(1) "Erosion" means the wearing away of the ground surface by the action of wind, water, gravity, or any combination thereof.

(2) "Sediment" means soil or other earth-like material that has been moved by the forces of water, wind, gravity, or any combination of them.

(3) "Sedimentation" means the process or action of depositing sediment.

(4) "Land disturbing activity" means any land change which may result in excessive erosion and sedimentation.

(5) "Stormwater" means the direct runoff of water and associated material resulting from precipitation in any form.

(6) "Local government" means any county or municipality.

(7) "Soil and water conservation district" or "conservation district" means a governmental subdivision of the State created pursuant to Chapter 9 of Title 48; and "conservation district board" means the governing body of a soil and water conservation district.

(8) "Department" means the South Carolina Department of Health and Environmental Control.

(9) "Privately owned land" means all land not owned by the State, a state agency, quasi-state agency, subdivision of the State, or a federal governmental agency.

(10) "Quasi-state agency" means any entity other than a state agency but having some attributes of a state agency by virtue of the fact that the State has some authority to make rules and regulations by which it is governed. For the purpose of this chapter, the South Carolina Public Service Authority is a quasi-state agency; county and municipal governments and special purpose districts are not quasi-state agencies.

(11) "Board" means the board of the department.