In this title the following words have the meanings indicated. “Board of directors” means the board of directors of a watershed association. “Board of viewers” means a board of watershed viewers established under this title. “Designated officer” means: the clerk of the county commissioners for a code county or commission county if there is a clerk for the county; or an employee or official of the county who is designated by the legislative body to perform the responsibilities of the designated officer under this title. “Landowner” means a person who owns, or has contracted to purchase, land that would be affected by a watershed project being considered by a watershed association or proposed watershed association. “Watershed association” means a public watershed association established under this title.