Water Schedule 4, paragraph 3 - Provision or operation of a fixed network to provide a service to the public in connection with the production, transport or distribution of drinking water.
Dŵr Atodlen 4, paragraff 3 – Darparu neu weithredu rhwydwaith sefydlog ar gyfer darparu gwasanaeth i'r cyhoedd mewn cysylltiad â chynhyrchu, cludo neu ddosbarthu dŵr yfed.