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6120.3300 Minnesota Rule Page 6 of 13 The placement of structures and other facilities on all lots must be managed by shoreland controls as follows: A. Structure setbacks. The following minimum setbacks presented in the following table for each class of public waters apply to all structures, except water-oriented accessory structures and facilities that are managed according to item H: (1)Structure setback standards Class Ordinary high water level setback (feet) Setback from top of bluff(feet) Unsewered Sewered Natural 150 150 30 environment Recreational 100 75 30 development General 75 50 30 development Remote river 200 200 30 segments Forested and 150 150 30 transition river segments Agricultural, urban, 100 50 30 and tributary river segments (2)Exceptions to structure setback standards in subitem (1). Where structures exist on the adjoining lots on both sides of a proposed building site, structure setbacks may be altered without a variance to conform to the adjoining setbacks provided the proposed building site is not located in a shore impact zone or in a bluff impact zone. B.High water elevations. In addition to the setback requirements of item A, local shoreland controls must regulate placement of structures in relation to high water elevation. Where state-approved, local flood plain management controls exist, structures must be placed at an elevation consistent with the controls. Where these controls do not exist, the elevation to which the lowest floor, including basement, is placed or flood-proofed must be determined as follows: (1)For lakes, by placing the lowest floor at a level at least three feet above the highest known water level, or three feet above the ordinary high water level, whichever is higher. In instances where lakes have a history of extreme water level fluctuations or have no outlet capable of keeping the lake level at or below a level three feet above the ordinary high water level, local controls may require structures to be placed higher. (2)For rivers and streams, by placing the lowest floor at least three feet above the flood of record, if data are available. If data are not available, by placing the lowest floor at least https://www.revisor.mn.gov/rules/?id=6120.3300 5/1/2012