The Monona County Board of Supervisors met May 5, 2026, in Onawa and unanimously approved routine county business including adoption of the 2026 Regional Hazard Mitigation Plan, multiple drainage district levies, equipment purchases and bid authorizations, personnel appointments and payroll changes, and several acknowledgements. The meeting opened at 8:30 a.m. and adjourned at 12:34 p.m.