Flood Zone Comparison
Compare key metrics between 57232 57232, SD — Zone A and 76666 76666, TX — Zone D. Data sourced from FEMA National Flood Hazard Layer (2025).
| Metric | 57232 57232, SD — Zone A | 76666 76666, TX — Zone D |
|---|---|---|
| name | 57232 57232, SD — Zone A | 76666 76666, TX — Zone D |
| zip code | 57232 | 76666 |
| city | 57232 | 76666 |
| state | South Dakota | Texas |
| state code | SD | TX |
| category | High Risk | Undetermined |
| flood zone | Zone A (High Risk — 100-Year Floodplain, No BFE) | Zone D (Undetermined Risk — No Analysis Performed) |
| risk level | High Risk | Undetermined |
| annual flood prob | 1% annual chance (100-year flood) | Unknown — flood risk not yet determined by FEMA |
| insurance required | Required for federally-backed mortgages | Recommended — risk is undetermined |
| avg annual premium | 958 | 958 |
| base flood elevation | 6 ft | N/A — not in Special Flood Hazard Area |
| historical floods | 4 recorded flood events in the past 50 years. Most recent major flood: 2006 | 3 recorded flood events in the past 50 years. Most recent major flood: 2010 |
| nearest water | local stream (3.7 miles) | Savannah River (1.3 miles) |
| elevation ft | 250 | 107 |
| population | 42,712 | 21,443 |
| median home value | 757,912 | 380,270 |
| flood damage risk | 40-60% chance of flood damage over a 30-year mortgage. Estimated average damage per flood event: $43,332 | Unknown chance of flood damage over a 30-year mortgage. Estimated average damage per flood event: $70,563 |
| 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. | Purchase flood insurance as a precaution; research historical flooding in your area; contact your local floodplain administrator; maintain proper drainage; prepare an emergency kit and evacuation plan. |
| fema map id | 2997C158J | 1330C191J |
| 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.