Minneapolis requires a grading permit for any change in grade exceeding 50 cubic yards or grading within drainage easements or the Shoreland Overlay District. All grading must maintain existing drainage patterns and cannot divert runoff onto neighboring properties.
Grading and drainage in Minneapolis are regulated under Chapter 52 (Erosion Control) and Chapter 510 (Surface Water). A grading permit is required for excavation or fill over 50 cubic yards, changes in lot elevation over 1 foot, or any grading within the Shoreland Overlay, Floodplain Overlay, or a recorded drainage easement. Residential properties must maintain positive drainage away from structures for at least 10 feet at a minimum 5 percent slope (1:20). Altering drainage to redirect water onto neighboring properties is prohibited under both Chapter 510 and Minnesota common law (reasonable use rule). Lot regrading as part of landscaping is subject to the setback and drainage rules. Retaining walls over 4 feet in exposed height require a building permit and engineered design. Public Works Surface Water division reviews grading plans affecting city drainage infrastructure.
Specific penalty amounts for this ordinance are not published in a publicly accessible fine schedule. Contact Minneapolis code enforcement directly for current fines, enforcement procedures, and hearing options.
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