Solutions You Need, Technologies You Trust!

Hydranautics is one of the global leaders in membrane technology. We apply state-of-the-art technology to manufacture industry’s most advanced, high-performance membrane products.

Since our inception in 1963, we are committed to the highest standards of technology research, product excellence and customer satisfaction. We entered the Reverse Osmosis (RO) membrane field in 1970 and are now one of the most respected and experienced companies in the industry. Hydranautics was acquired by Nitto Denko Corporation, Japan in 1987 and we became a part of Nitto Global Membrane Division (GMD).

The Nitto Global Membrane Division comprises of two production facilities: Hydranautics, headquartered in Oceanside, California, USA a membrane manufacturing plant in Shiga Region, Japan. These two facilities, in addition to a network of offices and warehouses spanning around the globe, provide 24/7 technical and sales support with timely response to customer requests. Our continuing commitment to research and technology results in the continued development of specialized membrane products.

Hydranautics’ products are currently in use on all seven continents. Product applications include potable water, boiler feedwater, industrial process water, wastewater treatment, surface water treatment, seawater desalination, residential water, electronic rinse water, agricultural irrigation and pharmaceuticals. Comprehensive customer service and support is available round the clock and around the world.

A network of worldwide sales offices throughout the USA, South America, Europe and Asia support Hydranautics’ global business base. Hydranautics is the first membrane manufacturer to meet the highest quality standards with ISO 9001 Quality System Certification. Both Hydranautics and Nitto take pride in setting industry standards for technical excellence and product quality, and welcome the opportunity to respond to your most challenging water treatment requirements.