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

Treatment Best Management Practices

Press Enter to show all options, press Tab go to next option

Reduce and/or eliminate pollutants from stormwater through natural and mechanical treatment mechanisms

Natural Treatments:SoilGrassProfile

Vegetation and soils provide natural treatment of stormwater through biofiltration and infiltration

  • Gardens and Rain Gardens

How Rain Gardens Work

Rain Garden Handbook Western Washington


  • Permeable Pavers

Permeable Driveway  Permeable Driveway Rocks

Mechanical Treatments:

Scientifically developed technologies designed to remove pollutants from stormwater runoff

  • Media Filters

Media Filter Vault

  • Electrocoagulation

(EC is a broad-spectrum treatment technology that removes total suspended solids (TSS), heavy metals, emulsified oils, bacteria and other contaminants from water)

Electrocoagulation Stormwater Treatment Diagram