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Reliable desalination solutions for the Caribbean! At Caribbean Water Treatment, we design and install reverse osmosis systems built to withstand our environment — providing clean water for communities, resorts, industries, and more. With more than 25 years of working with WET desalination systems and 100+ installations across the Caribbean, we deliver water solutions you can trust. Contact us today to learn more about our RO systems!

Caribbean owned, Caribbean focused. For over 30 years, Caribbean Water Treatment Ltd. has delivered reliable, customized water solutions to residential, commercial, and industrial clients across Antigua and the Caribbean. From drinking water and wastewater treatment to desalination and pool care, CWT has you covered. Contact us today here and let us provide your water solution.

We were delighted to support the Christmas Carol by Steel Pan initiative, which brought music, surprise, and holiday cheer to the community. Thank you to Abena St. Luce for allowing us to participate. Read more here .

Caribbean Water Treatment has successfully commissioned the sewage treatment plant serving the new terminal at Clayton J. Lloyd International Airport in Anguilla. A special shoutout to the Anguilla Airport Authority team, with whom we had the pleasure of training to operate and maintain the plant.

CWT Nevis: Your One-Stop Shop for Pool Care & PVC Supplies At CWT Nevis, we’re proud to be stocked and ready to support homeowners and contractors with the essential products you need to keep your projects flowing smoothly. 🌊 Keep Your Pool Sparkling We offer a complete range of pool chemicals , including: Chlorine for effective sanitation. Algaecides to prevent and control algae growth. Other maintenance essentials to keep your water crystal clear. Whether you're maintaining a backyard pool or managing a commercial property, we’ve got everything you need to ensure clean, safe, and refreshing water. 🛠️ Quality PVC Pipes & Materials Looking for reliable plumbing or construction supplies? We stock: PVC Pipes (SCH 40) – durable, dependable, and available in multiple sizes. PVC Fittings & Materials – from male adaptors to elbows, we provide all the components necessary for your next project. 📞 Visit or Contact Us Today Need advice or ready to shop? Stop by our store or give us a call — our team is always happy to help. Located at: Clifton Estate, St. Thomas, Nevis. Call us at: (869) 469-9420 Email us at: nevis@caribbeanwatertreatment.com

Last week, our Operations, Warehouse, and Pool Service Managers met with David Johnson from Speck Pumps for an informative session. Caribbean Water Treatment is proud to offer a wide range of quality Speck pool pumps.

Great news, Nevis customers! You can now pay for your pool services through St. Kitts-Nevis-Anguilla National Bank using mobile or online banking. Just select “CWT Nevis Limited” from the merchant list — quick and simple!

Big news! Caribbean Water Treatment just completed the installation of a 250,000-gallon-per-day RO desalination plant at Beaches Resort, Turks & Caicos! We are proud to deliver water solutions across the Caribbean.

We are proud to sponsor the “Swim for Life Instructor Training” initiative! Together with Splashing with Clashing Swim Instruction and the Canadian Lifesaving Society, we’re supporting training new swim instructors to promote water safety and drowning prevention across Antigua and Barbuda.

Caribbean Water Treatment was honored to host representatives from the National Office of Disaster Services (NODS) and Global Support Development (GSD) as part of their ongoing Water, Sanitation, and Hygiene (WASH) training initiative. During the visit, our team shared detailed insights into our water treatment operations and processes, contributing to the broader goal of strengthening local capacity in water and sanitation disaster preparedness. Caribbean Water Treatment remains committed to collaboration and continuous improvement in water management practices that ensure safe, sustainable, and reliable water systems for our communities.

Yesterday, on October 16th , the teams from AquaCal and AutoPilot joined forces with Caribbean Water Treatment to host a successful workshop in Antigua, focused on advancing pool knowledge across the island. The day began at the Antigua & Barbuda Hospitality Training Institute (ABHTI) , where participants engaged in an in-depth theory session covering the latest innovations in pool heating, automation, and more. Attendees learned about best practices, energy efficiency, and proper maintenance of AquaCal and AutoPilot equipment. Following the classroom session, participants moved on to an interactive, hands-on training , where they had the opportunity to apply what they learned — from troubleshooting pumps and control systems to fine-tuning equipment for optimal performance. We were thrilled to welcome professionals from various hotels and service companies across Antigua, and we’re deeply grateful for their participation and enthusiasm throughout the day. To recognize their efforts, each attendee received a certificate of completion , marking their dedication to continuous learning and professional development within the pool sector. This collaborative effort between AquaCal , AutoPilot , and Caribbean Water Treatment shares our commitment to supporting the region’s pool and spa professionals with ongoing education, hands-on experience, and technical expertise. We extend our heartfelt thanks to everyone who made the workshop a success — from the organizers and trainers to our engaged participants. We look forward to more opportunities to collaborate and grow together in the future!

We’re excited to announce that we’re carrying a new line of cost-competitive pool pumps from Speck – the BADU Pro-IV VS, BADU Pro-II E SSD 1HP, and BADU Pro-I E SSD 0.75 THP!  These high-performance pumps are compatible with industry staples like the Hayward® Super Pump® and Pentair® SuperFlo®/WhisperFlo®, offering an easy and efficient upgrade path for enhanced performance. ✅ Energy-saving variable speed options ✅ Built-in TEFC motors for quiet, reliable operation ✅ Designed with pool pros in mind for easy installation & service Available now at Caribbean Water Treatment. DM us or stop by to learn more!