North Liberty WWTP - Secondary Treatment Plant in North Liberty, Indiana

North Liberty WWTP is a municipal wastewater treatment facility located at 675 Pierce Road in North Liberty, Saint Joseph County, Indiana. The plant serves a population of approximately 1,402 residents, providing secondary treatment to manage domestic wastewater from the community. As a secondary treatment plant, North Liberty WWTP meets the standard level of treatment required by the US Clean Water Act for municipal facilities. The plant has a designed capacity of 681.37 thousand gallons per day and currently treats an average daily flow of 605.67 thousand gallons per day, indicating it operates below its design capacity. The treated effluent from North Liberty WWTP is discharged into local receiving waters, which ultimately drain into the St. Joseph River watershed and then into Lake Michigan. The plant plays a key role in protecting water quality in the region, supporting aquatic life and downstream ecosystems.

The plant discharges into local streams that are part of the St. Joseph River basin, which flows north into Lake Michigan. This watershed supports diverse aquatic species and provides recreational and drinking water resources. The plant's secondary treatment helps reduce nutrient and organic loads, protecting the downstream environment from eutrophication and maintaining water quality standards.