GREENVILLE STP - Secondary Wastewater Treatment Plant in Greenville, Indiana

GREENVILLE STP is a municipal wastewater treatment plant located in Greenville, Indiana, United States. It serves a small population of 1,177 residents in Floyd County, operating as a secondary treatment facility. The plant has a designed capacity of 378.54 thousand cubic meters per year and discharges a similar volume of treated effluent. As a secondary treatment plant, it meets the minimum requirements under the US Clean Water Act for municipal wastewater treatment, which mandates secondary treatment for all publicly owned treatment works. The treated effluent is discharged into local receiving waters that ultimately drain into the Ohio River basin. The Ohio River is a major tributary of the Mississippi River, supporting diverse aquatic life and providing drinking water for millions downstream. The plant's operations contribute to protecting water quality in this important regional watershed.

The plant discharges into local streams that flow into the Ohio River, a major tributary of the Mississippi River system. The Ohio River basin supports diverse aquatic ecosystems, including fish species such as bass and catfish, and provides habitat for migratory birds. The plant's secondary treatment helps reduce nutrient and organic pollutant loads, protecting downstream water quality in this ecologically significant river system.