Seattle Public Utilities. 2009. Green Stormwater Operations and Maintenance Manual. Seattle Public Utilities Department.

Best management practice, Green infrastructure, Maintenance, Management, Manual/guidance document, Stormwater, Urban, BMPs

This manual describes both routine and non-routine maintenance activities associated with natural drainage system (NDS) stormwater projects in Seattle, Washington (U.S.). Each service category is broken into four levels of service, each of which is described using tables and photos.