A wnaiff y Gweinidog ddarparu dadansoddiad llawn yn ôl ardal cyngor o'r cynnydd cyfartalog mewn biliau dŵr a charthion ac amlinellu'r cynnydd cyfartalog ledled Cymru dros y 24 mis diwethaf?
Wedi'i ateb gan Y Gweinidog Newid Hinsawdd | Wedi'i ateb ar 15/03/2024
The Welsh Government does not hold information regarding the average water and sewage bills by council area.
The information you have requested is already publicly available and published by Water UK and available at https://www.discoverwater.co.uk/annual-bill.