California Code, Water Code - WAT § 13575

(1) “* * * Customer” means a person or entity that purchases water from a retail water supplier.

(2) “Entity responsible for groundwater replenishment” means any person or entity authorized by statute or court order to manage a groundwater basin and acquire water for groundwater replenishment.

(3) “Recycled water” has the same meaning as defined in subdivision (n) of Section 13050.

(4) “Recycled water producer” means any local public entity that produces recycled water.

(5) “Recycled water wholesaler” means any local public entity that distributes recycled water to retail water suppliers and which has constructed, or is constructing, a recycled water distribution system.

(6) “Retail water supplier” means any local entity, including a public agency, city, county, or private water company, that provides retail water service.

(7) “Retailer” means the retail water supplier in whose service area is located the property to which a customer requests the delivery of recycled water service.