| Flood Impacts |
| 456.0 | Coon Run Levee is overtopped |
| 451.5 | McGee Creek Levee is overtopped |
| 450.0 | Mauvaise Terre Levee is overtopped |
| 449.0 | Meredoisa Lake Levee is overtopped |
| 448.9 | This level is expected to be met or exceeded on average once every 500 years. |
| 448.4 | This level is expected to be met or exceeded on average once every 200 years. |
| 447.9 | This level is expected to be met or exceeded on average once every 100 years. |
| 447.8 | Burlington Nrothern Railroad tracks and Levee at route 104 overtop |
| 447.4 | This level is expected to be met or exceeded on average once every 50 years. |
| 446.4 | This level is expected to be met or exceeded on average once every 25 years. |
| 446.0 | Scott County and Northern Meredoisa Levees are overtopped and flood fighting activities begin at Willow Creek Lake and Dam. Also this level is expected to be met or exceeded on average once every 20 years. |
| 445.0 | Flood fighting begins at Scott County... Coon Run... and Meredosia Lakes and Dams |
| 444.4 | Flood Fighting begins at Valley City Lake and Dam and floodwaters overtop Little Creek Levee |
| 444.0 | Damage begins to buildings in Meredosia |
| 443.7 | This level is expected to be met or exceeded on average once every 10 years. |
| 443.4 | Flood Fighting begins at Little Creek Lake and Dam |
| 442.2 | Damage begins to buildings in Montezuma |
| 441.8 | Damage begins to buildings and main access roads overtopped in Florence |
| 441.0 | Flood fighting activities begin at Big Swan Lake and Dam |
| 440.7 | This level is expected to be met or exceeded on average once every 5 years. |
| 440.4 | Meredosia Lake Road overtopped |
| 440.2 | Low roads in Florence overtopped |
| 440.0 | Cargill Company in Florence begins flood fighting activities |
| 438.0 | Main road in Valley City overtopped |
| 436.0 | City of Meredosia plugs storm sewer outlets. Also this level is expected to be met or exceeded on average once every 2 years. |
| 435.4 | Meredosia boat dock floods |
