For purposes of this chapter, the following terms have the following meanings:
(a) “Department” means the State Department of Public Health.
(b) “Direct potable reuse” means the planned introduction of recycled water either directly into a public water system, as defined in Section 116275 of the Health and Safety Code, or into a raw water supply immediately upstream of a water treatment plant.
(c) “Indirect potable reuse for groundwater recharge” means the planned use of recycled water for replenishment of a groundwater basin or an aquifer that has been designated as a source of water supply for a public water system, as defined in Section 116275 of the Health and Safety Code.
(d) “Surface water augmentation” means the planned placement of recycled water into a surface water reservoir used as a source of domestic drinking water supply.
(e) “Uniform water recycling criteria” has the same meaning as in Section 13521.