GOV §11011.29: (a) When a state agency builds upon state-owned real property, purchases real property, or replaces landscaping or irrigation, the state agency shall reduce water consumption and increase water effici

(a) When a state agency builds upon state-owned real property, purchases real property, or replaces landscaping or irrigation, the state agency shall reduce water consumption and increase water efficiencies for that property, where feasible, through any or all of the following measures: (1) Replacement of landscaping with drought-tolerant plants with an emphasis on native plant species. (2) Replacement of irrigation timers to permit efficient watering schedules. (3) Replacement of existing irrigation with drip irrigation, bubblers, or low precipitation spray nozzles, or a combination of these irrigation methods. (4) Implementation of recycled water irrigation or rainwater capture irrigation or both. (5) Installation of irrigation submeters. (6) Use of on-site water recycling. (b) This section shall not apply to state-owned real property that is leased to a private party for agricultural purposes. (c) For purposes of this section, “feasible” means that the water efficiency measures may be accomplished in a cost-effective manner within a reasonable period of time, taking into account life-cycle cost analyses and technological factors, as determined by the state agency.