A wnaiff y Gweinidog ddarparu gwybodaeth am nifer y gollyngiadau na chaniateir o orlifo carthffosydd cyfun yng Nghymru yn ystod y 12 mis diwethaf; 2 flynedd ddiwethaf; a'r 5 mlynedd diwethaf?
Wedi'i ateb gan Y Gweinidog Newid Hinsawdd | Wedi'i ateb ar 28/07/2021
The information you requested is not held centrally. You may wish to contact the environmental regulator Natural Resources Wales, which is required to gather and manage detailed information on non-permitted discharges. NRW can be contacted at enquiries@naturalresourceswales.gov.uk