Haw. Code R. § 10-4.1-3
As used in this chapter, unless plainly evident from the context that a different meaning is intended:
"Applicant" means any person who submits an application for water service or additional water service.
"Application" means a written request for water service or additional water service.
"Consumer" means the person, firm, corporation, association, or governmental entity, whether owner or tenant, whose name appears on the records of the department as the party responsible and liable for receiving water service from the department.
"Consumer's water system" means the pipes and plumbing extending from the water service connection.
"Cross-connection" means any actual or potential connection between the public water supply and a source of contamination or pollution.
"County" means the county where the department water service is located.
"Department of health" means the State of Hawaii department of health.
"Governmental entity" means any State of Hawaii or county department or office.
"Main" or "main pipe" means the department's supply or distribution pipe from which service connections are made.
"Non-potable water" means water that has not been certified by the department of health as suitable for cooking, drinking, and bathing purposes.
"Potable water" means water that has been certified by the department of health as suitable for cooking, drinking, and bathing purposes.
"Premises" means a parcel of real property and any structures thereon which have water service, will require water service, or requires additional water service.
"Public water system" means a water system which provides water for human consumption as provided by the department of health in title 11, Hawaii administrative rules chapter 20.
"Service lateral" means the main tap and complete installation of pipes, fittings, and appurtenances from the main to and including the meter.
"Water meter" or "meter" means a device that measures the volume of water delivered to any premises.
"Water service" means the delivery of water to any premises.
"Water spigot" means a water spigot or standpipe that is maintained by the department and connected to a public water system for lessee access to potable water.
"Water system" means a network of pipelines, main taps, storage, facilities, pumps, shut-off valve, and other appurtenances, wells, water filtration treatment facilities, or other sources which furnishes a supply of water to the premises.
Haw. Code R. § 10-4.1-3