Allentown Borough CS_STP - Secondary Wastewater Treatment Plant in Allentown, New Jersey

Allentown Borough CS_STP is a municipal wastewater treatment facility located at 33 Sandburg Drive in Allentown, Monmouth County, New Jersey. The plant serves a population of 2,160 and operates under the regulatory framework of the United States Clean Water Act, which requires secondary treatment for municipal discharges to surface waters. The plant provides secondary treatment, a standard level for smaller communities in the US, and has a design capacity of 900.93 m³/day with an average daily discharge of 745.73 m³/day. As a facility in New Jersey, it is subject to state-level NPDES permits issued by the New Jersey Department of Environmental Protection, ensuring compliance with water quality standards. The treated effluent is discharged into local waterways that drain into the Atlantic Ocean via the Delaware River basin. The plant plays a key role in protecting downstream aquatic ecosystems by reducing organic pollutants and suspended solids before discharge.

The plant discharges into tributaries of the Delaware River, which flows into Delaware Bay and ultimately the Atlantic Ocean. The Delaware River basin supports diverse aquatic life, including migratory fish species such as American shad and Atlantic sturgeon. The plant's secondary treatment helps maintain water quality in this ecologically important watershed, which provides habitat for numerous species and serves as a drinking water source for millions.