Mount Orab WWTP and Sewer System - Advanced Wastewater Treatment in Mount Orab, Ohio

Mount Orab WWTP and Sewer System is a municipal wastewater treatment facility located in Mount Orab, Ohio, serving a population of approximately 3,315. The plant provides advanced treatment, ensuring high-quality effluent before discharge into the local watershed. With a designed capacity of 2,649.78 thousand gallons per day and a current discharge volume of 908.50 thousand gallons per day, the plant operates well within its capacity. As a U.S. facility, it is subject to the Clean Water Act and operates under an NPDES permit issued by the Ohio Environmental Protection Agency, which sets strict limits on effluent quality to protect receiving waters. The plant discharges into tributaries of the Ohio River, which flows into the Mississippi River and ultimately the Gulf of Mexico. Advanced treatment helps reduce nutrient loads, protecting downstream aquatic ecosystems and supporting water quality goals for the region.

The plant discharges into local streams that drain into the Ohio River, a major tributary of the Mississippi River system. The Ohio River supports diverse aquatic life and provides drinking water for millions. Advanced treatment at this plant helps minimize nutrient pollution, which can cause algal blooms and hypoxia in the Gulf of Mexico.