Residents in the San Diego Water District are currently tasked with slashing water use 28 percent under state-mandated rules, but this target could be lowered to 20 percent.

General Manager Bill O’Donnell at the district’s Feb. 17 board meeting said the state might lower the district’s target based on a credit for districts that have developed local water supplies since 2013 — in this case, the Carlsbad Desalination Plant that recently opened.