Overview
Montgomery Township Stage II CS_STP serves Rocky Hill, New Jersey, treating wastewater for approximately 5,107 residents. The plant has a designed capacity of 1.00 million gallons per day and operates under U.S. EPA and New Jersey DEP regulations.
Montgomery Township Stage II CS_STP is a wastewater treatment facility located on Washington Street in Rocky Hill, Somerset County, New Jersey. The plant serves a population of about 5,107 people within the township, operating as part of the municipal wastewater infrastructure for this suburban community in central New Jersey. As a small-scale facility in the United States, the plant is subject to the Clean Water Act and National Pollutant Discharge Elimination System (NPDES) permitting, administered by the New Jersey Department of Environmental Protection. The designed capacity of 1.00 million gallons per day indicates a facility sized for the local population. The plant discharges treated effluent into local waterways that ultimately drain to the Raritan River and then to Raritan Bay, part of the New York-New Jersey Harbor Estuary. This region supports diverse aquatic life and is an important ecological and recreational resource. The plant's operations contribute to protecting water quality in the Millstone River watershed, a tributary of the Raritan River.
Environmental context
The plant's treated effluent flows into the Millstone River, a tributary of the Raritan River, which empties into Raritan Bay and the Atlantic Ocean. The Millstone River watershed supports diverse freshwater habitats and is used for recreation. Downstream, the Raritan Bay estuary provides critical nursery grounds for fish and supports migratory bird populations. Protecting water quality in this system is important for both ecological health and human use.
Frequently asked questions
The plant is located on Washington Street in Rocky Hill, Somerset County, New Jersey, United States.
The plant serves approximately 5,107 residents in Montgomery Township and the surrounding area.
The plant discharges treated effluent into the Millstone River, which flows into the Raritan River and eventually reaches Raritan Bay and the Atlantic Ocean.
As a U.S. facility, the plant operates under the Clean Water Act and is permitted through the National Pollutant Discharge Elimination System (NPDES), administered by the New Jersey Department of Environmental Protection.
For small agglomerations in New Jersey, secondary treatment is typically required under the Clean Water Act, which includes biological treatment to remove organic matter and suspended solids.
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