (lead paint era)

Violation History (2022–2025)

↑ Worsening trend

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

2022
1 (1 health)
2023
5 (5 health)
2024
9 (9 health)
2025
6 (6 health)

Peak year: 2024 with 9 violations. Past 5 years: 21 total (21 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 14.2% (national: 10.5%)
Obesity 38.7% (national: 32.4%)

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

Infrastructure Overview

1972
Median Build Year
80.3%
Pre-1978 Housing
47%
Pipe Failure Probability
67%
ZIPs at High Infra Risk
High
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: $678

Energy Code Gap $300/yr
Water / Lead $289/yr
Flood $89/yr

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

Housing Age Distribution

4,474 housing units in Blaine County

Pre-1940 15%
1940–1959 21%
1960–1979 36%
1980–1999 16%
2000+ 11%

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 Blaine County

$111K
Median Home Value
$1,050
Est. Remediation Cost
0.9%
of Home Value
Remediation as % of home value low burden

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

Asthma 11.3% (US avg: 8.9%)
Diabetes 14.2% (US avg: 11%)
Obesity 38.7% (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 Blaine County ranked by EPA violation count.

# Water System Population Violations
1 Canadian Company Rwd # 1 750 31
2 Geary 1,258 31
3 North Blaine Water Corporation 960 24
4 Greenfield Pwa 123 15
5 Canton 650 12

10 total water systems serve Blaine County.

All ZIP Codes in Blaine County

9 ZIP codes tracked in Blaine County.

# ZIP Code City Safety Score Grade Violations Home Value
1 73763 Okeene 94 A 8 (1 health) $123K
2 73043 Greenfield 89 A 15 (1 health) $89K
3 73755 Longdale 88 A 1 $141K
4 73772 Watonga 86 A 8 (3 health) $138K
5 73744 Hitchcock 83 B 8 $111K
6 73724 Canton 81 B 11 $99K
7 73040 Geary 76 B 31 (9 health) $97K
8 73747 Isabella 66 C 0
9 73770 Southard 66 C 0

Recommended Buyer Guides for Blaine County

Four sources — EPA, NSF, FEMA, CDC — drive the match.

Overview

Blaine County in Oklahoma covers 9 ZIP codes with an average Home Safety Score of B (81/100).

7 of 9 ZIP codes have recorded EPA violations. 14 health-based violations have been documented.

← Back to Oklahoma water quality report

Data Sources

Updated daily.

Frequently Asked Questions

Is water safe in Blaine County?
Blaine County receives a grade of B, indicating generally safe tap water across its 9 ZIP codes.
How many water systems serve Blaine County?
Blaine County is served by 10 public water systems that supply drinking water to residents across 9 ZIP codes.
What is the biggest environmental risk in Blaine County?
The primary environmental risk factor in Blaine County is energy_code_gap. This contributes to an estimated additional annual cost of $678 per homeowner.
How old are homes in Blaine County?
The median home build year in Blaine County is 1972. 80.3% of homes were built before 1978, which means they may contain lead-based paint and older plumbing materials.
How does Blaine County compare to Oklahoma?
Blaine County has an average water safety score of 81/100, which is above the Oklahoma state average of 79/100.

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