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California Approves Desalination Project to Combat Water Shortage

Scenic view of the Monterey Peninsula with a desalination plant

Monterey Peninsula, August 16, 2025

News Summary

The California Public Utilities Commission has approved the Monterey Peninsula Water Supply Project to address a projected water supply deficit of 815 million gallons per year by 2050. This decision highlights the urgent need for drought-proof water resources in the Monterey Peninsula. Despite some opposition from local water agencies, the project aims to provide a sustainable water supply while reducing dependency on the over-extracted Carmel River. Construction is expected to begin by the end of 2025.

California Approves Desalination Project to Combat Water Shortage

The California Public Utilities Commission (CPUC) has approved the Monterey Peninsula Water Supply Project aimed at addressing a projected water supply deficit of approximately 815 million gallons per year by 2050. This decision emphasizes a pressing need for drought-proof water supply resources in the region.

Currently, the Monterey Peninsula is under restrictions that prevent the addition of new water connections due to mandates from the State Water Resource Control Board, which limits pumping from the Carmel River. In response, the desalination project is part of California American Water’s comprehensive strategy to secure sustainable water sources, alongside initiatives for aquifer storage and the expansion of the Pure Water Monterey facility.

Project Details

California American Water has plans to commence construction of the desalination plant by the end of 2025. The project was supported by three out of five CPUC commissioners, despite encountering opposition from several local water agencies and advocacy groups concerned about the potential implications of the project.

During the public comment session held prior to the decision, approximately 165 individuals spoke, with 28 opposing the project. Their concerns focused on the accuracy of data presented by California American Water regarding water demand. Ultimately, the CPUC reached a unanimous 4-0 decision after administrative law judges supported the demand estimates projecting a need of 13,732 acre-feet by 2050.

Community Needs and Concerns

Supporters of the desalination project argue that it is crucial for sustaining economic growth and enabling the development of affordable housing in the Monterey Peninsula. However, critics question the necessity of the project, advocating for alternative solutions, including surplus water expected to become available once current cease-and-desist orders are lifted.

The Monterey Peninsula has historically relied on the Carmel River for most of its water supply. However, over-extraction has led to significant environmental impacts, prompting regulatory measures to govern water use. In light of these challenges, the desalination project is seen by some as a necessary step to ensure long-term water security in the region.

Regulatory and Legal Framework

Environmental reviews and public commentary on the desalination project have extended over six years, with numerous stages of consideration by regulatory bodies. Recently, the Monterey County Superior Court upheld the California Coastal Commission’s approval of necessary coastal development permits, marking a significant milestone in the project’s progress.

Implications for the Future

The decision by the CPUC signals a critical moment for the Monterey Peninsula, where the demand for reliable water supply continues to grow amid changing climate patterns and ongoing drought conditions. The desalination project is positioned to complement existing water resources and reduce dependency on inconsistent rainfall as a water source.

Frequently Asked Questions

What is the Monterey Peninsula Water Supply Project?

What is the significance of the desalination project?
The project aims to address a water supply deficit projected to reach 815 million gallons per year by 2050 and is a critical response to ongoing drought conditions.

When is the desalination plant expected to be built?
Construction on the desalination plant is expected to begin by the end of 2025.

What opposition has the desalination project faced?
Local water agencies and advocacy groups have expressed concerns over data accuracy and the necessity of the project, with a portion of the public voicing opposition.

How has the Monterey Peninsula historically sourced its water?
The region has primarily relied on the Carmel River for its water supply, but over-pumping has led to environmental concerns and regulatory restrictions.

Key Features of the Monterey Peninsula Water Supply Project:

Feature Details
Water Supply Deficit Project addresses an expected deficit of 815 million gallons per year by 2050
Construction Timeline Groundbreaking expected by end of 2025
Community Input 165 public comments received, with a significant number opposing
Regulatory Approval Supported by the CPUC and upheld by the Monterey County Superior Court
Environmental Concerns Project aims to mitigate dependency on the Carmel River

Deeper Dive: News & Info About This Topic

STAFF HERE HUNTINGTON BEACH
Author: STAFF HERE HUNTINGTON BEACH

The Huntington Beach Staff Writer represents the experienced team at HEREHuntingtonBeach.com, your go-to source for actionable local news and information in Huntington Beach, Orange County, and beyond. Specializing in "news you can use," we cover essential topics like product reviews for personal and business needs, local business directories, politics, real estate trends, neighborhood insights, and state news affecting the area—with deep expertise drawn from years of dedicated reporting and strong community input, including local press releases and business updates. We deliver top reporting on high-value events such as the Huntington Beach Surf City USA Marathon, the U.S. Open of Surfing, Fourth of July celebrations at the Huntington Beach Pier, and community festivals at Huntington Beach Central Park. Our coverage extends to key organizations like the Huntington Beach Chamber of Commerce and Visit Huntington Beach, plus leading businesses in retail, hospitality, and outdoor recreation that drive the local economy. As part of the broader HERE network, including HEREAnaheim.com, HERECostaMesa.com, HERESantaAna.com, and HERELosAngeles.com, we provide comprehensive, credible insights into Southern California's dynamic landscape.

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