Idaho Code § 42-1740

All revenue bonds authorized under the terms of this act may be issued and sold from time to time and in such amounts as are deemed necessary to provide sufficient funds for carrying out all its powers and, without limiting the generality thereof, shall include the following: acquisition of water rights, rehabilitation and repair of existing irrigation projects and irrigation facilities, and construction, maintenance, repair and operation of water projects, engineering and other costs for investigation and promotion of water projects, fiscal and legal expenses, cost of issuance of bonds including printing and advertising expenses, the establishment of bond reserves, and payment of interest on bonds.