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Walters: Westlands, Environmental Group Align in Water Rights Fight



Photo of a Westlands Water District sign
The Westlands Water District endorsed a controversial state order curtailing farm diversions of river water. (GV Wire File)
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California doesn’t have enough water to meet all demands even in wet years, and when drought strikes the competition becomes, to put it mildly, intense.

State and federal officials who must ration the restricted supply are beset with pleas from farmers, municipal water systems and advocates for the environment.

However, water managers must also contend with a bewildering array of water rights, some of which date to the 19th century, as well as long-standing contractual obligations and laws, both statutes and judicial decrees, on maintaining flows for spawning salmon and other wildlife.

Water Diversions From Sacramento-San Joaquin Delta Halted

Dan Walters


Those conflicting factors came into play last week when the state Water Resources Control Board voted unanimously to curtail nearly all agricultural water diversions from the Sacramento-San Joaquin Delta watershed, which stretches about 500 miles from near the Oregon border to near the Tehachapi Mountains.

The decree will affect farmers, who use most of the water allocated for human use, but not immediately. The season for irrigating crops is nearly over and water managers delivered a fairly substantial share of agricultural water earlier in the year — too much in the eyes of environmental groups.

However, if drought and the board’s no-diversion policy continue into 2022, they will almost certainly ignite a high-stakes political and legal conflict over whether the state can essentially usurp historic water rights and dictate how local farm water systems are to be operated.

Valerie Kincaid, a water law attorney who represents the San Joaquin Tributaries Authority, bluntly told the board, “We now have a draft regulation that exceeds water board authority,” hinting that a legal battle over water rights is looming.

Status of Pre-1914 Water Rights Being Questioned

The state first began regulating water in 1914 and holders of pre-existing water rights, plus landowners adjacent to waterways, have long been presumed to have virtually unfettered rights to draw water without regulation.

However, in more recent years, the legal status of those pre-1914 rights has been questioned. As drought gripped the state during his first stint as governor 40-plus years ago, Jerry Brown appointed a commission to review water rights, saying, “the existing law included impediments to the fullest beneficial use of California’s water.”

Nothing came of that effort but when another drought hit during Brown’s second governorship, his water board appointees attempted to breach senior water rights by punishing a small water district near Tracy for ignoring a curtailment order.

“We are a test case,” the Byron-Bethany district’s manager, Rick Gilmore, said at the time. “I think this has become a larger issue. I think the water board wants to use this as a precedent so they can start to gain more control over senior water right users.”

Water Rights Battle

The conflict fizzled before it could morph into an all-out legal battle but other senior rights holders did win a legal ruling that the state was issuing its curtailment decrees without due process.

Environmental groups and some agricultural interests that lack water rights, such as the immense Westlands Water District, seem to be spoiling for a water rights battle.

Westlands endorsed last week’s board action, referring to deliveries to senior rights holders as “unlawful diversions” of water needed to maintain water quality. Westlands thus became a strange bedfellows ally of the Natural Resources Defense Council, which complains that the federal Central Valley Project gave farmers with senior rights too much Lake Shasta water in the spring, leaving too little to support salmon spawning runs.

As drought becomes more frequent, California will — or should be — compelled to re-think its entire water system and the status of water rights will be a central and very volatile factor.

CalMatters is a public interest journalism venture committed to explaining how California’s state Capitol works and why it matters. For more stories by Dan Walters, go to

Dan Walters has been a journalist for nearly 60 years, spending all but a few of those years working for California newspapers. He has written more than 9,000 columns about the state and its politics and is the founding editor of the “California Political Almanac.” Dan has also been a frequent guest on national television news shows, commenting on California issues and policies.

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