| Flood Impacts |
| 20.0 | Widespread flooding in Pinal County. |
| 19.0 | Pinal Airpark begins to be impacted by flood waters. |
| 18.0 | East Chui Chu and Chui Chu endangered. |
| 17.0 | Avra Valley Road Bridge likely to overtop as with July 31, 2006 flood event which crested at about this stage. Water reaches bottom of Trico Road bridge. |
| 16.0 | Water has historically encroached on dike structures near East Chui Chu. Berry Estates in Marana threatened. Avra Valley Road bridge threatened with overtopping. Approaches to Trico Road bridge flooded. |
| 14.0 | Overbank flow begins on Trico Road just south of bridge. A significant in-channel rise can be expected downstream in the Chui Chu area, Pinal County. |
