OPINION: California Dam Raise Would Take More Delta Water. Why Are Environmentalists Silent?

Fresno drivers headed to the Bay Area via Pacheco Pass on Highway 152 can’t help but take note of a sprawling inland sea that seemingly appears out of nowhere among the yellowed, oak-dotted foothills.

This is San Luis Reservoir, essentially a 2 million acre-foot holding tank built to irrigate San Joaquin Valley farms and supply drinking water to Silicon Valley. Its construction was considered such a significant addition to California’s water supply that President John F. Kennedy turned out in 1962 to push the dynamite plunger.