If they are, the environmental waters must be identified as “sensitive areas” in accordance with the Regulations, and nutrient reduction must be provided at relevant sewage plants.
Os felly, mae’n rhaid adnabod y dyfroedd amgylcheddol fel “ardaloedd sensitif” yn unol â’r Rheoliadau, ac mae’n rhaid gostwng maethynnau mewn safleoedd carthffosiaeth perthnasol.