357.7  Water source without district.
  When in any proposed benefited water district, it is anticipated that the source of supply will be without the district, and not under its control, the board of supervisors shall instruct the engineer who is appointed to make the preliminary design and dummy assessment, to also obtain from the corporation or municipality which controls the proposed source of supply, a statement in writing, outlining the terms upon which water will be furnished to the district, or to the individuals within the district and on what terms in either case.
  This preliminary proposal from the governing body of the source of supply shall be binding, and shall be in the nature of an option to purchase water by the district, or the individual within the same, if and when the proposed benefited water district shall have completed its construction, and is ready to use water. This proposal shall accompany and be a part of the engineer’s preliminary report to the board of supervisors.
[C39, §5526.07; C46, 50, 54, 58, 62, 66, 71, 73, 75, 77, 79, 81, §357.7]