Parsippany Troy Hills Township Septics_CS_STP Wastewater Treatment Plant, New Jersey

Parsippany Troy Hills Township Septics_CS_STP is a municipal wastewater treatment facility located in Parsippany-Troy Hills, New Jersey, serving a population of approximately 89,443. The plant is situated in Morris County and is part of the region's wastewater infrastructure managed under state and federal regulations. As a US facility serving a medium-to-large agglomeration, the plant is subject to the Clean Water Act and National Pollutant Discharge Elimination System (NPDES) permitting requirements. For plants of this scale, secondary treatment is typically mandated, with potential additional nutrient removal requirements depending on the receiving water body's sensitivity. The designed capacity is 1.00 million gallons per day, indicating a facility sized for the community's needs. The plant discharges treated effluent into local waterways that ultimately drain into the Passaic River basin and then to Newark Bay and the Atlantic Ocean. Its operation helps protect downstream water quality and aquatic habitats in the densely developed New Jersey region.

The plant's treated effluent flows into the Passaic River watershed, which drains through northern New Jersey into Newark Bay and the Atlantic Ocean. This area supports diverse aquatic life and is an important migratory corridor for fish species. The watershed faces challenges from urban runoff and industrial legacy, making effective wastewater treatment critical for maintaining water quality and ecosystem health.