Critical Area

A natural, cultural and historic wonder, the Mississippi River defines and shapes our metro area. Because of its importance, the 72-mile stretch through the Twin Cities is recognized as a national park unit and a state critical area. 

Along with those designations came some protections, but Friends of the Mississippi River (FMR) knew we could do better. Starting in 2007, FMR pushed alongside communities and policymakers for stronger, more protective riverfront rules for the Mississippi River Corridor Critical Area. 

By the end of 2025, all 25 river cities and townships in the Twin Cities metro had adopted clearer, science-based regulations for riverfront development through the Minnesota Department of Natural Resources' critical area program. Learn more about what this accomplishment means for the Mississippi River in the Twin Cities and read the latest updates below.

Critical Area
4 years overdue: When will St. Paul adopt its riverfront rules?

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St. Paul was supposed to adopt a new Mississippi River Corridor Critical Area ordinance to guide riverfront development by January 2021. Four years later, the process has stalled and city leaders won't share why. Read more
St. Paul downtown riverfront in winter
What St. Paul's new riverfront rules should include

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St. Paul's city council will probably vote on a new critical area ordinance this fall or winter. Here are three provisions we'll be looking for in their next draft. Read more
Sunset from Harriet Island over the river.
St. Paul continues to dodge new riverfront development rules

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St. Paul's promising ordinance has been stalled for months, with no explanation from city leaders. Read more
The downtown St. Paul skyline stretches across the top of the frame, with the river and residential housing in the foreground.
St. Paul's new bird-safe, river-oriented development rules move ahead

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We think the city's proposed Mississippi River Corridor Critical Area development guidelines are the best we've seen. Read more
St. Paul skyline and Mississippi River
River Guardians' impacts in 2022

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In 2022, 1,225 River Guardians sent 2,974 letters to 166 decision-makers, significantly impacting our work towards a healthier, more resilient river community. Read more
Paddleboat on river with young angler
What can cities do to guide development and protect open space?

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When we work with community members involved in local development and habitat protection issues, we often hear similar questions: "What can my city leaders do about this issue?" "Does anyone have the power to change this project?" Here's a summary of how cities can shape development and protect open space.  >>

Read more
From Ramsey to Ravenna, updated riverfront protections come to life

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Until recently, the Twin Cities riverfront lacked consistent development standards and environmental protections. After many years of work, FMR is now supporting 25 cities and townships as they finish the final step in a long journey for better riverfront management.  >>

Read more

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Upcoming Events

Saturday, August 8, 2026 - 11:00am to 1:00pm
Cherokee Regional Park, West Side, St. Paul
Tuesday, August 11, 2026 - 6:00pm to 8:00pm
River Oaks Park, Cottage Grove
Wednesday, August 12, 2026 - 5:00pm to 7:00pm
Cargill Building, University of Minnesota Saint Paul campus