Evansville Westside WWTP, Evansville

Overview

Evansville Westside WWTP serves approximately 123,582 people in Evansville, Indiana. The plant operates under the US Clean Water Act, which mandates secondary treatment for municipal wastewater.

Evansville Westside WWTP is a municipal wastewater treatment facility located in Evansville, Indiana, serving a population of about 123,582. The plant is situated near the Ohio River in Vanderburgh County, providing essential sanitation services to the community. As a large agglomeration serving over 100,000 people, the plant is expected to meet secondary treatment standards under the US Clean Water Act. The National Pollutant Discharge Elimination System (NPDES) permit program, administered by the Indiana Department of Environmental Management, governs its discharge requirements to protect water quality. The treated effluent from the plant ultimately discharges into the Ohio River, a major tributary of the Mississippi River. This river system supports diverse aquatic life and provides drinking water for millions downstream. The plant's operations are critical for maintaining the ecological health of the Ohio River basin.

Environmental context

The plant discharges into the Ohio River, which flows into the Mississippi River and eventually the Gulf of Mexico. The Ohio River supports a variety of fish species and is an important migratory corridor for birds. Protecting water quality in this basin is essential for downstream ecosystems and human uses.

Frequently asked questions

Evansville Westside WWTP is located in Evansville, Vanderburgh County, Indiana, United States, near the Ohio River.

The plant serves approximately 123,582 people, classifying it as a large municipal wastewater treatment facility.

The treated effluent is discharged into the Ohio River, which flows into the Mississippi River and ultimately the Gulf of Mexico.

The plant operates under the US Clean Water Act, with discharge permits issued through the National Pollutant Discharge Elimination System (NPDES) by the Indiana Department of Environmental Management.

Under the Clean Water Act, municipal plants of this size are required to provide at least secondary treatment, which removes about 85% of organic matter and suspended solids.