This shows the flooding that could occur if levees in the Army Corps of Engineers’ Lower San Joaquin River plan are not upgraded. The levees most at risk of failing are in North Stockton.

No Action Flood Risk Source: ACE, Feasibility Study, p. 232
The map below shows the levees, and whether they are project levees (federal and State Plan of Flood Control), or non-project.
Lower San Joaquin River levees Source: SJAFCA
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