Public Works Engineering

400 W. Gowe St., Kent, WA 98032

Office Hours: Monday - Friday 8 a.m. to 5 p.m.

Phone: 253-856-5500

Fax: 253-856-6500

publicworks@kentwa.gov

Source Control Best Management Practices

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Prevent pollution through good planning and property management

Best Management Practices (BMP)


Chemicals and Hazardous Waste

  • STORE... per manufacturer's recommendations, under a roof, sheltered from rain, and with secondary containment to prevent spread in case of spills
  • USE... per manufacturer's recommendations and where it is sheltered from rain
  • DISPOSE... per manufacturer's recommendations, and properly base on local options and service

Cleaning and Washing Activities

Prevent wash water from getting to any drains or protected areas

  • Create a barrier before and/or at drains to prevent wash water from going to storm sewer
  • Redirect wash water to a floor drain that is connected to the sanitary sewer for treatment

Construction and Remodeling


Food and Drink


Garbage, Recycling, and Yard Waste


Lawn and Landscaping Activities

  • Collect grass clippings and yard waste for composting.
  • Reduce or eliminate the use of pesticides and fertilizers, and if needed, use slow release fertilizers.
  • Use a push or electric lawn mower and other tools and equipment.
  • Pick up litter and pet waste and dispose of in trash can.
  • Use landscaping methods such as vegetation, rocks, and French drains around your property to keep surface water from flowing onto neighboring properties or the sidewalk or street.
  • Use a push or electric lawn mower and other tools and equipment.
  • Use pads or rocks to spread the flow from roof downspouts, decks and other surfaces.
  • Use a rain barrel or cistern to collect and use rain water in the yard.


Painting and Decorating Activities

Paint Use

  • Keep all liquids and paint products away from the street, gutter and storm drains.
  • Use rags and drop cloths to collect paint drips and spills. Dry rags and drop cloths before storing or disposing of.
  • When cleaning brushes and tools covered with water-based paints (latex paints) in indoor sinks connected to sanitary sewers or in portable containers that can be dumped into an indoor sanitary sewer drain.
  • When cleaning brushes and tools covered with non-water-based paints, finishes, or other materials this must be done in a manner that enables collection of used solvents (e.g. paint thinner, turpentine, etc.) for recycling or proper disposal.

Paint Disposal

  • Thoroughly dry used brushes, rags, drop cloths and empty paint cans (lids off), may be disposed of as trash.
  • Leftover latex paint can be dried out and placed in the garbage.
  • Oil based paints, finishes, and solvents can be disposed of at the Hazardous Waste Mobile located at the Auburn Outlet Mall from 10am-5pm every Saturday & Sunday.

Paint Storage

  • Store paint and other hazardous materials according to the manufacturers recommendations.
  • Always keep paint cans and used painting supplies sheltered from rain, and in a tray or container that will prevent the spread of the paint in case of an accidental spill.

 Pets and Animals

  1. Scoop the poop
  2. Put it in a plastic bag
  3. Place it in the trash
  4. Wash your hands


    Pools and Spas


    Storing Raw Materials & Products


    Vehicles, Boats, and Equipment