In this subchapter:
(1) "Aquifer recharge project" means a project involving the intentional recharge of an aquifer by means of an injection well authorized under this chapter or other means of infiltration, including actions designed to:
(A) reduce declines in the water level of the aquifer;
(B) supplement the quantity of groundwater available;
(C) improve water quality in an aquifer;
(D) improve spring flows and other interactions between groundwater and surface water; or
(E) mitigate subsidence.
(1-a) "Fluid oil and gas waste" has the meaning assigned by Section 122.001, Natural Resources Code.
(2) "Native groundwater" means the groundwater naturally occurring in a geologic formation.
(3) "Project operator" means a person holding an authorization under this subchapter to undertake an aquifer recharge project.
(4) "Recharge injection well" means a Class V injection well used for the injection of water into a geologic formation for an aquifer recharge project, including an improved sinkhole or cave connected to an aquifer.