Resource List – Intermediate LID: NPDES Phase I and Phase II
Permit Requirements
Western Washington
 Western Washington Low Impact Development (LID) Operations and Maintenance
(O&M) Guidance Document, LID O&M training videos, and training slides
www.ecy.wa.gov/programs/wq/stormwater/municipal/LID/Resources.html (Click on the
“Maintain LID” tab)
 Phase I Municipal Stormwater Permit
www.ecy.wa.gov/programs/wq/stormwater/municipal/phaseIpermit/phipermit.html
 Phase II Western Washington Municipal Stormwater Permit
www.ecy.wa.gov/programs/wq/stormwater/municipal/phaseiiww/wwphiipermit.html
 2018 Western Washington Municipal Stormwater Permit Reissuance
http://www.ecy.wa.gov/programs/wq/stormwater/municipal/2018Reissuance.html