Floodsmart.gov The official site of the National Flood Insurance Program
Call toll free: 1-888-379-9531 or have us call you
Home
- What Causes Flooding
- Dams
- Flash Floods
- Flood After Fire
- Heavy Rains
- Ice Jams
- La Niña
- Levees
- Mudflows
- New Development
- Snowmelt
- Spring Thaw
- Tropical Storms and Hurricanes
- West Coast Rainy Season
- Defining Flood Risks
- Understanding Flood Maps
- Undergoing a Map Change
- Flood Map Update Schedule
- Floodsmart Video Library
- Flood Risk Scenarios
- The Cost of Flooding
- The Levee Simulator
Email Updates
Flooding & Flood Risks
New Development
Construction and development can change the natural drainage and create brand new flood risks. That's because new buildings, parking lots, and roads mean less land to absorb excess precipitation from heavy rains, hurricanes, and tropical storms.
See a New Development scenario right now.
Last Updated: Friday, 27-Jul-2012, 8:30 AM (EDT)
500 C Street SW, Washington, D.C. 20472
Disaster Assistance: (800) 621-FEMA, TTY (800) 462-7585
U.S. Department of Homeland Security
FEMA Home | Contact FEMA |
Privacy Policy | Important Notices |
FOIA | USA.gov | DHS
| Agent Site