Water Quality Problems and Solutions in Jamaica Bay: Analyzing the Role of Wastewater - Spring

Advisor: Tanya Heikkila

 This workshop report examines the environmental impacts of treated wastewater discharged into Jamaica Bay, a 10,000-acre estuarine ecosystem located along the coasts of Brooklyn and Queens. Prepared for the New York/New Jersey Clean Ocean and Shore Trust (COAST), the study focuses on the ecological consequences of nitrogen-rich effluent released daily from four wastewater treatment plants into the bay. High nitrogen concentrations can stimulate algal blooms that reduce dissolved oxygen levels, resulting in hypoxic conditions harmful to aquatic organisms and potentially causing fish kills. The report also highlights declining wetland habitats and reduced water clarity as additional environmental concerns associated with excessive nutrient loading. Through a review of scientific literature and policy frameworks governing wastewater management in New York Harbor, the project evaluates how nitrogen pollution, combined sewer overflows, atmospheric deposition, and physical alterations to the bay—such as dredged borrow pits—affect ecosystem health and water quality.

To address these challenges, the report assesses a range of policy and engineering solutions aimed at reducing nitrogen inputs and improving ecological conditions in Jamaica Bay. Potential strategies include upgrading wastewater treatment facilities to remove nitrogen more effectively, constructing an offshore outfall pipe to redirect treated effluent into the Atlantic Ocean, restoring wetlands to enhance natural filtration, filling dredged pits to improve water circulation, and promoting water recycling initiatives. The study evaluates each option in terms of environmental effectiveness, political feasibility, and economic costs. Although uncertainties remain regarding the precise role of nitrogen in wetland decline, the authors argue that proactive policy measures are warranted to prevent further degradation. The report ultimately recommends pursuing infrastructure upgrades and ecosystem restoration strategies while continuing scientific monitoring to better understand the bay’s complex ecological dynamics and guide long-term management decisions.

Learn more about the MPA-ESP Capstone Workshop.