Flood mitigation program

Flood mitigation looks for the causes of flooding in specific areas, using modeling software to determine how to reduce or eliminate the possibility of flooding.

Heavy rain can cause urban flooding, and can happen far away from bodies of water. Flooding can happen when:

  • The storm drain system is not big enough
  • There are not enough storm drain inlets
  • There is not enough green space to help stormwater naturally soak into the ground

Each situation can be different and can depend on several factors. Flood mitigation projects  use these strategies to help reduce flooding:

  • Adding new storm drain inlets and pipes so streets can drain faster
  • Building stormwater holding ponds
  • Build green infrastructure such as rain gardens that can help with smaller rainfalls


We have completed computer modeling on approximately 90% of the city. The models help identify flood-prone areas where we should focus future flood studies. We also receive flooding complaints that help us identify problem areas. We are currently studying several of the worst problem areas. The studies help us:

  • Develop potential solutions.
  • Look for conflicts with other buried utilities and obstacles.
  • Estimate construction costs.

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Contact us

Surface Water & Sewers

Public Works




Public Service Center
250 South 4th St, Room 300
Minneapolis, MN 55415

Office hours

Monday – Friday
7 a.m. – 3:30 p.m.