Sewer service for the City is provided by the Farmington Sanitary District and arrangements for new sewer service can be made by contacting the City of Farmington at 309-245-2011.
Illinois American Water has provided the City of Farmington with water service since 2018. Illinois American Water is the largest investor-owned water utility in the state, providing high-quality and reliable water and/or wastewater services to approximately 1.3 million people. American Water also operates a customer service center in Alton and a quality control and research laboratory in Belleville.
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