Mae llawer o domeni mewn perchnogaeth breifat, a bydd angen archwilio rhai ohonynt fel rhan o raglen y gaeaf. Mae awdurdodau lleol wedi cael y dasg o sicrhau bod unrhyw waith angenrheidiol a nodwyd o'r arolygiadau yn cael ei wneud, gan weithio gyda'r Awdurdod Glo ac unrhyw berchnogion preifat i ddiogelu uniondeb strwythurol y tomenni yn eu hardaloedd.
There are many tips in private ownership, some of which will require inspecting as part of the winter programme. Local authorities have been tasked with leading on the delivery of any necessary works identified from the inspections, working with the Coal Authority and any private owners to safeguard the structural integrity of the tips within their areas.