Government flood-insurance maps often left ... works with local and state officials during the revision process, and communities may resist expanding designated flood zones because it adds costs ...

The Federal Emergency Management Agency has decided not to expand the flood zone for downtown Washington and the Mall ... agency had "rescinded" the new maps that were to take effect in September.

Millions of Americans just woke up in a flood zone that had never before been listed on U.S. government maps. The first-ever ... to grow in almost every state, and often in places far from ...