Rahway Valley SA CS_CSO_STP - Combined Sewer Overflow Treatment Plant in Rahway, New Jersey

Rahway Valley SA CS_CSO_STP is a wastewater treatment facility located in Rahway, New Jersey, serving a population of approximately 219,619. The plant is situated near the Arthur Kill waterway and plays a key role in managing combined sewer overflows in the Rahway Valley area. As a large agglomeration serving over 100,000 people, the plant operates under the U. S. Clean Water Act, which requires secondary treatment for municipal wastewater. The designed capacity is 1.00 million gallons per day, and the facility is part of a broader strategy to reduce pollution from combined sewer overflows in urbanized northeastern New Jersey. The plant's treated effluent discharges into the Arthur Kill, a tidal strait that connects to Raritan Bay and ultimately the Atlantic Ocean. This waterway supports diverse aquatic life and is an important migratory corridor for fish species. The facility's operations are critical to protecting downstream water quality in the New York-New Jersey Harbor Estuary.

The plant discharges into the Arthur Kill, a tidal strait that flows into Raritan Bay and then the Atlantic Ocean. This estuarine environment supports diverse aquatic life, including fish and shellfish, and serves as a vital migratory corridor. The region's industrial history and urban runoff pose ongoing challenges to water quality, making the plant's role in managing combined sewer overflows essential for protecting downstream ecosystems.