Grand Avenue green stormwater infrastructure

Learn more about green infrastructure on Grand Avenue

About the project

Grand Avenue was fully reconstructed between West 48th Street and Lake Street to improve the street condition, make safety improvements, improve public transit connections, and add green infrastructure to the area. 

  • Type of green infrastructure: Bioretention basins and underground detention.  
  • Functions: 
    • Collects rainwater from the roads, sidewalks, and buildings and lets it soak into the ground 
    • Reduces stormwater runoff
    • Reduces pollutants discharged to our lakes, streams, and river
    • Adds desirable plants and trees
    • Reduces hardcover and greens the city 
    • Creates a community amenity  
    • Combines safety and environmental goals

For more information on the Grand Ave reconstruction project, click here



Project nearing completion

  • Final grading completed
  • Seeding completed
  • Inspection completed

Maintenance work proposed to correct deficiencies noted in inspection



Rain gardens repaired and maintained for winter

  • Adjusted slope and depth
  • Addressed exposed edges of the sidewalk, conduit, and curb sections caused by erosion
  • Installed erosion control blankets
  • Cut weeds
  • Cleaned inlets of sediment and debris
  • Repaired structural elements

Communication to residents

Grand Avenue residents informed of upcoming maintenance to rain gardens and tips for care.

Read the letter to residents here


Map sent out

Grand Avenue residents sent map of rain garden locations and guide for residential care 



Project update to be sent to Grand Avenue residents


Maintenance work to Begin


Anticipated project completion

Inlet to green boulevard from the street
Concrete Box with dirt around it

Contact us

Surface Water & Sewers

Public Works




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

(Our office is closed to the public at this time)

Office hours

Monday – Friday
7 a.m. – 3:30 p.m.

Shahram Missaghi

Water Resources Coordinator
Surface Water & Sewer Division
Public Works




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