For over 100 years, The City of Phoenix Water Services Department has delivered safe, reliable tap water to homes and businesses in our community. Today, Phoenix Water is one of the largest utilities in the United States serving more than 1.7 million customers high quality tap water. With a 100-year assured water supply and the vast infrastructure to continue providing the best quality in water and customer care, Phoenix Water will continue to build on its legacy of being responsible stewards of the environment and our most precious resource for generations to come.