Canadian County, Oklahoma
10 ZIP codes · Avg score 70/100 · Grade B · Updated 2026-06-03
Canadian County earns a high water safety grade — 10 ZIP codes tracked, virtually all compliant.
How Canadian County Compares
How Canadian County Compares
Canadian County scores 9 points below the Oklahoma state average (79/100) and 2 points above the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-03
ZIP Code Risk Map
Water Quality Map: Canadian County, Oklahoma
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 12.6 (asthma 10.7%, diabetes 10.4%)
Estimated additional annual cost per homeowner: $790, driven primarily by flood
Infrastructure: 0.422% avg pipe failure probability, 56% of ZIPs at high risk
52.9% of homes built before 1978 (lead paint era)
Violation History (2021–2025)
↑ Worsening trendEPA violation counts by year across Canadian County water systems. Health-based shown in red, total in blue.
Peak year: 2024 with 43 violations. Past 5 years: 91 total (91 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: $790
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
67,108 housing units in Canadian 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 Canadian County
Remediation costs are relatively manageable for most homeowners in Canadian 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 Canadian County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water Systems with Most Violations
Top 5 systems in Canadian County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | Canadian Company Rwd # 4 | 907 | 108 |
| 2 | Piedmont Municipal Authority | 7,542 | 68 |
| 3 | Deer Creek Rural Water Corporation | 5,500 | 68 |
| 4 | Okarche Rwd, Inc. | 250 | 57 |
| 5 | OKLAHOMA CITY | 644,000 | 51 |
22 total water systems serve Canadian County.
All ZIP Codes in Canadian County
10 ZIP codes tracked in Canadian County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 73064 | Mustang | 81 | B | 10 (1 health) | $237K |
| 2 | 73127 | Oklahoma City | 81 | B | 2 | $139K |
| 3 | 73078 | Piedmont | 77 | B | 14 (4 health) | $289K |
| 4 | 73085 | Yukon | 75 | B | 11 | — |
| 5 | 73014 | Calumet | 69 | C | 26 (21 health) | $173K |
| 6 | 73036 | El Reno | 69 | C | 14 (10 health) | $163K |
| 7 | 73022 | Concho | 66 | C | 0 | — |
| 8 | 73099 | Yukon | 64 | C | 11 | $229K |
| 9 | 73762 | Okarche | 64 | C | 43 (39 health) | $245K |
| 10 | 73090 | Union City | 55 | C | 13 (9 health) | $193K |
Recommended Buyer Guides for Canadian County
Filtered against EPA monitoring data and CDC lead-exposure guidance, the guides below skip the generic catalog and connect directly to the contaminants and hazards on file here.
- Best Lead Paint Test Kits — 52.9% 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 Canadian County, Oklahoma
Overview
Canadian County in Oklahoma covers 10 ZIP codes with an average Home Safety Score of B (70/100).
9 of 10 ZIP codes have recorded EPA violations. 84 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.