Catastrophic levee failure is a fact of life in the Delta.

The map shows the location of “scour ponds,” produced by the energy of the inrushing water after a levee failure. The ponds left behind are not filled, and become small riparian areas. These new riparian areas could be developed as part of the recreational space of the Delta.

Posted by John Bass on 05/23 at 12:51 AM • #


Scour pond, Webb Tract

Scour pond, Webb Tract

Scour pond on Webb Tract. There are dozens of scour ponds in the Delta, each marking the site of a levee breach.

Scour ponds

Scour ponds

Diagram locating the flood events that remain visible from aerial examination. In many cases, these events continue to mark the landscape in the form of “washout gardens.”


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