The Authority may take such action as it considers appropriate (if any) for the purpose of preventing, or mitigating the effect of, the discharge of water from a coal mine into or on to any land or into the water environment.
In this section and sections 4E , 4F and 4G below—
"the water environment" has the meaning given by section 3 of the Water Environment and Water Services (Scotland) Act 2003 (asp 3); and
references to coal mines are to coal mines vested in the Authority.