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For more than 50 years, IRWD has made water supply reliability a top priority through the implementation of water efficient practices and programs and the development of cost effective alternative water supply resources.

In Orange County, locally desalinated water from brackish and ocean water sources continue to be evaluated as potential alternative water supplies. The desalination process converts water with high salts and mineral concentrations into drinking water or water for irrigation purposes. Water agencies that benefit from these potential regional desalination projects would be responsible for project funding.

Poseidon’s offer to Orange County: Water at twice the price for no benefit

Printable Fact Sheet

A Canadian company called Poseidon Water is pushing to build an ocean desalination plant on Orange County’s coastline in Huntington Beach. While the project would be great for Poseidon, which would receive all the benefits, it would leave Orange County residents with costlier water and higher water rates. North and Central Orange County residents would have to foot the $1.4 billion bill for the project over the next 30 years if the Orange County Water District decides to buy Poseidon’s water. Orange County residents would need to see a tangible benefit to to warrant this increased price tag, so is Poseidon’s Huntington Beach Desalination Plant worth it? Let’s take a look.

Does the project provide more water for Orange County? NO

The Huntington Beach Desal Project simply trades our existing water supply for water purchased from Poseidon. Despite the high price tag, the project would not provide any additional water for Orange County.

Does the project solve a water problem for Orange County? NO

Even as our state contends with recurring drought, our region sits on top of a vast, responsibly managed groundwater basin and receives additional imported supplies to augment our local water sources. We already have a diverse and reliable water supply and are not at risk of running out of water. We should continue to make investments in reliable water supplies, but there are more cost-effective options that we have yet to explore.

Is Poseidon’s water cheaper than our current supply? NO

Compared to existing water supplies, Poseidon’s desalinated water would:

Cost twice the price
Add $1 billion to North and Central O.C. water bills over the next 30 years
Disproportionately harm O.C.’s lower-income and disadvantaged residents

Buying desalinated water at 2x the price is not acceptable when there is a range of cheaper alternatives such as recycling, groundwater banking and imported water.

Will Poseidon make Orange County more water independent? NO

Current water supply: Purchased from a public agency with voter oversight and approval mechanisms to justify rate increases
Poseidon’s Water: Purchased from a private Canadian company beholden to shareholders first

What opponents are saying

Opponents have spoken out against the Huntington Beach Desal Project from every corner of the state, including the Coastal Commission staff, who urged their commissioners to reject the project in a blistering 200-page report issued April 25.

“A 2018 study by a local water agency found that Poseidon’s project would provide lower reliability at higher costs than about six other potential local or regional water supply projects.” Coastal Commission Staff Report

“…the water rate hike would disproportionately impact millions of low-income residents throughout OCWD’s service area, the majority of which are people of color.” Coastal Commission Staff Report

“We conclude that the Poseidon agreement will likely make drinking water for disadvantaged households in Orange County moderately to severely less affordable.” UCLA

“It would seriously damage the marine coastal environment, produce the costliest water of any source available and raise water bills for residents and businesses.” LA Times

Poseidon is the wrong project for Orange County residents

In California, we are used to making billion-dollar investments when there is a tangible benefit or upgrade. But when it comes to the Huntington Beach Desal Project, there is no benefit, and we are not upgrading. We would simply be swapping our existing water supply out for one that is lower quality and twice as expensive. You wouldn’t give up your dependable car to buy a beater for twice the price, so why are we being asked to do that with our water? Perhaps one day when desalination technology is more developed and less expensive it would be an option worth exploring, but for now the verdict is clear: Poseidon’s desalination plant is the wrong project for Orange County residents.

Policy Paper on Desalination Projects

In March of 2022, the Irvine Ranch Water District Board of Directors adopted an updated policy reaffirming their support of regional desalination projects when the costs for treatment and distribution are competitive with existing reliable water supplies, but opposing desalination projects that do not allow retail agencies — such as IRWD — to opt out. Please click here to read the full policy.

Letter to California Coastal Commission

Why IRWD opposes Poseidon's proposed seawater desalination project in Hungtington Beach - May 4, 2022: view

OCWD Documents

Term Sheet Water Reliability Agreement for Huntington Beach Seawater Desalination Project Between Orange County Water District and Poseidon Resources - May 2015: view

Attachment A to Term Sheet Water Reliablity Agreement for Huntington Beach Seawater Desalination Project Between Orange County Water District and Poseidon Resources - May 2015: view

Trussell Technologies Technical Memorandum titled "Review of Proposed Water Quality Requirements for the Huntington Beach Desalter" that was prepared for OCWD that includes the Metropolitan Water District of Southern California report that was prepared by ARCADIS titled "Assessment of Existing Seawater Desalination Integration Practices, March 2012": view

Minutes, meeting agenda, OCWD staff report, presentation and IRWD letter from OCWD's July 6 2016 Board Meeting where the Board Approved Moving Forward with Option 6 which includes Recharging Desalinated Seawater: view

We welcome you to Irvine Ranch Water District's (IRWD) social media channels. The purpose of those social media pages is to present matters of public interest, including water-related news, conservation information, and events.

IRWD’s social media sites is not to be used for political purposes or as an avenue to advertise public meetings or solicit public comments for meetings. We encourage you to submit your comments but please note this is a moderated online discussion site and not a public forum. We expect conversations to follow the conventions of polite discourse.

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We also encourage you to use the "report comment" link to the right of each comment if you believe a comment violates the social media sites' terms of service.

We don’t edit comments to remove objectionable content, so please ensure that your comments contain none of the above or they will be deleted in entirety.

Reporters are asked to send questions to IRWD’s Public Affairs Department through the normal channels and to refrain from submitting questions here as comments.

IRWD’s social media pages are offered to facilitate the sharing of information on water-related news.

IRWD DOES NOT endorse or promote any information posted to those social media sites, and specifically DOES NOT endorse, promote or attest to the validity or effectiveness of any commercial postings or third party advertisements on this site. If discovered by IRWD, IRWD will remove any posting that it finds to be inappropriate to the purpose of this site other than third party advertisements.

PLEASE NOTE: When on social media sites, you are no longer on an official IRWD website therefore you must abide by the social media sites' privacy policy and terms of use.

2020

Recycled Water Campaign Receives Top Honors in California

Public education about the quality and benefits of recycled water is an important part of a sustainable water supply in California. IRWD’s Recycled Water 101 Campaign was honored to be recognized by WateReuse California with the organization’s 2020 Outreach and Public Education Award. The campaign featured a fun and informative video, public outreach materials in English, Chinese, Korean, Spanish and Farsi, and articles and social media posts showcasing the many benefits recycled water brings to our communities.

American Membrane Technology Association Operations Supervisor of the Year

He was best in the Southwest in 2019. In 2020, he was named best in the nation. IRWD Operations Supervisor received these honors form the Southwest Membrane Operator in recognition of his many contributions to the field, as demonstrated through his work at IRWD. Paulson passed the accolades on to his team. “They’re the reason this department looks good,” he said. “Without them, we wouldn’t be successful.”

2020:

WateReuse California, Outreach and Public Education Award, Recycled Water 101 Campaign
Santa Ana River Basin Section of the California Water Employees Association, Electrical and Instrumentation Control Person of the Year (Senior Instrumentation Technician Alex Garcia)
Santa Ana River Basin Section of the California Water Employees Association, Collection System Person of the Year (Jose Silva)
Santa Ana River Basin Section of the California Water Employees Association, Spotlight Award Winner (Nang Mwe, Professional Development Committee)
American Membrane Technology Association, Operator of the Year (Water Operations Supervisor Dave Paulson)

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