- King County, Washington

Download here:

2021 SPPM - Full Document (1.92 MB)

BMP Activity Sheets for Commercial and Multifamily Residential Activities
BMP Activity Sheets for Residential Activities
Information Sheets with more detailed information on specific pollution prevention practices called out in the BMP Activity Sheets.

Previous version of the SPPM:

2016 Stormwater Pollution Prevention Manual (2.7 MB)

Related Topics

Stormwater services

Resources and technical guidance to help manage stormwater.

Environmental monitoring

Water quality data, including fresh waters, groundwaters, and marine waters.

Watersheds, rivers, streams & lakes

Info on watersheds, rivers and streams including news, reports, data, activities and grants.

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