The river level is determined by the air space under the Ponca low water bridge. If the water is over the bridge, the river is closed. If the air space is greater than 32", you will probably have to do some walking.
| Date | Space |
| 7/20/2008 | 35" |
| 7/15/2008 | 24" |
| 7/13/2008 | 17" |
| 7/12/2008 | 24" |
| 7/6/2008 | 16" |
| 7/5/2008 | 27" |
| 7/4/2008 | 25+ |