Their land is sinking. But Tulare Lake farm barons defy calls to cut groundwater pumping
CORCORAN, Calif. — Earlier this year, as floodwaters rushed toward the San Joaquin Valley city of Corcoran — home to roughly 20,000 people and a sprawling maximum-security state prison — emergency workers and desperate local officials begged the state for help raising their levee. Corcoran had been sinking, steadily, for years because of persistent overpumping of groundwater by major landowners in the Tulare Lake Basin that has sent the valley floor into a slow-motion collapse. And the levee raises made in 2017 — a…