Lincoln County, NC Environmental Rules: Flood Zones (2026)

21 from the county's Flood Insurance Study and Flood Insurance Rate Maps dated 8-16-2007, with an original mapping date of 12-1-1981 for the unincorporated area. 41, an applicant must present a certified plot plan showing the boundary of the Special Flood Hazard Area, the applicable flood zone designation, floodway or non-encroachment boundaries, and available Base Flood Elevation data, plus the proposed elevation of every structure's reference level and utility systems. Certification requirements run through construction: an elevation certificate (FEMA Form 81-31) is due before construction starts, a second certificate is due within seven calendar days of the reference level being set, and a final as-built certificate is due before a certificate of compliance or occupancy issues.

Nonresidential floodproofing instead of elevation requires a floodproofing certificate (FEMA Form 81-65) with an operational and maintenance plan, certified by a licensed engineer or architect. 23 requires full compliance with the chapter for any structure or land located, extended, converted, altered, or developed in the mapped area, and the Floodplain Administrator can deny a permit or withhold occupancy for missing or deficient certifications.