FEMA Flood Zone A Miami-Dade County
About This Dataset
This dataset shows which parts of Miami-Dade County are at risk from flooding according to FEMA's official flood maps. It identifies high-risk areas (1% annual chance of flooding) and moderate-risk areas (0.2% annual chance), which directly affects insurance costs, property values, and building requirements for homes and businesses throughout the county.
Why This Matters
- A homeowner shopping for a property can check if their potential purchase sits in a flood zone and understand their flood insurance requirements before making an offer.
- A business owner planning construction can verify the flood risk level for their site and ensure their building meets elevation and drainage standards required by Miami-Dade building codes.
- A community planner or nonprofit can identify neighborhoods most vulnerable to flooding to prioritize resilience projects, mitigation funding, or emergency preparedness outreach.
Key Metadata
| Publisher | Miami-Dade County, Florida |
|---|---|
| Department | Regulatory and Economic Resources |
| Category | Production Content |
| Format | Feature Service |
| Last Updated | Updated 10 months ago |
| Rows | None |
| Civic Relevance | HIGH |
| Update Frequency | Every 10 years |
| Source | View on Open Data Portal |
| Keywords | flood zones flood risk FEMA flood map flood insurance flood hazard high-risk flood area special flood hazard area SFHA elevation |
Columns / Fields
| Name | Type | Description |
|---|---|---|
OBJECTID |
integer | FEMAFloodZone: OBJECTID |
FZONE |
text | The official FEMA flood zone designation (such as A, AE, X, or V) that indicates the level of flood risk for that location—higher-risk zones are more prone to flooding during heavy rains or storms. AI |
ZONESUBTY |
text | A more detailed classification that breaks down the main flood zone into specific subcategories, providing additional information about the type and likelihood of flooding in that particular area. AI |
ELEV |
number | The elevation of the land in feet above sea level. This helps determine how high flood waters could reach in different areas of Miami-Dade. AI |
GlobalID |
text | FEMAFloodZone: GlobalID |
Shape__Area |
number | FEMAFloodZone: Shape__Area |
Shape__Length |
number | FEMAFloodZone: Shape__Length |
Related Datasets
Quality Breakdown
A
Composite Score: 96%
Findings
- Row count not available