The mission of the Philadelphia Department of Revenue is the timely, courteous, and prompt collection of all revenue due to the City of Philadelphia, and all tax revenue due to the School District of Philadelphia. This includes the billing and collection of water and sewer charges. The Water Revenue Bureau provides all billing and collection functions for water and sewer charges. We ensure that the Philadelphia Water Department has the financial resources needed to provide reliable, high-quality water to Philadelphia residents, businesses, and communities. The Department of Revenue also administers the City’s many tax and assistance programs.