Ymhellach at WQ87045, a wnaiff y Gweinidog egluro pa gamau y bydd hi'n eu cymryd i gyfrifo faint o adeiladau hanesyddol yng Nghymru sydd dan fygythiad oherwydd llifogydd?
Wedi'i ateb gan Dirprwy Weinidog y Celfyddydau a Chwaraeon, a’r Prif Chwip | Wedi'i ateb ar 23/01/2023
Data already available to us shows that 3,655 listed buildings are located in Flood Zone 3. Around 1,000 of these are bridges. All buildings in this zone are at some risk of flooding, but individual flood risk assessments would be needed to establish the level of risk in particular cases.