| Flood Impacts |
| 76.1 | This is the flood of record...which occurred in January 1937. The entire flood plain is inundated at this level. Numerous homes...businesses and roads are flooded. Evacuations are required in the low areas of Switzerland County Indiana...as well as Carroll and Gallatin Counties in Kentucky. |
| 64.0 | Major flooding occurs in southeast Indiana and northern Kentucky near the river. Parts of Warsaw Kentucky and US 42 become flooded. Numerous evacuations near the river occur. Operations at the lock are stopped. |
| 62.0 | Significant backwater flooding can be expected...resulting in flooding of parts of Carroll and Gallatin Counties in Kentucky and Switzerland County in Indiana. Parts of Markland Kentucky and Florence Indiana become flooded. |
| 59.0 | Backwater flooding can be expected along creeks near the Ohio River and will also affect the Kentucky River. Lowland flooding becomes widespread near Carrollton...Ghent and Ethridge in Kentucky. |
| 57.0 | Lowland flooding worsens...with creeks and streams emptying into the Ohio River experiencing backwater flooding. Counties affected include Gallatin and Carroll Counties in Kentucky and Switzerland County Indiana. Several roads along the river become flooded in areas. |
| 55.0 | Water affects some trailers parked at the mouth of Craigs Creek...1.5 miles upstream of the dam near Ethridge Kentucky. Water also begins to cover parts of Route 156 in Indiana. Lowland flooding worsens along the river in Switzerland County Indiana and Gallatin and Carroll Counties in Kentucky. Backwater flooding also occurs along the Kentucky River. |
| 51.0 | Mainly lowland areas near the river are impacted...with some roads along both the Indiana and Kentucky side of the river experiencing minor flooding. |
