Technically called the Morning Glory spillway, the drainage pipe has been used only 25 times in its nearly 70-year history, according to the Solano County Water Agency, which utilizes water from ...

The unique spillway at California's Lake Berryessa ... The hole at Lake Berryessa is a unique drainage feature for that reservoir. It measures 72 feet at the top and then narrows to 30 feet.

The hole at Lake Berryessa is a unique drainage feature that is the overflow valve for that reservoir. The unique spillway at California's Lake Berryessa was activated this week for the first time ...