The Water Resources (Control of Agricultural Pollution) (Wales) Regulations 2021 (CoAP Regulations) (on legislation.gov.uk) came into force on 1 April 2021 with a phased approach.
Daeth Rheoliadau Adnoddau Dŵr (Rheoli Llygredd Amaethyddol) (Cymru) 2021 (Rheoliadau CoAP) (ar legislation.gov.uk) i rym ar 1 Ebrill 2021, ac fe gawsant eu cyflwyno'n raddol.