The Federal Emergency Management Agency (FEMA) provides Flood Insurance Rate Maps (FIRM) for all areas of DuPage County including the City of Warrenville. These maps and flood insurance rate study reports were updated on August 1, 2019 and may be viewed on DuPage County Stormwater Management Division website or FEMA's Map Service Center.
Paper copies of these maps are available for review at the City of Warrenville Community Development Department.
Questions about the revised floodplain maps may be directed to Senior Civil Engineer Kristine Hocking at 630-836-3066 or firstname.lastname@example.org or to the FEMA Map Assistance Center, toll free at 877-FEMA-MAP (877-336-2627).
USGS Real-Time Water Data