Birmingham purchases water from the Southeastern Oakland County Water Authority (SOCWA), which buys it from the Detroit Water and Sewerage Department.
The City's water system consists of approximately 99 miles of water mains. It includes approximately 700 hydrants and 2 elevated water-storage tanks. There are approximately 8,522 customers who receive water service from the City. This total is further subdivided into approximately 7,600 residential users and 875 commercial accounts.