Charter Plastics is a manufacturer of high density polyethylene (HDPE) pipe for potable water, reclaimed water, sewer, geothermal, gas and irrigation and industrial applications. Based in Titusville, Pa., the company specializes in potable water pipe, reclaimed water pips, sewer pipe, geothermal pipe, irrigation pipe, natural pipe and industrial pipe products. Charter Plastics also manufactures a wide variety of fittings for high density polyethylene (HDPE) pipe, such as socket fusion, side wall, threaded transition, flange adapters and back up rings.