(1) Each application for permit to appropriate water shall set forth the name and post office address of the applicant, the source of water supply, the nature and amount of the proposed use, the time during which water will be required each year, the location and description of the proposed ditch, canal, or other work, the time within which the completion of the construction and the time for the complete application of the water to the proposed use.
(2) If for agricultural purposes, the application shall give the legal subdivision of the land and the acreage to be irrigated, as near as may be, and the amount of water expressed in acre feet to be supplied per season. If for power purposes, it shall give the nature of the works by means of which the power is to be developed, the head and amount of water to be utilized, and the uses to which the power is to be applied.
(3) If for construction of a reservoir, the application shall give the height of the dam, the capacity of the reservoir, and the uses to be made of the impounded waters.
(4) If for community or multiple domestic water supply, the application shall give the projected number of service connections sought to be served. However, for a municipal water supplier that has an approved water system plan under chapter
43.20 RCW or an approval from the department of health to serve a specified number of service connections, the service connection figure in the application or any subsequent water right document is not an attribute limiting exercise of the water right as long as the number of service connections to be served under the right is consistent with the approved water system plan or specified number.
(5) If for municipal water supply, the application shall give the present population to be served, and, as near as may be estimated, the future requirement of the municipality. However, for a municipal water supplier that has an approved water system plan under chapter
43.20 RCW or an approval from the department of health to serve a specified number of service connections, the population figures in the application or any subsequent water right document are not an attribute limiting exercise of the water right as long as the population to be provided water under the right is consistent with the approved water system plan or specified number.
(6) If for mining purposes, the application shall give the nature of the mines to be served and the method of supplying and utilizing the water; also their location by legal subdivisions.
(7) All applications shall be accompanied by such maps and drawings, in duplicate, and such other data, as may be required by the department, and such accompanying data shall be considered as a part of the application.