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Madison commission adopts updated floodplain ordinance to align with new maps
Summary
The commission approved second reading of Ordinance 1673 to repeal and replace Chapter 18 (floods), allowing use of best‑available data and clarifying technical‑data submittals so the city’s rules align with new FEMA maps effective November 2024.
Ryan, a city staff presenter, told the commission the second reading of Ordinance 1673 updates the city’s floodplain regulations to match new maps that take effect in November 2024. “Our new maps come in effect November 1, 2024,” he said, and the ordinance allows the city to use best‑available data and adds definitions and clearer timing for technical data submittals.
The ordinance largely reorganizes and clarifies existing requirements rather than making broad policy changes, Ryan said; he called out a small set of typographical corrections from the first reading. Commissioners had no further questions and moved to approve the second reading.
Commissioners voted in favor of the ordinance by voice vote and the motion carried. The ordinance change is intended to ensure Madison’s flood regulations reference current mapping and reduce ambiguity for when technical flood data must be submitted by applicants.
The adoption takes effect under the standard ordinance schedule unless the record or subsequent filings state otherwise; staff noted the ordinance was needed so the new maps are effective on the stated November date.
