Montgomery Co Western Regional WWTP and Sewers - West Carrollton, Ohio Wastewater Treatment

Montgomery Co Western Regional WWTP and Sewers is a municipal wastewater treatment facility located at 3943 Hydraulic Road in West Carrollton, Montgomery County, Ohio. Serving an estimated population of 86,372, the plant is a key component of the region's water infrastructure, handling wastewater from residential and commercial sources in the western part of the county. As a medium-to-large agglomeration, the plant operates under the U. S. Clean Water Act, which requires secondary treatment as a minimum standard for municipal wastewater facilities. The National Pollutant Discharge Elimination System (NPDES) permit program governs its discharge, ensuring compliance with water quality standards set by the Ohio Environmental Protection Agency. Treatment processes typically include primary sedimentation, biological treatment, and disinfection to meet permit limits. The plant's treated effluent is discharged into the Great Miami River, a tributary of the Ohio River, which flows into the Mississippi River and ultimately the Gulf of Mexico. The Great Miami River watershed supports diverse aquatic life and provides drinking water for downstream communities. The plant's operations help protect water quality in this ecologically significant river system.

The plant discharges 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 the Gulf of Mexico. The Great Miami River watershed supports a variety of fish and macroinvertebrate species, and its water quality is critical for downstream drinking water supplies and recreational uses. The plant's nutrient removal and disinfection processes help mitigate impacts on this sensitive riverine ecosystem.