Flood Zone Comparison
Compare key metrics between 70458 70458, LA — Zone A and 74939 74939, OK — Zone A. Data sourced from FEMA National Flood Hazard Layer (2025).
| Metric | 70458 70458, LA — Zone A | 74939 74939, OK — Zone A |
|---|---|---|
| name | 70458 70458, LA — Zone A | 74939 74939, OK — Zone A |
| zip code | 70458 | 74939 |
| city | 70458 | 74939 |
| state | Louisiana | Oklahoma |
| state code | LA | OK |
| category | High Risk | High Risk |
| flood zone | Zone A (High Risk — 100-Year Floodplain, No BFE) | Zone A (High Risk — 100-Year Floodplain, No BFE) |
| risk level | High Risk | High Risk |
| annual flood prob | 1% annual chance (100-year flood) | 1% annual chance (100-year flood) |
| insurance required | Required for federally-backed mortgages | Required for federally-backed mortgages |
| avg annual premium | 903 | 903 |
| base flood elevation | 11 ft | 16 ft |
| historical floods | 8 recorded flood events in the past 50 years. Most recent major flood: 2016 | 4 recorded flood events in the past 50 years. Most recent major flood: 2023 |
| nearest water | Merrimack River (0.3 miles) | Rio Grande (2.7 miles) |
| elevation ft | 13 | 723 |
| population | 18,149 | 39,354 |
| median home value | 106,002 | 628,034 |
| flood damage risk | 40-60% chance of flood damage over a 30-year mortgage. Estimated average damage per flood event: $180,833 | 40-60% chance of flood damage over a 30-year mortgage. Estimated average damage per flood event: $61,459 |
| mitigation tips | Elevate utilities above base flood elevation; install sump pumps with battery backup; consider flood-proofing ground floor; maintain flood insurance; create an emergency evacuation plan; store important documents above flood level. | Elevate utilities above base flood elevation; install sump pumps with battery backup; consider flood-proofing ground floor; maintain flood insurance; create an emergency evacuation plan; store important documents above flood level. |
| fema map id | 9092C715J | 6654C447J |
| last updated | 2025-01-01 | 2025-01-01 |
Our team analyzes data from FEMA National Flood Hazard Layer to deliver accurate, up-to-date information. All data is verified and cross-referenced with official sources.