Cal Water sells, installs and services water purification systems for industrial and commercial applications in Southern California. Portable deionizers, high-tech reverse osmosis systems, in-place deionizers, solution feeders.

Water Purification Technologies

Cal Water’s water purification technologies include deionized water service (DI), automatic deionizers, reverse osmosis (RO) systems, water softeners, activated carbon purifiers, chemical feeders, ultraviolet (UV) sterilizers, ozone generators, and filters of all types. Control systems for our products range from manual, to automatic, to completely computer controlled.

White Papers

We generate a working operating & maintenance manual for any pure water system no matter what the source. read more

"Its our people!"
Cal Water sells, installs and services water purification systems for industrial and commercial applications in Southern California. Portable deionizers, high-tech reverse osmosis systems,softeners, filters, in-place deionizers, solution feeders, ultraviolet??sterilizers, ozone generators, instrumentation of all types and computer controls.

CAL WATER has been selling, installing and servicing water purification systems for commercial, industrial and scientific applications in Southern California for over 50 years. Learn more About CAL WATER and the history of water purification and its uses.

CAL WATER specializes in providing portable exchange deionized water systems to commercial and industrial customers. Our Products and state-of-the-art regeneration process utilize the latest in computer-aided technology to provide our customers the highest quality water treatment, capacity and dependable service available.

At CAL WATER, our mission is to give you the highest quality water treatment systems and best level of service possible. Our interactive program, CalCap95, can assist you in finding the right service deionization system for your needs. read more

New Products: Stainless Steel Deionizers

Water Quality Conversion Chart

Welcome to the Cal Water product and service information page. We are the premier providers of portable exchange deionizers and associated services.

Cal Water sells, installs and services water purification systems for industrial and commercial applications in Southern California. Portable deionizers, high-tech reverse osmosis systems,softeners, filters, in-place deionizers, solution feeders, ultraviolet??sterilizers, ozone generators, instrumentation of all types and computer controls.

Our quality control standards are high. Our installation personnel and service staff are among the best in the industry. Our goal is always to deliver the finest quality products and service in the industry. Your satisfaction is of paramount importance.

• Deionizers
• Electro Deionizers
• Water Softeners
• Dealkalizers
• Filters
• Reverse Osmosis Systems

• Ultraviolet Sterilizers
• Ozone Generators
• Instrumentation
• Engineered Products
• Skid Mounted Systems
• White Papers