the plan is carried out by the national water committee under the authority of the minister for environment policies to reduce the impact on water resources of agricultural contamination are also carried out in collaboration with agencies dependent on the ministry of environment onema water agencies deconcentrated services of the ministry of environment etc in addition the new start for fresh water policy is jointly led by the ministry for the environment and the ministry of agriculture and forestry which enables these two departments to coordinate the interface between water and agricultural policies at the central government level