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FEMA authorizes Indian Creek floodplain changes; 90‑day public comment period to begin
Summary
City staff told the council that FEMA has authorized publication of the revised Indian Creek floodplain maps. The city will publish the notice and FEMA will open a 90‑day comment period; staff said a lack of anticipated comments would let the new map changes take effect roughly three months from notice.
City staff told the Nampa City Council on 2025-05-05 that FEMA has authorized a public notice for proposed modifications to the Indian Creek floodplain maps. The updates will be published in the local paper and enter a 90‑day public comment period administered by FEMA.
Why it matters: If the maps stand after the comment period, many properties will see their floodplain designation reduced — staff said homeowners in the affected area could stop carrying flood insurance required under the previous mapping. City staff characterized the change as having significant benefit for residents whose parcels exit the floodplain.
What staff reported: Public works representative Daniel (Dan) Badger told the council FEMA’s authorization allows the city to place the notice in the paper and FEMA will hold the 90‑day comment window. Badger said the mapping effort has been ongoing for several years — mapping work started around 2008, maps went into effect in 2011, and the city’s recent remapping effort started about 2019–2020. He said staff do not anticipate comments that would delay the effective date and estimated residents could see the changes take effect roughly three months after publication.
Council response: Council members and the mayor expressed relief at the development and thanked staff for the years of work to secure the mapping change.
Next steps: The city will publish the FEMA notice, FEMA will administer the 90‑day comment period, and if there are no substantive appeals or comments, the new maps will take effect at the end of that comment window.
