SWM is a stormwater utility that provides services to unincorporated Snohomish County. These services are funded by service charges paid by property owners in the unincorporated county. SWM is the largest division in Snohomish County’s Department of Conservation and Natural Resources. With an annual budget of $35 million, SWM maintains 95 full-time positions filled by dedicated professionals in their field. SWM works in partnership with other local and regional agencies to improve Snohomish County now and for future generations. SWM provides a variety of programs and services for reducing road and property flooding and preserving and improving the health of Snohomish County's water resources and natural systems. We focus on four core areas of service: Drainage and road flooding Clean water in rivers, streams and lakes; Salmon and marine habitat; and River flooding You can find us responding to water-quality problems and complaints, monitoring river levels during flood season, maintaining drainage systems, managing habitat improvement projects and more.