California Public Utilities Commission Updates Regulatory Framework for Water Replenishment Project

Strategic Insights -

The California Public Utilities Commission has updated its regulatory framework for the Pure Water Monterey Groundwater Replenishment Project, a critical initiative to ensure a sustainable water supply for the Monterey Peninsula. The update, dated July 31, 2025, includes the Amended and Restated Water Purchase Agreement, updated supply and demand estimates, and cost recovery measures. The regulatory update is a significant step forward in addressing the complex issues surrounding water management in the region.

Key Takeaways:

  • The Pure Water Monterey Groundwater Replenishment Project aims to increase the region's water supply by 30% through a comprehensive approach that includes water recycling, desalination, and groundwater replenishment.
  • The updated regulatory framework ensures a stable supply of water for the Monterey Peninsula, supporting the local economy and community growth.
  • The Amended and Restated Water Purchase Agreement outlines the terms and conditions for the sale of recycled water to the Monterey Peninsula Water Management District.
  • The updated supply and demand estimates indicate a 10% increase in water demand on the Monterey Peninsula, necessitating the development of additional water sources.
  • The cost recovery measures ensure that the financial burden of water supply development is shared equitably among stakeholders, including water sellers and buyers.
  • The regulatory update is a collaborative effort between the California Public Utilities Commission, California-American Water Company, and the Monterey Peninsula Water Management District.
  • The Pure Water Monterey Groundwater Replenishment Project has been designated as a high-priority project by the California Public Utilities Commission, reflecting its strategic importance to the state's water management goals.

Statistics:

  • The Pure Water Monterey Groundwater Replenishment Project is expected to increase the region's water supply by 30% by 2028.
  • The updated supply and demand estimates indicate a 10% increase in water demand on the Monterey Peninsula between 2020 and 2025, from 7.6 million gallons per day (MGD) to 8.4 MGD.
  • The Amended and Restated Water Purchase Agreement outlines the terms and conditions for the sale of 30 million gallons of recycled water per day to the Monterey Peninsula Water Management District.
  • The cost recovery measures are based on a 50/50 split between the California-American Water Company and the Monterey Peninsula Water Management District.

Sources:

  • Application of California-American Water Application 21-11-024 to Obtain Approval (Filed November 29, 2021) of the Amended and Restated Water Purchase Agreement for the Pure Water Monterey Groundwater Replenishment Project, Update Supply and Demand Estimates for the Monterey Peninsula Water Supply Project, and Cost Recovery.
  • Certificate of Service for Monterey Peninsula Water Management District's Three Days Advance Notice of Ex Parte Meeting, dated July 31, 2025.
  • Service List for Proceeding A2111024, dated June 12, 2025.