Overview
Fairfield WWTP and Sewer System serves approximately 45,000 residents in Fairfield, Ohio. The plant is part of the municipal wastewater infrastructure discharging into the Great Miami River watershed.
Fairfield WWTP and Sewer System is a municipal wastewater treatment facility located in Fairfield, Butler County, Ohio. The plant serves a population of about 45,000 people, classifying it as a medium-sized agglomeration under U.S. regulatory frameworks. As a U.S. facility, the plant operates under the Clean Water Act and is subject to National Pollutant Discharge Elimination System (NPDES) permits issued by the Ohio Environmental Protection Agency. For a plant of this scale, secondary treatment is typically required, with possible additional nutrient removal depending on the receiving water body's sensitivity. The treated effluent is discharged into the Great Miami River, which flows southwest to join the Ohio River near Cincinnati. The Ohio River then drains into the Mississippi River and ultimately the Gulf of Mexico. The plant plays a key role in protecting local water quality and downstream aquatic ecosystems.
Environmental context
The plant discharges into the Great Miami River, a major tributary of the Ohio River. The Great Miami River supports diverse aquatic life and is used for recreation and drinking water supply downstream. The Ohio River is a critical migratory corridor for fish and supports extensive riparian habitats. Protecting water quality in this watershed is essential for maintaining ecological health and human uses.
Frequently asked questions
The plant is located on Pleasant Avenue in Fairfield, Butler County, Ohio, United States.
The plant serves approximately 45,000 residents in the Fairfield area.
Treated effluent is discharged into the Great Miami River, which flows into the Ohio River and eventually the Gulf of Mexico.
As a U.S. facility, it operates under the Clean Water Act and is regulated via an NPDES permit issued by the Ohio Environmental Protection Agency.
Plants of this scale typically provide secondary treatment, with possible additional nutrient removal to meet water quality standards for the Great Miami River.
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