| Flood Impacts |
| 20.5 | This level is about a 10 year flood. |
| 19.0 | This level is about a 5 year flood. |
| 18.0 | Some homes in Martintown are affected by floodwaters. There is widespread lowland and agricultural land flooding. |
| 17.5 | Downstream in Winslow Illiniois...Highway 73 is flooded. |
| 16.2 | This level is about a 2 year flood. |
| 16.0 | Floodwaters get into the back yard of at least one home in Martintown. |
| 13.5 | Floodwaters affect Martintown Road and West River Road in the Martintown area. Upstream in the Browntown area...floodwaters affect Highway MM and West Indies Road. |
| 13.0 | Tillable farm land is flooded. |
| 11.0 | There is minor lowland flooding. |
| 9.5 | There is minor...non-damaging lowland flooding. |