READ MORE: 'Chilling howl' in North Wales skies that's 'ruining holidays and damaging mental health' The results come in a year in which Welsh Water/Dwr Cymru and other UK water firms have been under fire for discharging sewage into rivers and the sea. The bathing water quality classifications are based on two microbiological parameters: intestinal enterococci and E.coli. Once a bathing water has been designated, the water quality is tested by Natural Resources Wales (NRW) during the bathing season, which runs from 15 May to 30 September.ĭesignated bathing waters are classified as excellent, good, sufficient or poor depending on water quality sampling results. Welsh Government has published the bathing water scores for 109 beaches and lakes around Wales.
