Major County, Oklahoma
5 ZIP codes · Avg score 76/100 · Grade B · Updated 2026-07-16
ZipCheckup grade for Major: B.
This ZIP looks solid, with a few items worth a quick check.
Major County maintains reliable drinking water quality across all 5 of its tracked ZIP codes.
How Major County Compares
How Major County Compares
Major County scores 3 points below the Oklahoma state average (79/100) and 8 points above the national average (68/100).
Data: EPA SDWIS Last verified: 2026-07-16
ZIP Code Risk Map
Water Quality Map: Major County, Oklahoma
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 15.1 (asthma 11%, diabetes 13.3%)
Estimated additional annual cost per homeowner: $940, driven primarily by flood
Infrastructure: 0.52% avg pipe failure probability, 60% of ZIPs at high risk
71.8% of homes built before 1978 (lead paint era)
Violation History (2021–2025)
↑ Worsening trendEPA violation counts by year across Major County water systems. Health-based shown in red, total in blue.
Peak year: 2024 with 18 violations. Past 5 years: 42 total (42 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: $940
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
3,224 housing units in Major 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 Major County
Remediation costs are relatively manageable for most homeowners in Major 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 Major County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water systems serving Major County
8 community water systems serving Major County.
- A
- C
- C
- C
- A
- C
Systems with the most violations in Major County
2 water systems with recorded EPA violations.
- C
- A
All ZIP Codes in Major County
5 ZIP codes tracked in Major County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 73768 | Ringwood | 97 | A | 1 | $126K |
| 2 | 73718 | Ames | 85 | A | 8 (5 health) | $148K |
| 3 | 73729 | Cleo Springs | 66 | C | 12 (10 health) | $103K |
| 4 | 73760 | Meno | 66 | C | 14 (8 health) | $140K |
| 5 | 73737 | Fairview | 65 | C | 44 (18 health) | $139K |
Recommended Buyer Guides for Major County
Filtered against federal data, fitted to local risks.
- Best Lead Paint Test Kits — 71.8% 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 Major County, Oklahoma
Overview
Major County in Oklahoma covers 5 ZIP codes with an average Home Safety Score of B (76/100).
5 of 5 ZIP codes have recorded EPA violations. 41 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.