Any designated area within a county bordering the Columbia River and having a population of less than 21,000, according to the latest federal decennial census, or within two or more of such counties, may be incorporated as a weather modification district for the purpose of:
(1) Causing or attempting to cause by artificial means condensation or precipitation of rain, snow, hail, moisture or water in any form contained in the atmosphere; or
(2) Preventing or attempting to prevent by artificial means the natural condensation or precipitation of rain, snow, hail, moisture or water in any form contained in the atmosphere.