Flood Zone Comparison
Compare key metrics between 49743 49743, MI — Zone A and 57714 57714, SD — Zone A. Data sourced from FEMA National Flood Hazard Layer (2025).
| Metric | 49743 49743, MI — Zone A | 57714 57714, SD — Zone A |
|---|---|---|
| name | 49743 49743, MI — Zone A | 57714 57714, SD — Zone A |
| zip code | 49743 | 57714 |
| city | 49743 | 57714 |
| state | Michigan | South Dakota |
| state code | MI | SD |
| 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 | 2,885 | 2,885 |
| base flood elevation | 24 ft | 18 ft |
| historical floods | 0 recorded flood events in the past 50 years | 10 recorded flood events in the past 50 years. Most recent major flood: 2022 |
| nearest water | Merrimack River (0.8 miles) | Ohio River (2.7 miles) |
| elevation ft | 736 | 1,617 |
| population | 58,017 | 46,479 |
| median home value | 484,871 | 441,539 |
| flood damage risk | 40-60% chance of flood damage over a 30-year mortgage. Estimated average damage per flood event: $15,638 | 40-60% chance of flood damage over a 30-year mortgage. Estimated average damage per flood event: $113,134 |
| 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 | 8852C333J | 9851C526J |
| 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.