The director of health may adopt rules under chapter 91 as necessary to implement the certification requirements under this section.
"Aerobic treatment unit system" means an individual wastewater system that consists of an aerobic treatment unit tank, aeration device, piping, and a discharge method that is in accordance with rules adopted by the department of health relating to household aerobic units.
"Cesspool" means an individual wastewater system consisting of an excavation in the ground whose depth is greater than its widest surface dimension, which receives untreated wastewater, and retains or is designed to retain the organic matter and solids discharged into it, but permits the liquid to seep through its bottom or sides to gain access to the underground geographic formation.
"Qualified cesspool" means a cesspool that is:
"Qualified expenses" means costs that are necessary and directly incurred by the taxpayer for upgrading or converting a qualified cesspool into a septic system or an aerobic treatment unit system, or connecting a qualified cesspool to a sewer system, and that are certified as such by the appropriate government agency.
"Residential large capacity cesspool" means a cesspool that is connected to more than one residential dwelling.
"Septic system" means an individual wastewater system that typically consists of a septic tank, piping, and a drainage field where there is natural biological decontamination as wastewater discharged into the system is filtered through soil.
"Sewer system" means a system of piping, with appurtenances, for collecting and conveying wastewater from source to discharge following treatment.
"Wastewater" means any liquid waste, whether or not treated and whether animal, mineral, or vegetable, including agricultural, industrial, and thermal wastes."
HRS § 235-16.5