![Rooney Brotheres Dam form Fisheries Foundation of CA](https://casalmon.org/wp-content/uploads/2019/11/Rooney-Brotheres-Dam-form-Fisheries-Foundation-of-CA.jpg)
Rooney Brothers Dam historically blocked passage for spawning Chinook and steelhead. In 2009 and 2010, the dam was modified and a series of rock weirs and resting pools between the weirs were constructed. Partners include the Fisheries Foundation of California, California Bay Delta Authority, California Department of Fish and Wildlife. © Fisheries Foundation of California