Where the NRBW carries out any works for or in connection with the construction or operation of a reservoir in Wales which—
permanently affect one or more communities; and
are not primarily intended by the NRBW to benefit the inhabitants of that or those communities,
it shall be the duty of the NRBW to make available facilities for recreation or other leisure-time occupation for the benefit of those inhabitants or to assist others to make such facilities available.
It shall be the duty of the NRBW, in performing its duty under subsection (1) above, to consult—
the community councils of the communities affected, in the case of communities having such councils; and
in any case, the council of any county or county borough in which any community affected is situated.