Flood Zones: Menasha vs Oshkosh

The City of Menasha regulates floodplain development through Chapter 13-3 (Floodplain Zoning) of Title 13 of the Menasha Municipal Code, adopted under Wis. Stat. Sec. 87.30 and conforming to Wis. Admin. Code Chapter NR 116 and 44 CFR 59-72. Section 13-3 establishes a Floodway District (13-3.C), Flood Fringe District (13-3.D), and General Floodplain District (13-3.E), with general provisions in 13-3.B and administration in 13-3.G. Lake Winnebago and the Fox River are the primary flood sources, and FEMA Flood Insurance Rate Maps for Winnebago and Calumet Counties define the Special Flood Hazard Areas regulated by the city.

The City of Oshkosh administers floodplain and shoreland zoning within its corporate limits through Chapter 30 of the Municipal Code, using overlay zoning districts including the Floodplain Overlay (FP-O), Shoreland Overlay (SL-O), Lakefront Residential Overlay (LR-O), and Riverfront Overlay (RF-O). The ordinance is adopted under Wis. Stat. Sec. 87.30 and conforms to Wisconsin Administrative Code Chapter NR 116, plus 44 CFR Parts 59-72 for participation in the National Flood Insurance Program. The principal flood sources in Oshkosh are Lake Winnebago and the Fox River. Effective Flood Insurance Rate Maps and the Flood Insurance Study for Winnebago County are published by FEMA and available through the FEMA Map Service Center (msc.fema.gov) and the Winnebago County Adopted Floodplain Viewer.