Warren Co Lower Little Miami WWTP - Warren County, Ohio Wastewater Treatment

Warren Co Lower Little Miami WWTP is a municipal wastewater treatment facility located in Deerfield Township, Warren County, Ohio. It serves a population of approximately 110,000, classifying it as a large agglomeration under U. S. regulatory standards. The plant is situated near the Little Miami River, which flows into the Ohio River. As a U. S. facility serving over 100,000 people, the plant is subject to National Pollutant Discharge Elimination System (NPDES) permits issued by the Ohio Environmental Protection Agency. These permits set effluent limits to protect water quality. Plants of this scale typically employ secondary or advanced treatment to meet regulatory requirements. The treated effluent is discharged into the Little Miami River, a designated State Scenic River that supports diverse aquatic life and recreational activities. The river flows into the Ohio River, which ultimately drains to the Mississippi River and the Gulf of Mexico. The plant plays a key role in protecting the Little Miami River's ecological health and downstream water quality.

The plant discharges into the Little Miami River, a tributary of the Ohio River, which flows into the Mississippi River and the Gulf of Mexico. The Little Miami River is an ecologically sensitive waterway that supports diverse fish and macroinvertebrate communities, and is designated as a State Scenic River. Protecting this river from nutrient pollution and pathogens is critical for maintaining its recreational and ecological value.