• Clean Waters and
    Healthy Watersheds

    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

    Learn More

  • Thriving Habitats
    and Abundant Wildlife

    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

    Learn More

  • Sustainable and
    Resilient Communities

    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

    Learn More

  • Sound Science and
    Inclusive Management

    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

    Learn More

Stewardship Atlas

stewardship-atlas

Explore the 33 Stewardship Areas along the coast of  Long Island Sound.
View Atlas »

Reducing Nitrogen

nitrogen

EPA is proposing to aggressively reduce nitrogen, a nutrient that in excess leads to poor water quality.
View Strategy »

Photo of the Month

Giving thanks to a refuge for birds at the mouth of the Connecticut River.
View Multimedia Gallery »

Ecosystem Targets

View health status and trends for LISS ecosystem targets and supporting indicators.
Learn more »

Featured

stratford2Learn 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.

 

News Room

12.04.18

$2.57 Million in Grants Awarded to Improve the Health of Long Island Sound - Top federal and state environmental officials announced 36 grants totaling $2.57 million to local government and community groups to improve the health and ecosystem of Long Island Sound. Continue Reading

11.07.18

Sound Bytes Fall 2018 - Read the Fall 2018 issue of Sound Bytes. Download the Fall 2018 issue as a PDF here. Continue Reading

08.16.18

Sound Bytes Summer 2018 - Read the Summer 2018 issue of Sound Bytes. Download the Summer 2018 issue as a PDF here. Continue Reading

08.06.18

Year in Review 2017 - The latest issue of Sound Update focuses on Long Island Sound Study’s Year in Review of 2017. Continue Reading

08.02.18

Clean-up starts campaign to break single-use plastic habit - LISS launches #DontTrashLISound social media campaign. Continue Reading

Science and Technical Advisory Committee 2018 (Fourth Quarter) -

When: November 16, 2018 @ 9:00 am – 2:30 pm
Where: UConn Avery Point, room 123 Marine Science Building, 1084 Shennecossett Rd, Groton, CT 06340, USA

STAC Agenda

Continue Reading

Habitat Restoration and Stewardship Work Group 2018 (Fourth Quarter) -

When: November 28, 2018 @ 9:30 am – 2:30 pm
Where: Sunken Meadow State Park, 1 Sunken Meadow Pkwy, Kings Park, NY 11754, USA

HRSWG Agenda

Continue Reading

11.07.18

Sound Bytes Fall 2018 - Read the Fall 2018 issue of Sound Bytes. Download the Fall 2018 issue as a PDF here. Continue Reading

08.16.18

Sound Bytes Summer 2018 - Read the Summer 2018 issue of Sound Bytes. Download the Summer 2018 issue as a PDF here. Continue Reading

08.06.18

Year in Review 2017 - The latest issue of Sound Update focuses on Long Island Sound Study’s Year in Review of 2017. Continue Reading

05.24.18

Sound Bytes Spring 2018 - Read the Spring 2018 issue of Sound Bytes. Download the Spring 2018 issue as a PDF here. Continue Reading

02.01.18

Sound Bytes Winter 2018 - Read the Winter 2018 issue of Sound Bytes. Download the Winter 2018 issue as a PDF here.   Continue Reading

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About the StudyAbout the Study

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