Deionized Water, Reverse Osmosis Water & More – St. Thomas, Ontario

As water treatment professionals in the industry, our goal is to improve your commercial or industrial operation. Viridian Water Systems delivers, installs & maintains water purification products of all makes and models including water softeners, reverse osmosis systems, carbon filters, UV systems, water deionization systems, sediment filters & iron filters. Now expanding into St. Thomas, York, Huntsville, Cobourg, Oakville, North York, Viridian is a provider of high quality services and water purification solutions that will enhance your production. By choosing us as your water treatment supplier, you’ll get a reliable, experienced partner for your project. It is our job to ensure that the installation & operation of our equipment is hassle-free. Pure water/deionized water/de-mineralized water applications include:


  • manufacturing
  • power generation
  • powder coating
  • electro-deposition coating (e-coating)
  • purified water rinsing
  • medical research
  • cosmetics/pharmaceutical manufacturing
  • automotive component fabrication
  • etc.

Screen-Shot-2015-07-20-at-6.12Over the last 30 years, we have successfully completed more than 500 water conditioning/water purification projects in cities located in Southern Ontario including St. Thomas, Etobicoke, Mississauga, Brampton, Caledon, Bolton, Toronto, Hamilton, Oakville, Burlington and Milton. Manufacturer product knowledge training, uniform installation standards and a determined commitment to 100% customer satisfaction are the hallmarks of our water treatment service. We encourage you to reach out to us if you require purified process water or deionized process water for your commercial or industrial application.

Facts about St. Thomas, ON:

  • St. Thomas Transit, which includes both conventional bus service and paratransit, is owned by the city and staffed and operated by Voyageur Transportation.
  • St. Thomas is home to the Railway City Brewing Company, one of 29 members of the Ontario Craft Brewers.

Nearby cities/towns: