All facilities requiring permit coverage must assess for industrial activities and materials, and consider the potential pollutants that can come from these activities and materials. Choose the best stormwater control measures for your facility, so that you do not discharge contaminated stormwater to the ground or surface waters.

How do I choose stormwater control measures?

excellent stormwater management practices; closed drums inside another container, indoors
example of great stormwater control measures; indoor storage of closed containers in secondary containment

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Identifying control measures that you will install at your facility is a SWPPP requirement. You are not required to have structural BMPs implemented by the time you apply for permit coverage.You must document in your SWPPP which ones you will be utilizing at your facility.

There are 3 different types of stormwater control measures you may choose to implement at your facility:

  • Non-structural (good housekeeping, moving products/wastes indoors, etc.)
  • “Off-the-shelf” structural (simple, easy-to-install BMPs)
  • Structural (more complex, may take time and/or money to install)

Many of the recommendations for No Exposure offer ideas for non-structural and simple structural control measures that can be implemented at your facility.

Keep a few things in mind as you review the suggestions:

  1. Are the BMPs appropriate for my facility size/industrial activity/significant material?
  2. Are the BMPs I’ve chosen the most cost effective to install?
  3. Is there another BMP that is simpler/cheaper to get the job done?
  4. Does the BMP have to be maintained and do I have the staff/time to maintain it?
  5. Is there something I can do to eliminate (prevent) precipitation from coming in contact with my industrial activity/significant material in the first place?

Again, think No Exposure!

Consider simple structural BMPs. The Minnesota Erosion Control Association has a list of structural BMPs and companies that install them. Assess which BMPs you selected before you begin implementing them.

Ask yourself these questions:

  • Which ones are the easiest to implement, or take the least amount of time to install?
  • Which ones will require the most time/money?
  • Which ones will have the most significant impact on improving your stormwater runoff?

It may happen that you will want to choose different BMPs, once you start installing or implementing them. That’s okay! Just be sure to update your Stormwater Pollution Prevention Plan. Information on installing BMPs depends on which BMPs you choose.

Start with the simple BMPs first, such as moving materials indoors or under cover.

Guidance materials and resources

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This page was last edited on 24 May 2018, at 19:07.