MOST POPULAR: Video, stories and more
SIGN-UP: Get breaking news sent to you
They had been shut off until now to help protect endangered fish.
But now, most migrating fish have passed through and scientists believe it's safe to send irrigation water south again.
It's unclear at this point how long the pumps will get to stay on.
It's also not known exactly how much water drought-stricken farmers in the Central Valley will receive.
Today's latest headlines | ABC7 News on your phone
Follow us on Twitter | Fan us on Facebook | Get our free widget
