| Flood Impacts |
| 25.0 | The city of Ottumwa is protected by a 25 foot levee. |
| 23.0 | The levee opening at the south end of the Market street bridge may need to be planked and sandbagged. |
| 22.0 | Sandbagging and planking operations may be necessary for openings along Vine street. |
| 19.5 | The Market street parking lot is flooded. The entrance to the Market street bridge is sandbagged. |
| 18.5 | Sewer backup will reach the street surface at Market and Commercial streets. |
| 18.0 | The Fairport area alongside the railroad tracks floods. Sandbagging may be necessary at the Vine street Diversion Chamber. |
| 17.5 | Sewer backup in basements occurs at businesses along Main street. |
| 17.0 | Paris street floods. Market street bridge closed. |
| 15.0 | Major flooding occurs in rural areas both upstream and downstream of Ottumwa. |
| 12.0 | Flooding begins at Eldon. |
| 11.0 | The northeast side of Rabbit Run is affected. Bear Creek will reach bankfull. |
| 10.0 | Agricultural flooding is observed over most of the reach between Ottumwa and Eldon. |
| 9.0 | Rural flooding begins, primarily downstream of the gage site. |
