Murray County, Oklahoma
6 ZIP codes · Avg score 82/100 · Grade B · Updated 2026-07-16
ZipCheckup grade for Murray: B.
This ZIP looks solid, with a few items worth a quick check.
Murray County's tap water quality puts it in the upper tier nationally; the 6 ZIP codes here record few health-based violations.
How Murray County Compares
How Murray County Compares
Murray County scores 3 points above the Oklahoma state average (79/100) and 14 points above the national average (68/100).
Data: EPA SDWIS Last verified: 2026-07-16
ZIP Code Risk Map
Water Quality Map: Murray 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 11.7%, diabetes 13.9%)
Estimated additional annual cost per homeowner: $935, driven primarily by flood
Infrastructure: 0.447% avg pipe failure probability, 100% of ZIPs at high risk
70.6% of homes built before 1978 (lead paint era)
Violation History (2023–2025)
→ Stable trendEPA violation counts by year across Murray County water systems. Health-based shown in red, total in blue.
Peak year: 2025 with 17 violations. Past 5 years: 32 total (32 health-based).
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: $935
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
6,348 housing units in Murray 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 Murray County
Remediation costs are relatively manageable for most homeowners in Murray 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 Murray County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water systems serving Murray County
8 community water systems serving Murray County.
- C
- C
- A
- A
- A
- A
Show all 8 water systems
- A
- A
9 total water systems serve Murray County.
Systems with the most violations in Murray County
3 water systems with recorded EPA violations.
- A
- C
- A
All ZIP Codes in Murray County
6 ZIP codes tracked in Murray County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 73086 | Sulphur | 94 | A | 2 (1 health) | $154K |
| 2 | 73032 | Dougherty | 91 | A | 5 (1 health) | $96K |
| 3 | 73039 | Davis | 87 | A | 14 (7 health) | — |
| 4 | 73030 | Davis | 85 | A | 14 (7 health) | $154K |
| 5 | 73097 | Wheatland | 66 | C | 0 | — |
| 6 | 73436 | Gene Autry | 66 | C | 0 | $76K |
Recommended Buyer Guides for Murray County
Federal and certification sources drive the ordering: EPA monitoring data, NSF certifications, FEMA flood maps, and CDC lead guidance - guides surface only when county data warrants them.
- Best Lead Paint Test Kits — 70.6% 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 Murray County, Oklahoma
Overview
Murray County in Oklahoma covers 6 ZIP codes with an average Home Safety Score of B (82/100).
4 of 6 ZIP codes have recorded EPA violations. 16 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.