A Total Maximum Daily Load Analysis to Achieve Water Quality Standards for Dissolved Oxygen in Long Island Sound

On February 5, 1998, the states of Connecticut and New York and the Environmental Protection Agency adopted a plan for Phase III Actions for Hypoxia Management, including nitrogen reduction targets of 58.5 percent for 11 “management zones” that comprise the Connecticut and New York portion of the Long Island Sound watershed. Action 3.A. under the plan is a commitment to administer and enforce the nitrogen targets through development of a Total Maximum Daily Load (TMDL) analysis consistent with requirements under section 303(d) of the Clean Water Act.

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