OCEA Orchard Grass WWTP - Wastewater Treatment in Orchard Grass Hills, Kentucky

OCEA Orchard Grass WWTP is a municipal wastewater treatment facility located in Orchard Grass Hills, Kentucky, serving a population of about 2,640. The plant is part of the wastewater infrastructure for Oldham County and operates under the regulatory framework of the United States Clean Water Act. As a small-scale facility, it is subject to National Pollutant Discharge Elimination System (NPDES) permits issued by the Kentucky Division of Water. Plants of this size typically employ secondary treatment to meet effluent standards for organic matter and solids. The treated effluent is discharged into local streams that drain into the Ohio River, a major tributary of the Mississippi River. The Ohio River supports diverse aquatic life and provides drinking water for millions downstream. Proper treatment helps protect water quality in this ecologically significant watershed.

The plant discharges into tributaries of the Ohio River, which flows into the Mississippi River and ultimately the Gulf of Mexico. The Ohio River basin supports a variety of fish and wildlife, including several species of freshwater mussels and migratory birds. Maintaining low nutrient and pollutant loads is critical to prevent eutrophication and protect downstream aquatic habitats.