Waterway Plumbing Supply is located in Mt. Oliver in the South Hills of Pittsburgh. Waterway was founded by the Coulter family in the summer of 1946. It has been a full-service plumbing supply house offering great service to Pittsburgh area builders, plumbers, and remodelers. It was acquired by Nicklas Supply in May of 2008. Today it is run by a very knowledgeable staff, who have over 75 years of valuable plumbing experience. Feel free to stop by for all your plumbing needs!