Improve water quality by reducing contaminant and nutrient loads
from the land and the waters impacting Long Island Sound.
Photo: The Lieutenant River where it empties into the mouth of the Connecticut River. 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.
Photo: An American oystercatcher with her young at Crane Island in Mamaroneck Harbor. Credit: Nadia Valla
Support vibrant, informed, and engaged
communities that use, appreciate, and
help protect Long Island Sound.
Photo: Volunteer project at Sheffield Island, part of the Norwalk Islands. Credit: Robert Burg
Manage Long Island Sound using sound science
and cross-jurisdictional governance that is inclusive,
adaptive, innovative, and accountable.
Photo: Students from the laboratory of UMass/Dartmouth Prof. Mark Altabet deploy a rosette sampler in the Western Sound. Credit: Mark Altabet
Explore the 33 Stewardship Areas along the coast of Long Island Sound.
View Atlas »
EPA is proposing to aggressively reduce nitrogen, a nutrient that in excess leads to poor water quality.
View Strategy »
Mamaroneck Town Supervisor Nancy Seligson describes the new environmentally friendly Town Center parking lot.
View Multimedia Gallery »
View health status and trends for LISS ecosystem targets and supporting indicators.
Learn more »
Learn more about the grant program helping to restore and protect Long Island Sound, including restoring wetlands at Stratford Point. See Long Island Sound Futures Fund.
NY Sea Grant/LISS Sponsors 2 Mentor Teacher Workshops in October - New York Sea Grant and the Long Island Sound Study are sponsoring two mentor teacher workshops on water pollution issues in October on Long Island. Continue Reading
LIS Mentor Teacher Program to Offer 2 Workshops in September - The Long Island Sound Mentor Teacher Program is holding workshops in Greenwich and Stamford in September. Continue Reading
35 Volunteers Help Kick Off Campaign with Beach Cleanup - They collected 100 pounds of of litter – everything from deflated Mylar balloons and monofilament fishing line to plastic bottles, Styrofoam cups, straws, cigarette butts and lots of bottle caps. Continue Reading
Third year of #DontTrashLISound campaign brings in new partners to expand outreach - Beach cleanups in New Haven and Stamford help kickoff LISS;s #DontTrashLISound social media campaign. Continue Reading
The Long Island Sound Study (LISS) is a cooperative effort involving researchers, regulators, user groups and other concerned organizations and individuals. These people are working together to protect and improve the health of the Sound. Learn more