Texas is set to develop the largest desalination plant in the U. S. near Corpus Christi, as part of a broader effort to manage water supply challenges. This project, alongside others in the state, reflects significant investments into desalination technology to ensure sustainable water access.
1. Nueces River Authority Plans: The Nueces River Authority (NRA) has announced plans to build a deepwater desalination plant off Harbor Island. It aims to operate at 100 million gallons per day (Mgpd) initially, potentially expanding to 450 Mgpd by 2070.
2. Global Context of Desalination: Desalination is essential for providing drinking water globally, particularly in arid regions like the Middle East. The largest facility worldwide is in Saudi Arabia, with a capacity of 228 million Imperial gallons per day (MIGD).
3. U. S. Desalination Facilities: Out of approximately 17,000 desalination plants worldwide, about 300 are located in the U. S. Notable plants include the Claude "Bud" Lewis Carlsbad facility in San Diego, which is the largest in the U. S. and can supply 50 Mgpd.
4. Public-Private Partnerships: Alice, Texas, became the first in the state to use a public-private partnership for its brackish water desalination plant, which helped reduce costs and transfer construction risks to a private company.
5. Current Water Needs: Current water sources are critically low, with Lake Corpus Christi at just 17. 9% capacity. The NRA is collecting water use data from a 14-county area to secure commitments for the new desalination facility.
6. Environmental Considerations: The waste from the desalination process will be disposed of with minimal environmental impact. Additionally, using desalinated water can enhance streamflow in local rivers after treatment.
7. Other Desalination Projects: Other plans in Texas include expanding a brackish water plant in Brownsville to 20 Mgpd and building a new seawater desalination plant in Port Isabel.
Texas's commitment to desalination projects marks a strategic response to increasing water demands and climate challenges. With several initiatives underway and public-private partnerships in place, the state aims to enhance its water security for the future.
https://www.cfact.org/2025/03/07/texas-is-going-big-on-desalination/
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