Va. Code § 10.1-546
Districts are authorized to develop comprehensive programs and plans for the conservation of soil resources, for the control and prevention of soil erosion, for flood prevention or for agricultural and nonagricultural phases of the conservation, development, utilization, and disposal of water within the district. Such programs and plans shall specify the acts, procedures, performances, and avoidances which are necessary or desirable to effect such programs and plans, including the specification of engineering operations, methods of cultivation, the growing of vegetation, cropping programs, tillage practices, and changes in use of land. After such programs and plans have been approved by the Board, districts are authorized to publish such programs and plans, and information, and bring them to the attention of occupiers of lands within the district.
Va. Code § 10.1-546