Since 1963, Arc Water Treatment Company has earned a reputation for reliability and proven performance serving the commercial water treatment needs of our customers. Based in Jessup, Maryland, Arc is conveniently located to serve the entire Chesapeake Bay Region, including Maryland, The District of Columbia, Northern Virginia, Delaware, Pennsylvania, New Jersey, and eastern West Virginia. The range of Arc’s water treatment capabilities include Complete Water Treatment Services, Specialized Treatment Chemicals for all HVAC systems, State-of-the-Art Chemical Feeding Equipment, expert technical support and a tradition of skill, efficiency and dependability. Arc is proud to be “The Region’s Premier Water Treatment Company”.