When do I need a Grading/ESC Permit?

All Single Family Residential Construction and Any Project Disturbing 5,000 square feet or more, within the City of Owatonna are required under the Stormwater Management Ordinance to obtain a Grading / Erosion and Sediment Control (ESC) Permit from the Engineering Department.

Please visit the Construction Stormwater page for further information as well as access to applications and fees.

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1. When do I need a Grading/ESC Permit?
2. What is Low Impact Development?
3. What are Low Impact Development Practices?
4. How does Low Impact Development affect Owatonna?