The Washington Dam Construction and Water Diversion, Initiative 25
, was on the November 8, 1960 general election ballot
, where it was approved.
Sponsors filed signatures on January 2, 1959 to qualify it as an Initiative to the Legislature. When the legislature did not take action on the proposed legislation, as provided by the Washington State Constitution, the measure was placed on the ballot.
After enactment by the voters, the act was identified as Chapter 4, Laws of 1961.
| Initiative 25|
| Yes|| 526,130|| 52.1%|
Text on the Ballot
An Act Prohibiting the construction or operation of any dam or other obstruction over 25 feet high on any tributary stream of the Columbia River down stream from McNary Dam within the migration range of anadromous fish, except on the North Fork of the Lewis River and White Salmon River, and prohibiting diversion of water from such stream in such quantities as will reduce the flow below the annual average low flow without concurrent approval of the Directors of Fisheries and Game.