Farmers in central California are drilling more and deeper wells than ever before to pump water for their fruit orchards and sprawling fields following government imposed limits on surface water. Two years after Gov. Jerry Brown signed a bill designed to limit groundwater pumping, new wells are going in faster and deeper than ever, according to an analysis by the Sacramento Bee published Sunday. Farmers dug about 2,500 wells in the San Joaquin Valley last year alone, the highest number on record.