Roseville, MN Environmental Rules: Flood Zones (2026)

Chapter 1015 applies to all land in Roseville shown on the official zoning map as within the floodway, flood fringe, or general floodplain districts. The map set includes the flood insurance study for the county and flood insurance rate map panels, including 27123C0012G and 27123C0101G, with the index map 27123CIND0B, all dated June 4, 2010 and prepared by the Federal Emergency Management Agency. Section 1015.03 defines the floodway district as Zone AE and Zone A areas below the ordinary high water level. The flood fringe district covers Zone AE and Zone A areas below the one percent annual chance flood elevation but above the ordinary high water level. No new structure or land can be used, and no structure built, located, extended, converted, or structurally altered, without full compliance with the chapter.

In the floodway, permitted uses are limited to general farming, pasture, outdoor plant nurseries, boat launching ramps, swimming areas, parks, nature preserves, fishing areas, and residential lawns, gardens and play areas. They must have low flood damage potential and cannot involve structures, fill, obstructions, excavations or storage of materials or equipment. Conditional uses such as sand and gravel extraction, marinas, railroads, streets, bridges, and placement of fill cannot cause any increase in the stage of the 100-year or regional flood.

In the flood fringe, permitted uses follow the underlying zoning district, and all structures must be elevated on fill so the lowest floor, including basement floor, is at or above the regulatory flood protection elevation. Residential basement construction below that elevation is not allowed.

Under Section 1015.10, the community development department administers the chapter and issues the permit required before erecting, adding to, or altering a building, before a change of use, and before placing fill, excavating, or storing materials or equipment within the floodplain. In Zone A, the applicant must furnish the information needed to determine the one percent annual chance flood elevation.