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Jan 22, 2024 · Heavy rains, poor drainage, and even nearby construction projects can put you at risk for flood damage. Flood maps are one tool that communities use to know which areas have the highest risk of flooding. FEMA maintains and updates data through flood maps and risk assessments.
- Map Service Center
The FEMA Flood Map Service Center (MSC) is the official...
- National Flood Hazard Layer
The National Flood Hazard Layer (NFHL) is a geospatial...
- Homeowners, Renters Or Business Owners
Basic information about flood maps, flood zones, flood risk,...
- Map Revisions (Lomr)
A LOMR is a letter from FEMA officially revising the current...
- Coastal Flood Risk
Flood maps show the Special Flood Hazard Area (SFHA)— the...
- Guidelines and Standards
These guidelines and standards define the implementation...
- Map Amendments (Loma)
FEMA uses the most accurate flood hazard information...
- Know Your Risk
Flood Maps; Flood Data Viewers & Geospatial Data; Change...
- Process to Revise a Flood Map
Revision Methods Revision Options Check Your Request's...
- FEMA Flood Maps and Zones Explained
Flood maps, known officially as Flood Insurance Rate Maps,...
- Map Service Center
Everyone is at risk for flooding. You may be in a flood zone, a storm surge area, or an evacuation zone. Use our interactive maps to see the difference.
A flood zone is a defined geographic area with a specific flood hazard risk. It represents the probability and impact of flooding on that area and is used to determine insurance requirements and costs. Flood zones are shown collectively on a flood map.
Flood zones are indicated in a community’s flood map. Each flood zone describes the flood risk for a particular area, and those flood zones are used to determine insurance requirements and costs. Know your property’s flood risk. To find your community’s flood map, visit the Flood Map Service Center and search using your property’s address.
From the NFHL Viewer, you may view, download, and print flood maps for your location. The data depict effective flood hazard information and supporting data used to develop the information. The primary flood hazard classification is indicated in the Flood Hazard Zones layer. The NFHL layers include:
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