General Info

Since 1910, Clow Water Systems Company has been one of the premier manufacturers of ductile iron pipes/fittings for the waterworks industry in the United States. Located in Coshocton, Ohio, the privately held company produces ductile iron pipes, flanged pipes, compacts, mechanical joint fittings and Clow super-lock fittings. It maintains industry affiliations with the Ductile Iron Pipe Research Assocation (DIPRA), Ohio Cast Metals Association, American Water Works Association and the Water and Sewer Distributors of America (WASDA). The company is a member of the U.S. Green Building Council. Clow Water Systems Company is a division of McWane Inc., which is a major national producer of ductile iron pressure pipes, fittings, valves and hydrants.