Moses Lake

Moses Lake stands out as the boomtown of Grant County. A period of exponential growth began in the 1940s as the result of water and air power. Moses Lake sits at the heart of the Columbia Basin Project, a monumental irrigation system controlled by Grand Coulee Dam supplying water to over half a million acres. Activation of the Moses Lake Army Air Base (later Larson Air Force Base) during World War II added to the population boom of more than 3,600 percent by 1960. Originally barriers to the...