Best Management Practices

City of Bothell has adopted the BMP requirements found in King County’s Stormwater Pollution Prevention Manual. As King County periodically updates the manual, always check the King County website for the most up-to-date BMPs.

What are best management practices?

Best management practices (BMPs) describe ways to manage your land and activities to mitigate pollution of surface and groundwater near you.

  1. Commercial BMPs
  2. Residential BMPs

Commercial Best Management Practice (BMP) activity sheets

Source: King County Stormwater Pollution Prevention Manual

These BMP Activity Sheets are intended for commercial, industrial, agricultural, public, and multifamily residential activities.

A-1 Required BMPs for All Properties with Commercial Activities 

A-2 Storage of Liquid Materials in Stationary Tanks 

A-3 Storage of Liquid Materials in Portable Containers 

A-4 Storage of Soil, Sand, and Other Erodible Materials 

A-5 Storage of Pesticides and Fertilizers

A-6 Storage of Contaminated Soils

A-7 Storage or Processing of Food Items

A-8 Storage or Solid Waste and Food Wastes (Including Cooking Grease)

A-9 Storage of Scrap, Recycling Materials (Including Auto Recycling Facilities)

A-10 Treatment, Storage, or Disposal of Dangerous Wastes

A-11 Cleaning or Washing of Tools and Equipment

A-12 Cleaning or Washing of Food Service Areas and Equipment

A-13 Vehicle Washing and Steam Cleaning

A-14 Interior Washing Operations (Including Mobile Contractors)

A-15 Pressure Washing of Buildings, Rooftops, and Other Large Objects

A-16 Truck or Rail Loading and Unloading of Liquid or Solid Materials

A-17 Stationary Fueling Operations

A-18 Vehicle and Equipment Repair and Maintenance

A-19 Concrete, Asphalt Production, and Recycling

A-20 Concrete and Asphalt Application

A-21 Manufacturing and Post-Processing of Metal Products

A-22 Painting, Finishing, and Coating of Vehicles, Products and Equipment

A-23 Wood Treatment and Preserving

A-24 Commercial Composting

A-25 Chemical Applications - Other Than Landscaping

A-26 Landscaping Activities and Vegetation Management

A-27 Clearing and Grading of Land for Small Construction Projects

A-28 Demolition of Buildings

A-29 Building Repair, Remodeling, and Construction

A-30 Ship/Boat/Watercraft Building, Maintenance, and Repair

A-31 Vehicle and Equipment Parking and Storage

A-32 Sidewalk Maintenance

A-33 Swimming Pool and Spa Cleaning and Maintenance

A-34 Keeping Animals in Controlled Areas

A-35 Keeping Livestock in Stables, Pens, Pastures, or Fields

A-36 Logging and Log Yards

A-37 Mining and Quarrying of Sand, Gravel, and Other Materials

A-38 Well, Utility, Directional and Geotechnical Drilling

A-39 Roof Vents and Fugitive Emissions

A-40 Street Deicing Operations

A-41 Wheel Wash and Tire Bath Operations

A-42 Potable Water Line Flushing, Water Tank Maintenance and Hydrant Testing

A-44 Dust Control for Commercial Operations

A-45 Maintenance of Public and Private Utility Corridors and Facilities

A-46 Color Events

A-47 Older Fueling Operations

A-48 Mobile Fueling of Vehicles and Heavy Equipment

Page last updated June 30, 2021

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