The Reduction and Prevention of Agricultural Diffuse Pollution (England) Regulations 2018. Comes into force 2nd April. These Regulations set out provisions to reduce and prevent the pollution of waters from diffuse agricultural sources. These Regulations implement, along with other existing measures, Article 11(3)(h) of Directive 2000/60/EC establishing a framework for Community action in the field of water policy which requires Member States to implement basic measures to prevent or control the input of pollutants from diffuse sources.