Zionsville WWTP - Municipal Wastewater Treatment in Zionsville, Indiana

Zionsville WWTP is a municipal wastewater treatment facility located in Zionsville, Boone County, Indiana, serving a population of about 16,100. The plant is situated along Eagle Creek Trail and operates under the regulatory framework of the United States Clean Water Act, which requires NPDES permits for discharges to surface waters. As a medium-sized agglomeration, the plant is expected to provide at least secondary treatment under federal standards. The facility is part of the broader wastewater infrastructure managed by local authorities in Indiana. The plant discharges treated effluent into Eagle Creek, a tributary of the White River, which flows into the Wabash River and ultimately the Ohio River and Mississippi River. This watershed supports diverse aquatic life and provides recreational and ecological value to the region.

The plant's discharge enters Eagle Creek, a tributary of the White River, which flows into the Wabash River, a major tributary of the Ohio River. The Ohio River joins the Mississippi River, which drains into the Gulf of Mexico. This watershed supports diverse fish populations and migratory birds, and the water quality is managed to protect aquatic habitats and downstream communities.