Watershed Modeling

Advanced models will help us better understand and predict the flow of stormwater runoff and the amount of pollution generated during storm events.


Project Details

City: Minneapolis

Type: Other

Status: Active

MWMO Funding: $3 million

Partners: City of Columbia HeightsCity of Fridley, City of Hilltop, City of Lauderdale, City of Minneapolis, Minneapolis Park and Recreation Board, City of St. Anthony Village, City of St. Paul

Staff Contact:

Nancy Stowe
Projects and Outreach Director
Email Nancy Stowe
View Bio

The MWMO is in the process of developing comprehensive models for all of the subwatersheds within its boundaries. Using these models, the MWMO and its partners will be able to understand and predict the flow of stormwater runoff and the amount of pollution that is generated during storm events. These models will be used to help target stormwater mitigation projects in a way that maximizes their cost-efficiency and the amount of pollution and flooding they reduce.

For each subwatershed, two models are being developed. A hydrology and hydraulics (H&H) model is created to understand the volume and rate of stormwater flow during storm events. It also tells us how the infrastructure is predicted to perform during those events. A water quality model is then developed to understand the amount and sources of pollution being generated in the area.

To help ensure accuracy, the models are compared to actual MWMO monitoring data. Real-life information about the nature of the water and pollutants moving through the stormwater system is used to calibrate the models to the extent possible, providing additional certainty for decision-makers.