Ellis County, Oklahoma
5 ZIP codes · Avg score 73/100 · Grade B · Updated 2026-07-19
ZipCheckup grade for Ellis: B.
This ZIP looks solid, with a few items worth a quick check.
In recent assessments, Ellis County's 5 ZIP codes record strong, consistent water safety outcomes.
How Ellis County Compares
How Ellis County Compares
Ellis County scores 6 points below the Oklahoma state average (79/100) and 5 points above the national average (68/100).
Data: EPA SDWIS Last verified: 2026-07-19
ZIP Code Risk Map
Water Quality Map: Ellis County, Oklahoma
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 15.5 (asthma 11%, diabetes 14.1%)
Estimated additional annual cost per homeowner: $1,160, driven primarily by flood
Infrastructure: 0.478% avg pipe failure probability, 100% of ZIPs at high risk
77.2% of homes built before 1978 (lead paint era)
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: $1,160
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
9,546 housing units in Ellis 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 Ellis County
Remediation costs are relatively manageable for most homeowners in Ellis 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 Ellis County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water systems serving Ellis County
8 community water systems serving Ellis County.
- B
- C
- C
- B
- B
- B
Show all 8 water systems
- C
- B
9 total water systems serve Ellis County.
Systems with the most violations in Ellis County
4 water systems with recorded EPA violations.
- B
- C
- B
- C
All ZIP Codes in Ellis County
5 ZIP codes tracked in Ellis County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 73843 | Gage | 82 | B | 10 (1 health) | $116K |
| 2 | 73801 | Woodward | 76 | B | 16 (2 health) | $179K |
| 3 | 73832 | Arnett | 76 | B | 8 | $123K |
| 4 | 73858 | Shattuck | 67 | C | 10 (1 health) | $142K |
| 5 | 73840 | Fargo | 65 | C | 9 | $108K |
Recommended Buyer Guides for Ellis County
Filtered against federal data, fitted to local risks.
- Best Lead Paint Test Kits — 77.2% 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 Ellis County, Oklahoma
Overview
Ellis County in Oklahoma covers 5 ZIP codes with an average Home Safety Score of B (73/100).
5 of 5 ZIP codes have recorded EPA violations. 4 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.