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About City of Hamilton, Ohio Water

The City of Hamilton has owned and operated its own water utility since 1884. The City begins by drawing its raw water from one of the finest sources of water in North America, the Great Miami Valley Buried Aquifer. Using 21 deep wells, the City extracts water from the aquifer and then treats the water using a unique chlorine dioxide disinfectant process. The City processes raw water from the aquifer at 2 water treatment plants.  

The underground distribution infrastructure of the Water System currently consists of over 289 miles of water mains throughout and in areas adjacent to the City. The City provides, on average, over 18.5 million gallons of water per day (MGD) to approximately 25,000 customers in Hamilton and portions of Butler County.