San Diego implemented new water-use restrictions and urged residents to conserve as prolonged drought strained California supplies.
The rules focused attention on avoidable outdoor use, where irrigation schedules, leaks and runoff can produce large savings. Local supply investments did not exempt the region from statewide conservation requirements.
Restrictions are most effective when short-term compliance leads to durable habits and more efficient landscapes. The 2022 measures showed that water reliability still depends on managing demand as well as developing supply.