This Lake in California Has a Drain Nobody Can Open

In the middle of Lake Arrowhead, a small blue structure sticks up out of the water. Most people boat right past it. Below the surface, it's the top of a concrete tower about 195 feet tall, standing over a hand-dug tunnel that is the lake's only drain. In 2024, California's dam safety regulators ruled that drain non-operational. Right now, nobody can open it. In this video: how a group of Ohio investors tried to send the mountain's water south to San Bernardino's orange groves, the tunnel crews who dug through the ridge by hand in the 1890s, the 1913 court ruling that killed the plan, how a failed water scheme became a mountain resort, and why a century-old drain has turned into one of the biggest projects this community has ever faced. #LakeArrowhead #California #SanBernardinoMountains #HiddenHistory #CaliforniaHistory #Engineering #DamSafety #WaterRights #LostHistory #BuriedRecord