During Irene, up to of rain fell in some locations of the watershed over a 12-hour period. Streamflows on the creek met or surpassed the 100-year flood levels. On the upper Esopus, floodwaters filled the streets of Boiceville and Phoenica, destroyed homes in Mount Tremper, and washed out numerous roads and bridges in Oliverea. In the 2005 flood, to almost fell in some locations, including at the Slide Mountain station near Winnisook Lake. This along with that fell a few days before produced extensive flooding on the Esopus. The DEP recorded over of rainfall at Ashokan Reservoir. The Federal Emergency Management Agency studied 25 sites along the Esopus, and found that most sites were near the 50-year flood level. The peak level at Bushnellsville Creek in Shandaken surpassed 100-year levels.