Comanche County, Oklahoma
17 ZIP codes · Avg score 79/100 · Grade B · Updated 2026-06-03
Across all 17 ZIP codes in Comanche County, tap water consistently meets or exceeds federal safety standards.
How Comanche County Compares
How Comanche County Compares
Comanche County scores 0 points above the Oklahoma state average (79/100) and 11 points above the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-03
ZIP Code Risk Map
Water Quality Map: Comanche County, Oklahoma
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 14.3 (asthma 11.3%, diabetes 13%)
Estimated additional annual cost per homeowner: $1,366, driven primarily by flood
Infrastructure: 0.384% avg pipe failure probability, 38% of ZIPs at high risk
58.2% of homes built before 1978 (lead paint era)
Violation History (2021–2025)
↑ Worsening trendEPA violation counts by year across Comanche County water systems. Health-based shown in red, total in blue.
Peak year: 2024 with 51 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: $1,366
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
52,322 housing units in Comanche 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 Comanche County
Remediation costs are relatively manageable for most homeowners in Comanche 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 Comanche 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 Comanche County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | Comanche Company Rwd #4 | 3,000 | 86 |
| 2 | Comanche Company Rwd #3 | 2,325 | 71 |
| 3 | Tillman Company Rwd #1 | 1,500 | 59 |
| 4 | Cotton Company Rwd #2 | 3,000 | 51 |
| 5 | Caddo Company Rwd #3 | 3,900 | 43 |
21 total water systems serve Comanche County.
All ZIP Codes in Comanche County
17 ZIP codes tracked in Comanche County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 73543 | Geronimo | 94 | A | 7 (1 health) | $106K |
| 2 | 73503 | Fort Sill | 91 | A | 4 | — |
| 3 | 73506 | Lawton | 91 | A | 8 | — |
| 4 | 73538 | Elgin | 88 | A | 16 (2 health) | $269K |
| 5 | 73502 | Lawton | 87 | A | 8 | — |
| 6 | 73557 | Medicine Park | 87 | A | 10 (1 health) | $322K |
| 7 | 73567 | Sterling | 87 | A | 2 (1 health) | $117K |
| 8 | 73540 | Faxon | 85 | A | 4 (1 health) | $197K |
| 9 | 73541 | Fletcher | 83 | B | 13 (1 health) | $163K |
| 10 | 73501 | Lawton | 77 | B | 8 | $119K |
| 11 | 73505 | Lawton | 72 | B | 8 | $147K |
| 12 | 73507 | Lawton | 72 | B | 8 | $155K |
| 13 | 73528 | Chattanooga | 66 | C | 16 (7 health) | $155K |
| 14 | 73553 | Loveland | 66 | C | 0 | — |
| 15 | 73558 | Meers | 66 | C | 0 | — |
| 16 | 73552 | Indiahoma | 65 | C | 35 (20 health) | $125K |
| 17 | 73527 | Cache | 64 | C | 8 (6 health) | $187K |
Recommended Buyer Guides for Comanche County
Where county records show a lead exceedance or pre-1978 housing concentration, lead-specific filters and test kits move toward the top of the list.
- Best Lead Paint Test Kits — 58.2% 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 Comanche County, Oklahoma
Overview
Comanche County in Oklahoma covers 17 ZIP codes with an average Home Safety Score of B (79/100).
15 of 17 ZIP codes have recorded EPA violations. 40 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.