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PUBLIC NOTICE
posted 10/8/25 · Engineering & Secondary Roads As part of the FEMA environmental compliance review process for a Public Assistance-funded project for the Lyon County – Bridge Replacement – 04W FHWA No. 231260, we have determined the project site area is within the Special Flood Hazard Area Zone A (the 100-year floodplain). In order to comply with Executive Order 11988 and 11990, FEMA is required to complete an 8-Step determination review, per 44 CFR Part 9, regarding floodplain management and protection of wetlands. A Final Public Notice is required as part of the review (44 CFR 9.12).DRAFT Hazard Mitigation Plan Available for Review
posted 9/30/25 · Emergency ManagementSnowmobile and off-highway vehicle registrations expire at year's end
posted 9/23/25 · RecorderMotor Vehicle/Driver's License Lunch Closure 12-1
posted 7/31/25 · TreasurerFEMA Assistance Can Help Repair or Replace Furnaces
posted 10/7/24More Headlines
FEMA Approves $61 Million for Iowans
posted 8/7/24FEMA Assistance Available for Self- Employed Survivors
posted 7/31/24Sioux River Flood Response
posted 6/25/24FEMA Teams Visit Local Neighborhoods to Help Flood Survivors
posted 6/25/24IDR Announces: Homestead Tax Exemption for Claimants 65 Years of Age or Older
posted 5/19/23 · Auditor & ElectionsProposed Supervisor Districts by LSA
posted 1/19/22 · Board of SupervisorsNews from the Sheriff's Office
Releases from the Lyon County Sheriff's Office can be found in their own section on the website.