City of Hamilton

10 Journal Square, Suite 300
Hamilton, OH 45011

Customer Service: (513) 785-7100

Fax Number: (513) 785-7135


Since 1890 the City of Hamilton has provided customer-owned utility service to its residents. Today, we are the largest municipal utility in the State of Ohio.

The City of Hamilton owns and operations four utility systems to serve customers within the greater Hamilton area. The Gas and Water Department is responsible for the maintenance of efficient gas and water services to customers. The Electric Department is responsible for the operation, maintenance and construction of the City of Hamilton’s electric generation and transmission systems. The Wastewater Treatment plant treats an average of 20 million gallons of wastewater each day.