The following information should assist in determining applicable stormwater requirements for new development and redevelopment projects under the 2016 City of Olympia Drainage Design and Erosion Control Manual (DDECM). Guide sheets are provided below for permit applicants, engineers, contractors, and designers to assist in preparation of plans and reports for all types of projects.
These guide sheets are not intended to replace related sections of the DDECM. If there is discrepancy between these sheets and language in the DDECM, the requirements of the DDECM shall prevail.
Stormwater Review and Project Submittal Requirements
Construction Stormwater Pollution Prevention
Stormwater Site Management Plans and Facility Maintenance
The following templates shall be used when preparing Stormwater Site Management Plans for projects required to comply with Core Requirement #9 - Operation and Maintenance (DDECM, Volume I, Section 2.5.9). A content checklist for Stormwater Site Management Plan preparation can be found in Guide Sheet 1C.