Whatcom County's River and Flood Division provides flood response and floodplain management services including:

• Comprehensive flood management planning and river-related studies
• Flood hazard reduction through capital projects and acquisition of flood-prone areas
• Repair and maintenance of levees and other flood protection structures
• Emergency flood response including early warning and coordination with other agencies
• Technical assistance and site visits to assist landowners affected by flooding and bank erosion
• Floodplain permitting and administration of the National Flood Insurance Program
• Education and outreach to affected property owners, lenders, insurers, and realtors on flood risks and flood preparedness
• Administrative support for the Whatcom County Flood Control Zone District and assistance to subzones and special districts