RELATING TO WATER USE.

Authorizes the Commission on Water Resource Management, as a condition for issuing permits, to require the use of dual line water supply systems in new residential and mixed-use developments located in designated water management areas. Authorizes those residential and mixed-use developments to be included in irrigation projects, as defined in chapter 167, HRS. Authorizes the Board of Agriculture to investigate and survey the availability of nonpotable water. Requires the Department of Health, Board of Agriculture, and the counties to update their rules, ordinances, to allow dual line water supply systems in residential and mixed-use developments.