DFG suspended trout plants in the southern half of the state since July 1. The suspension is supposed to be effective for 180 days and selective for the state but it seems SoCal has been shut down. Perhapse things will change toward the end of the year.
On a side note, the natural trout population has exploded where you can find water in the Sequoias. Wet a line off the 190 and caught a bunch of rainbows and a golden, which I've never seen there before. All were less than 10", caught on Chunky Cheese, and released.