Er i bandemig y COVID-19 ohirio dechrau’r tymor ymdrochi yng Nghymru, sicrhaodd CNC bod samplau’n cael eu codi ym mhob un o’r 105 o safleoedd ymdrochi o fis Mehefin.
While the COVID-19 pandemic saw the start of the bathing water season delayed in Wales, NRW worked to ensure sampling took place at all 105 bathing sites from June.