Morganza Spillway to add height to the permanent levee by building a supplemental sandbag levee on top of it. However, additional rainfall raised the flood crest higher than even the supplemental sandbags, sending floodwaters over these levees into of cropland located within the floodway. The 2011 Mississippi River floods began to become serious in April. In response, the Corps first analyzed the flooding, and then opened the spillway in a controlled manner. The Corps studied four flooding scenarios, all of which assumed the Bonnet Carré Spillway would be concurrently operating at full capacity (100%). Following this analysis, which showed that extensive flooding
Pequannoc Spillway that the dam should be removed as it is a protected part of the Morris Canal listed in both the New Jersey Register of Historic Places and the U.S. National Register of Historic Places. Pequannoc Spillway The Pequannoc Spillway is a run-of-the-river spillway constructed in the 1920s as part of the Morris Canal system in the Pompton Plains section of Pequannock, New Jersey on one bank of the river and Wayne, New Jersey on the other bank. The spillway creates usable waterfront land out of swamps and provides water retention by creating a backwater on the Ramapo River. The structure