East Greenwich STP, East Greenwich

Overview

East Greenwich STP serves approximately 2,500 residents in East Greenwich, Rhode Island. The plant operates under U.S. EPA NPDES regulations, discharging treated wastewater into the Greenwich Bay watershed, part of Narragansett Bay.

East Greenwich STP is a municipal wastewater treatment facility located in East Greenwich, Rhode Island, serving a population of about 2,500. The plant is situated near Greenwich Bay, a coastal estuary within Narragansett Bay, and operates under the regulatory framework of the U.S. Clean Water Act, which requires NPDES permits for all discharges. The plant's designed capacity is 1.00 million gallons per day, indicating it is sized for a small community. Regulatory oversight is provided by the Rhode Island Department of Environmental Management, which issues permits ensuring compliance with water quality standards. The plant's treated effluent discharges into the Greenwich Bay watershed, which drains into Narragansett Bay and ultimately the Atlantic Ocean. This coastal environment supports diverse marine life, including shellfish beds and finfish, and is an important recreational and ecological resource. Proper treatment is critical to protect water quality in the bay, which is subject to nutrient pollution concerns.

Environmental context

East Greenwich STP discharges into the Greenwich Bay watershed, a sub-estuary of Narragansett Bay in Rhode Island. Narragansett Bay flows into Rhode Island Sound and the Atlantic Ocean. The bay supports ecologically sensitive habitats, including eelgrass beds and shellfish populations, which are vulnerable to nutrient loading and pathogens. Effective wastewater treatment is essential to maintain water quality and protect these resources.

Frequently asked questions

East Greenwich STP is located in East Greenwich, Rhode Island, near Greenwich Bay in Kent County.

The plant serves approximately 2,500 residents in the East Greenwich area.

The plant discharges treated effluent into the Greenwich Bay watershed, which flows into Narragansett Bay and the Atlantic Ocean.

The plant operates under the U.S. Clean Water Act, requiring an NPDES permit issued by the Rhode Island Department of Environmental Management.

Small plants of this scale typically provide secondary treatment, which includes biological processes to reduce organic matter and suspended solids, meeting EPA standards.