Experts in flood mitigation see a national system decades behind. A recently disbanded FEMA advisory group was supposed to ...

About 75% of the nation’s flood insurance maps are outdated, leaving the door open for property owners to seek their own ...

While FEMA flood maps are a trusted government resource on flooding, many of the maps are decades old, according to Dean Tarulli, a certified flood plain manager with Tidal Basin Group.

The sensors, which are being deployed over the next 18 months, use sonar technology to detect when water levels rise and ...

North Port is developing a new floodplain management plan. It helps the city deal with hazards that could make flooding worse ...

A map of a section of Kerr County, Texas, where a deadly flood struck on July 4, 2025, compares the FEMA flood map’s 100-year flood zone (red) to First Street’s more detailed 100-year flood ...

A dramatically expanded flood insurance map from FEMA could add costly premiums to many families’ bottom lines. It is part of the difficult trade-off of resiliency planning, McPhearson said.

The current maps show 8.7 million properties are at risk of a 100-year flood, which means those properties has a 1% chance of being flooded in any given year.

Many areas of western North Carolina affected by flooding had FEMA flood maps that were 12 to 15 years old, according to Anna Weber, a senior policy analyst at the Natural Resources Defense Council.