(May 1, 2018, 4:07 PM EDT) -- STOCKTON, Calif. — A California state court judge on April 30 affirmed her tentative ruling denying a petition for a writ of mandate to block the purchase of four Sacramento-San Joaquin River Delta islands by the Metropolitan Water District of Southern California (MWD) (San Joaquin, et al. v. Metropolitan Water District of Southern California, No STK-CV-UWM-2016-0003597, Calif. Super., San Joaquin Co.)....