For purposes of this subsection:
"Injection well" means a bored, drilled, or driven shaft, or a dug hole, whose depth is greater than its widest surface dimension and into which subsurface disposal of fluid or fluids occurs or is meant to occur by means of injection.
"Sewage wastewater" means any liquid wastewater that includes sewage from humans or household operations, regardless of whether the wastewater has been treated or whether the wastewater pollutes or tends to pollute state waters.
HRS § 340E-2