During 2021-22, billing authorities collected £43 million of arrears and wrote off £5 million as uncollectable.
Yn ystod 2021-22, casglwyd £43 miliwn o ôl-ddyledion o ran blynyddoedd blaenorol gan awdurdodau bilio, a chafodd gwerth £5 miliwn eu dileu fel dyledion drwg.