Sunday, May 17, 2026

Question: California’s State Water Project—the largest state-built water system in the United States—stretches how many total miles of aqueducts, pipelines, and tunnels to move water from Northern California south?

Answer: California’s State Water Project stretches more than 705 miles through a network of aqueducts, pipelines, and tunnels carrying water from Northern California to cities and farms farther south.