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When To Update Your SWPPP

A stormwater pollution prevention plan (SWPPP) is a written document that identifies the activities conducted at a site, including any structural control practices, which the facility operator will implement to prevent pollutants from making their way into stormwater runoff. The SWPPP will identify key factors, such as the physical features of the facility, and procedures for spill prevention, conducting inspections, and training of employees.

A SWPPP is intended to be a “living” document with updates made as needed. Below we present situations when a change to your SWPPP would likely be needed.

For Industrial Operations:  

  • A change in ownership.
  • A change in the members of the stormwater pollution prevention team or a new responsible official.
  • When industrial activities or stormwater control practices are modified or replaced, the SWPPP is similarly revised to reflect these changes.

For Municipal Solid Waste (MSW) Operations:

  • A change in ownership.
  • A change in the members of the stormwater pollution prevention team or a new responsible official.
  • Modification to any pollution prevention control measures or Best Management Practices (BMPs).
  • New enclosures for exposed materials/activities – or removal.
    • Public Drop off;
    • HHM Building;
    • Wash bay;
    • E-waste, appliances, tires, shingles, scrap metal, etc.
  • Change in representative discharge sampling point (i.e., relocation of active area so discharge exits at a different outfall point).
  • Substantial modification to the way stormwater drains from the site such as changes to retention pond, outfalls, site drainage patterns.
  • Movement of the borrow area or substantial changes in stormwater runoff from that location

Most MSW facilities, that have an active cell should be updating their SWPPP every 5-10 years due to the way the topography changes during filling/borrowing.
Having a plan is just one piece of the regulation, according to the EPA, it is recommended that SWPPP training be done on an annual basis or immediately for any new applicable employee. Barker Lemar’s experienced staff provides personalized on-site training that includes key instruction such: as appropriate spill containment and cleanup procedures, proper materials management and storage, appropriate procedures for long-term storage or disposal of equipment and vehicles, inspection, reporting, basic stormwater runoff principles and basic stormwater management.


Barker Lemar’s team of environmental quality professionals can assist you with creation of a new SWPPP or updating your current plan. Connect with our Environmental Quality Team today.


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