Grandview WWTP - Spencer County, Indiana Wastewater Treatment Plant

Grandview WWTP is a municipal wastewater treatment facility located in Spencer County, Indiana, United States. The plant serves a small population of 630 residents, providing secondary treatment to meet state and federal water quality standards. Its location in a rural area of southwestern Indiana places it within the Ohio River watershed. The plant operates with a secondary treatment process, which is the minimum standard under the U.S. Clean Water Act for municipal wastewater treatment. With a designed capacity of 454.25 units and an average daily discharge of 264.98 units, the facility operates well below its capacity, indicating room for future growth or seasonal variability. As a small-scale plant, it is subject to EPA National Pollutant Discharge Elimination System (NPDES) permitting, which sets effluent limits to protect receiving waters. The treated effluent from Grandview WWTP ultimately drains into the Ohio River via local tributaries. The Ohio River is a major waterway that supports diverse aquatic life and provides drinking water for millions downstream. The plant's secondary treatment helps reduce nutrient and organic pollutant loads, contributing to the ecological health of the river system.

Grandview WWTP discharges into local streams that flow into the Ohio River, a major tributary of the Mississippi River. The Ohio River basin supports a rich diversity of fish and wildlife, including several species of freshwater mussels and migratory birds. The plant's secondary treatment helps control nutrient pollution, which is critical for preventing algal blooms and maintaining water quality in this ecologically significant river system.