The board of directors of the watershed association shall develop a work plan for the watershed or subwatershed area. The watershed work plan may include: watershed protection; flood prevention; recreation; soil conservation; drainage; and the conservation, development, storage, use, and disposal of water for any beneficial purpose. In developing the watershed work plan, the board of directors: shall engage the services of private engineers; or may use the services of planners and engineers of local, State, and federal units of government. A member or an agent of the board of directors: may enter the land to make surveys and examinations for developing a watershed work plan; and is liable for actual damage done to any land entered during a survey or examination.