1. The Engineering Response to Flooding 1. Inland Flooding – Ohio River

2. What do we do? 1.Understand the underlying geology 2.Calculate probability of an event 3.Estimate the severity of possible effects 4.Establish risk to populations & environment

3. What do we do? 5. Reducing the risk A.Avoidance B.Building codes C.Evacuation plans D.Removal of endangered structures E.Protective engineering

4. Avoidance / Removal

5. Cincinnati Street Intersections Affected by Floods of 50 Feet or Less Street 1Street 2Covered at gage hieght (ft) Eldorado AvenueHarbor Street44.8 Delta AvenueWool Street48.7 Croslin StreetWaits Avenue49.4 St. Peters StreetHumbert Avenue49.4 Panama StreetWaits Avenue49.8 Setchell StreetHumbert Avenue50

6. Building Codes – Elevate Above Flood Level Newly Built Riverview East Academy Buildings – Kellogg Ave

7. What do we do? 5E. Protective engineering 1)Rebuild Wetlands 2)Retention Dams 3)Impoundments 4)Levees & Floodwalls 5)Barrier Dams

8. Wetland Restoration Miami–Whitewater Forest

9. Retention Basins Dam on Creek Road – Sharonville

10. Impoundments Dam on West Fork of Mill Creek – Winton Woods

11. Artificial Levees 1997 Flood on Ohio River contained by Newport Levee

12. Barrier Dam Major elements of Cincinnati Flood Control System – Confluence of Mill Creek and Ohio River Flood Wall