Salt Lake County, UT Environmental Rules: Flood Zones (2026)

060(B). 070(D)(1), which requires applicants to submit, on forms furnished by the administrator, paper or electronic: scaled plans showing the location, dimensions and elevation of proposed landscape alterations; scaled plans for existing and proposed structures, including manufactured homes; the location of all of that relative to the special flood hazard area; the elevation in relation to mean sea level of the lowest floor, including any basement or crawlspace, for new and substantially improved structures; the elevation to which a nonresidential structure will be floodproofed, backed by a registered professional engineer's certification that it meets the chapter's floodproofing criteria; a description of any watercourse alteration or relocation; and any other information the administrator or Salt Lake County Flood Control reasonably requires.

070(D)(1)(j). 070(D)(2) to address risks like danger to life and property, susceptibility to flood damage, debris hazards, emergency-vehicle access and atypical service costs. 080 then apply: new construction and substantial improvements must be anchored against flotation and lateral movement, built with flood-resistant materials, and, for residential structures, have the lowest floor elevated one foot above the base flood elevation, with a licensed engineer or surveyor certifying compliance. 92.