Improve water quality by reducing contaminant and nutrient loads
from the land and the waters impacting Long Island Sound.
A woman kayaks in the Black Hall River near the mouth of the Connecticut River in Old Lyme, Connecticut. Credit: Jerry Monkman/Ecophotography
Restore and protect the Sound’s ecological balance in a healthy, productive, and resilient state to benefit both people and the natural environment.
Harp seal resting on beach in Madison, CT, waving flipper to warm itself in winter.
Support vibrant, informed, and engaged communities
that use, appreciate, and help protect Long Island Sound.
The mouth of the Saugatuck River in Westport, CT.
Manage Long Island Sound using sound science and cross-jurisdictional
governance that is inclusive, adaptive, innovative, and accountable.
UConn Professor Beth Lawrence collects data on surface water salinity with student Madeline Kollegger at a Barn Island tidal marsh. Photo by Emily Couture (CAHNR)/UConn.
The plan that guides Long Island Sound’s conservation is getting a major revision. Learn more.
View health status and trends for LISS ecosystem targets and supporting indicators.
Explore the 33 Stewardship Areas along the coast of Long Island Sound.
EPA is proposing to aggressively reduce nitrogen, a nutrient that in excess leads to poor water quality.
Where: Remote meeting
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Area of the Long Island Sound
Length of Coastline
Population Living Within 50 miles
Estimated Value to the Local Economy Per Year
No. of Finfish Species Found in the Sound