The 2024 Long Island Sound Report Card tracks and publicizes the ecological health of Long Island Sound. Our biennial report assembles water monitoring data and, using an assessment methodology designed for the Report Card, grades water quality in five open water regions of Long Island Sound and 57 bay segments along its margins. We provide the results to elected officials, environmental agencies, and the general public as part of our ongoing work to catalyze improvements in ecosystem health and promote restoration projects and infrastructure investments. All grades in the 2024 Long Island Sound Report Card result from monitoring data collected during the 2023 monitoring season.

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