It is unethical to report misinformation from Trump without providing fact checking.

Does Los Angeles "have a valve, think of a sink but multiply it by many thousands of times the size of it, it's massive"?

NO. See below for CORRECT information. (1/2)

https://abc7.com/post/president-donald-trump-goes-off-rails-when-asked-california-wildfires-claims-officials-divert-water-oceans/15823953/