Beth yw cyfanswm y dirwyon sydd wedi'u rhoi yng Nghymru o ganlyniad i ddigwyddiadau llygredd dŵr ers 2021?
Wedi'i ateb gan Y Dirprwy Brif Weinidog ac Ysgrifennydd y Cabinet dros Newid Hinsawdd a Materion Gwledig | Wedi'i ateb ar 29/05/2025
Fines totalling £2.623 million have been issued in Wales as a result of water pollution incidents since 2021. This includes incident response, frontline compliance and auditing of self-monitoring activities.