A water resource board shall have the right, power, and authority to enter into contracts or other arrangements for water conservation, water supply, flood control, or other authorized projects with the United States government or any department thereof, with the Canadian government or any department thereof or any of its provinces or municipalities, with persons, railroads, other corporations, or limited liability companies, with public corporations, and state governments of this or other states, with drainage, water resource, conservation, conservancy, or improvement districts, or other such districts in this or other states. Such contracts or arrangements can provide for cooperation or assistance in planning, constructing, maintaining, and operating such projects and in making investigations and reports thereon, and for the carrying out of any other provision of this chapter. A water resource board may purchase, lease, or acquire land or other property in adjoining states or provinces to secure outlets to construct and maintain dikes or dams, or for other purposes authorized by this chapter and may let contracts or spend money for securing such outlets or works in adjoining states or provinces. No water resource board of any district shall have the right, power, or authority to connect boundary waters having different natural outlets by artificial means so that the waters of one may be discharged into the other.