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Best Management Practices are schedules of activities, prohibited practices, maintenance procedures and structural and/or managerial practices that—when used singly or in combination—prevent or reduce the release of pollutants to water (Washington State Stormwater Manual).

Manuals and Research


Urban Stormwater BMP Performance Monitoring Manual from the EPA

International BMP Database


The International Stormwater Best Management Practices (BMP) Database project website features a database of over 530 BMP studies, performance analysis results, tools for use in BMP performance studies, monitoring guidance and other study-related publications.

Toolboxes and Models


Metropolitan St Louis Sewer District
Stormwater BMP Toolbox Stormwater Best Management Practices (BMP) Toolbox

WERF, the Water Environment Research Foundation
BMP and LID Whole Life Cost Models: Version 2.0