• Clean Waters and
    Healthy Watersheds

    Improve water quality by reducing contaminant and nutrient loads
    from the land and the waters impacting Long Island Sound.

    Learn More

    The Lieutenant River where it empties into the mouth of the Connecticut River. Credit: Jerry Monkman/Ecophotography
  • 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.

    Learn More

    An American oystercatcher with her young at Crane Island in Mamaroneck Harbor. Credit: Nadia Valla
  • Sustainable and
    Resilient Communities

    Support vibrant, informed, and engaged
    communities that use, appreciate, and
    help protect Long Island Sound.

    Learn More

    Volunteer project at Sheffield Island, part of the Norwalk Islands. Credit: Robert Burg
  • Sound Science and
    Inclusive Management

    Manage Long Island Sound using sound science
    and cross-jurisdictional governance that is inclusive,
    adaptive, innovative, and accountable.

    Learn More

    Students from the laboratory of UMass/Dartmouth Prof. Mark Altabet deploy a rosette sampler in the Western Sound. Credit: Mark Altabet

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 »

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

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

05.15.18

Sea Grants Request Preliminary Proposals for LISS Research Grant Program - Approximately $1,200,000 in funding is expected to be available for one or two year projects. Continue Reading

04.27.18

New TNC Website offers Solutions for Nitrogen Pollution - The website was created with support from the Long Island Sound Futures Fund. 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

12.13.17

Sound Bytes Fall 2017 - Read the Fall 2017 issue of Sound Bytes. Download the Fall 2017 issue as a PDF here. Continue Reading

05.16.17

Sound Bytes Spring 2017 - Read the Spring 2017 issue of Sound Bytes. Download the Spring 2017 issue as a PDF here. Continue Reading

04.26.17

Year in Review 2016 - The spring 2017 issue of Sound Update focuses on Long Island Sound Study's Year in Review of 2016. Continue Reading

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

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