National Pollution Discharge Elimination System (NPDES)

NPDES is a permit supervised by the Department of Ecology. This permit requires the City of Lynnwood to control water runoff so it does not pollute local waters.

You can use this page to view our management plans and reports. Contractors can use this page to download templates for pollution prevention plans.

City Stormwater Documents 

NPDES Phase II Stormwater Permit(PDF, 7MB)

 Lynnwood Stormwater Management Comprehensive Plan 2020(PDF, 51MB)

Illicit Discharge Implementation Plan(PDF, 9MB)

Swamp Creek Fecal Coliform Bacteria TMDL(PDF, 5MB)

2025 NPDES Phase II Annual Report(PDF, 356KB)

2026 Stormwater Management Program Plan(PDF, 29MB)

Supplemental Stormwater Guidelines(DOCX, 61KB)

Useful Documents for Contractors 

Stormwater Pollution Prevention Plan (SWPPP)(DOCX, 146KB)

13 Element Checklist Handout(DOCX, 75KB)

2019 Stormwater Management Manual for Western WA(PDF, 136MB)

2019SWMMWW_Errata_1-25-22(PDF, 155KB)

Site Inspection Form Template(DOCX, 56KB)  

Construction Stormwater General Permit (CSWGP) 

Industrial Stormwater General Permit (ISGP) 

Spill Prevention, Control, and Countermeasures (SPCC) Template for Private Development(DOCX, 102KB)

Questions? Contact environmental@LynnwoodWA.gov