BMPs are Best Management Practices. They include schedule of activities, prohibition of practices, maintenance procedures and other management practices to prevent or reduce the discharge of pollutants to US waters. BMPs also include treatment requirements, operating procedures and practice to control plant site runoff, spillage, or leaks, sludge or waste disposal, or drainage from raw material storage.
BMPs are required to be identified in the SWPPP when your state requires a SWPPP. Examples include: Silt Fencing, Vegetative Strips, Hydro-seeding, Mulching, etc.