Links to Resources


The links below provide more information about desalination’s cost and energy demands, as well as water supply alternatives, and the proposed Huntington Beach project.

Stop Poseidon Mobilization Monday with Bill Powers
Energy expert Bill Powers explains the impacts of the Poseidon Huntington Beach Desalination Plant on our climate and power grid, and potential alternatives to reduce those impacts.

Stop Poseidon Mobilization Monday with Charles Lester

Orange County Coastkeeper chatted about California’s coast and ocean protection with guest speaker Charles Lester, who is the former Executive Director of the California Coastal Commission.

Environmental Justice

Letter to Governor and legislators about California Drought Budget Package
18 environmental and equity groups submit letter to Governor Newsom and legislators expressing concerns about desalination as an example of “climate maladaptation” as identified by the IPCC. August 26, 2021

Environmental Justice Analysis: Analyzing Southern California Supply Investments from a Human Right to Water Perspective
UCLA Luskin Center, April 2019

Letter to the Orange County Democratic Party Environmental Justice Subcommittee
Azul, SoCal 350, Oak View ComUNIDAD, Idle No More, Mujeres de la Tierra, Environmental Justice Coalition for Water,  Physicians for Social Responsibility—LA, Communities for a Better Environment, Pachamama Alliance—LA, Action Center on Race and the Economy, Center for Community Action and Environmental Justice, June 2020

Environmental and equity opposition letter 
Coalition of 24 nonprofit and community groups, April 2019

Environmental and Equity Group Opposition Letter (PDF)
27 Nonprofit and Community Organizations, July 2017

Environmental justice concerns on the Huntington Beach plant (PDF)
Eight Equity Leaders and Organizers, July 2017

True Cost of Desalination in Orange County
Orange County Coastkeeper

Project Analysis

Orange County Water Reliability Study
Municipal Water District of Orange County, March 2019

Summary of MWDOC Reliability Study
Orange County Coastkeeper, March 2019

Assessment of ISTAP reports
Michael Hanemann, June 2018

The Cost of Alternative Water Supply and Efficiency Options in California
Pacific Institute, October 2016

Groundwater Model Evaluation
HydroFocus, September 2016

Review of Water Demand Forecasts for OCWD 
James Fryer, July 2016

Marine and Coastal Impacts of Seawater Desalination in California
Stanford’s Water in the West program, May 2016

5 Things to Know About Desalination
Public Policy Institute of California, April 2016

Proceed with Caution: California’s Droughts and Desalination in Context
Natural Resources Defense Council, March 2016

Key Issues in Seawater Desalination in California: Energy and Greenhouse Gas Emissions (PDF)
Pacific Institute, May 2013

Key Issues for Seawater Desalination in California: Cost and Financing (PDF)
Pacific Institute, November 2012

Agency Review

Neutral Third Party Review of proposed Poseidon plant
State Water Board, September 2017

Staff presentation on Poseidon’s proposed desalination plant
California Fish & Game Commission, August 2017

California Fish & Game Deliberation on Poseidon’s proposed desalination plant
State Lands Commission, August 2017

Letter: Comments on Poseidon Resources’ proposed seawater desalination project at Huntington Beach
California Fish & Game Commission, August 2017

New Sources of California’s Water Supply (PDF) (recommends desalination as a last-resort supply option)
California State Assembly Select Committee on Water Consumption and Alternative Sources, March 2016

Final Staff Report including Final Substitute Environmental Documentation for California’s Desalination Policy (PDF) (concludes that screens proposed by Poseidon would reduce mortality of small fish and eggs by just 1%, see page 62)
California State Water Board, May 2015

Brookfield Infrastructure (parent company of Poseidon)
Public Comments & Testimony

Comments on OCWD Term Sheet for Proposed Poseidon Desalination Plant
Orange County Coastkeeper, June 2018

Public Comment: State Lands Commission Testimony on Poseidon Proposed Desalination Plant
California Coastal Protection Network, Natural Resources Defense Council, Heal the Bay, Oceana and Defenders of Wildlife, August 2017

Testimony on Poseidon proposal at State Lands Commission hearing
Surfrider Foundation, August 2017

Testimony on Poseidon proposal at State Lands Commission hearing
Azul, August 2017

Stanford CEQA Comments (PDF)
Stanford Environmental Law Clinic, July 2017