Stormwater Pollution Prevention Plans

A Stormwater Pollution Prevention Plan (SWPPP) is a site-specific, written document that:
  • Describes practices to reduce pollutants and the volume of stormwater discharges from the construction site
  • Describes the site and each major phase of the planned activity
  • Documents changes and modifications to the construction plans and associated stormwater pollution prevention activities
  • Identifies potential sources of stormwater pollution at the construction site
  • Identifies procedures the operator will implement to comply with the terms and conditions of a construction general permit
  • Outlines the roles and responsibilities of contractors and subcontractors

SWPPP Objectives

Keeping the following objectives in mind as you develop your SWPPP will help guide you in addressing your permit requirements and in protecting water quality.
  • Prevent sediment and other pollutants from leaving the site through stormwater runoff.
  • Minimize the area and duration of exposed soils.
  • Protect receiving waters adjacent to your site.
  • Prevent slopes and channels from eroding.
  • Preserve and protect existing vegetation to encourage infiltration.
  • Stabilize the site as soon as possible.

SWPPP Management

Like your construction site, your SWPPP is dynamic. It is a document that must be amended to reflect changes occurring at the site. The designated responsible person as per the SWPPP shall conduct weekly inspections, maintain logs, and update the erosion sediment control plan. Records of the SWPPP should be retained for three years after termination. 


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