Article X, Section 2 of the California Constitution specifies that the right to use water is limited to the amount reasonably required for the beneficial use to be served and the right does not and shall not extend to waste or unreasonable method of use. This policy protects local water supplies through the implementation of a whole systems approach to design, construction, installation, and maintenance of the landscape resulting in water conserving climate-appropriate landscapes improved water quality and the minimization of natural resource inputs.