1 to 2 points (1 to 3 CS, 1 Healthcare); applies to all eight BD+C adaptations. Need no permanent irrigation after establishment, or reduce the landscape water requirement by 50% or more (points at 50% and 100%, and 75% for Core and Shell), the first 30% from plants and irrigation efficiency and the rest from any mix of efficiency, alternative water and smart scheduling.
The graph holds this control, the 0 it maps to, and the evidence behind each claim, over MCP and REST.