Flood Zones: Mosinee vs Rothschild

The City of Mosinee regulates floodplain development through Chapter 42 (Land Use), Article V Floodplain Zoning of its Code of Ordinances, in conformance with Wis. Stat. Sec. 87.30 and Wisconsin Administrative Code Chapter NR 116, plus 44 CFR Parts 59-72. The Wisconsin River runs through Mosinee and is the principal regulated waterway, including reaches affected by the Mosinee Dam. The Marathon County Flood Insurance Study and Digital Flood Insurance Rate Maps (DFIRMs) became effective July 22, 2010. Mosinee participates in the National Flood Insurance Program; new residential structures are prohibited in the regulatory floodway and in the flood fringe must be elevated to the flood protection elevation.

The Village of Rothschild regulates floodplain development through Chapter 572 (Floodplain Zoning) of the Village Code, adopted by the Village Board on January 13, 2025, pursuant to Wis. Stat. Sec. 61.35, Sec. 62.23, and the floodplain-zoning mandate of Wis. Stat. Sec. 87.30 and Wis. Admin. Code Chapter NR 116. The chapter regulates all areas of special flood hazard identified as Zones A, AO, AH, A1-30, or AE on the Flood Insurance Rate Map. Marathon County's effective FEMA Flood Insurance Study and FIRMs took effect July 22, 2010 and are the maps referenced for flood hazard determinations. The Wisconsin River, including the reach at the Rothschild Dam, is the principal regulated waterway through the Village.