In September 2009, FEMA implemented a new Nassau flood map that added 25,000 county homeowners to flood zones. Banks holding mortgages for those owners required them to purchase flood coverage at ...

More than 4,000 properties on Nassau County's South Shore, including Cedarhurst, Lybrook and Valley Stream, have been removed from the new federal flood zone maps.

FEMA's controversial Nassau County flood map is accurate, the agency said Wednesday, so no property owners will be removed from it - or from the requirement to spend as much as $3,000 a year for ...