§ 28-121. General.

The governing body shall change or supplement the floodplain zoning district boundaries and this chapter in the manner outlined in section 28-122 below. Actions which require an amendment to the ordinance and/or submittal of a letter of map change (LOMC) include, but are not limited to, the following:

(1)

Any fill or floodway encroachment that obstructs flow causing any increase in the regional flood height;

(2)

Any change to the floodplain boundaries and/or watercourse alterations on the FIRM;

(3)

Any changes to any other officially adopted floodplain maps listed in section 28-5(2)(b);

(4)

Any floodplain fill which raises the elevation of the filled area to a height at or above the flood protection elevation and is contiguous to land lying outside the floodplain;

(5)

Correction of discrepancies between the water surface profiles and floodplain maps;

(6)

Any upgrade to a floodplain zoning ordinance text required by s. NR 116.05, Wis. Adm. Code, or otherwise required by law, or for changes by the municipality; and

(7)

All channel relocations and changes to the maps to alter floodway lines or to remove an area from the floodway or the floodfringe that is based on a base flood elevation from a FIRM requires prior approval by FEMA.

(Res. of 2-13-18(1) , § 8.1)