Overview
Gratis WWTP and Sewer System serves the village of Gratis, Ohio, with advanced wastewater treatment. The plant treats approximately 454.25 m³/day of wastewater for a population of 934, operating under US EPA and Ohio EPA regulations.
Gratis WWTP and Sewer System is a municipal wastewater treatment facility located in Gratis, Preble County, Ohio, United States. The plant serves a population of 934 residents, providing advanced treatment to protect local water quality. The facility operates with advanced treatment processes, achieving a higher level of pollutant removal than secondary treatment. With a designed capacity of 450.46 m³/day and a current discharge volume of 454.25 m³/day, the plant operates near its capacity. As a US facility, it is subject to the Clean Water Act and National Pollutant Discharge Elimination System (NPDES) permitting, administered by the Ohio Environmental Protection Agency. The treated effluent is discharged into a local waterway that drains into the Great Miami River watershed, ultimately flowing to the Ohio River and then the Mississippi River. The plant plays a key role in protecting downstream aquatic ecosystems and ensuring compliance with water quality standards.
Environmental context
The plant discharges into a tributary of the Great Miami River, which flows through southwestern Ohio before joining the Ohio River. The Great Miami River watershed supports diverse aquatic life, including several species of freshwater mussels and fish. The Ohio River is a major drinking water source and ecological corridor. Advanced treatment at this plant helps reduce nutrient loading and protects downstream habitats from eutrophication and contamination.
Frequently asked questions
The plant is located on Saylor Street in Gratis, Preble County, Ohio, United States.
The plant serves a population of 934 residents in the village of Gratis and surrounding areas.
The treated effluent is discharged into a local waterway that drains into the Great Miami River watershed, ultimately reaching the Ohio River.
The plant provides advanced treatment, which goes beyond secondary treatment to remove additional pollutants such as nutrients and pathogens.
As a US facility, it operates under the Clean Water Act and is regulated by an NPDES permit issued by the Ohio Environmental Protection Agency, ensuring compliance with water quality standards.
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