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Travis Calhoun has been hired as Columbus City Utilities’ Wastewater Plant Superintendent. He began working at the Utilities in June 2012 in the Water Distribution department and transferred to the Wastewater Treatment Plant in September 2013. Travis is involved in Southern Indiana Operator’s Association (SIOA) and was a previous president of the association for four [...]

Mark Joslin retired from Columbus City Utilities on 12/13/2022 after 43 years of service. He began working at our Wastewater Treatment Plant in 1979 and held the same position during his 43 years of service, which made him the local expert in Wastewater Treatment Operations. It is estimated he has collected over 90,000 wastewater samples [...]