OR MORE THAN 75 YEARS, CSL Water Quality, Inc. has provided our customers with the most effective and economical water treatment products and services available.

We specialize in water treatment products and equipment for boilers, cooling towers, chilled and hot water loops, wastewater and potable water systems.

CSL is a regional water treatment company, allowing us to provide each of our customers with the service and attention they deserve. We have been in existence since 1930 and have our own blending and manufacturing facility located in Warren, NJ.

CSL blends its products from raw materials that are the most current and effective. This allows us the flexibility to blend products specifically to each customer's needs. Any needed alterations of products can be made seamlessly and quickly.