• 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

Latest issue of Wrack Lines celebrates Connecticut Sea Grant's 30th anniversary.
View Multimedia Gallery »

Ecosystem Targets

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

News Room

02.11.19

Over $1.5 Million Funds Four Long Island Sound Research Projects - 2019 LISS Research Grants- Over $1.5 million in funding has been awarded for four research projects. Continue Reading

02.07.19

Volunteers Needed: River Herring Monitor Training - Volunteers are needed to watch for spawning river herring in New York. Please join us for training sessions in March! Continue Reading

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

Management Committee 2019 (1st Quarter) -

When: January 17, 2019 @ 9:00 am – 2:30 pm
Where: Beacon Hall, Housatonic Community College, 900 Lafayette Blvd, Bridgeport, CT 06604, USA

Due to the partial federal government shutdown, this meeting has been postponed. Check this web page for when it will…

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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