The county addresses flood control issues through a comprehensive flood hazard management planning program that incorporates a selection of planning, engineering, and environmental protection measures.
Traditional flood control measures generally refer to engineering projects intended to control flood waters, such as the building of levees and dikes and dredging rivers. Nationwide the current focus is on floodplain management, which refers to the operation of an overall program of preventative measures to reduce flood damage.
The county's floodplain management actions include:
North Creek Comprehensive Flood Hazard Management Plan - Draft report to be updated to incorporate Endangered Species Act (ESA) requirements
Skykomish Comprehensive Flood Hazard Management Plan - Draft report to be updated to incorporate ESA requirements
Snohomish County Natural Hazard Mitigation Plan (SCNHMP) - Addresses nine types of natural disasters (including flooding) that could occur in Snohomish County, assessing risk levels and proposing mitigation actions to minimize damage, updated and adopted September 2010