• 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

A flooded coastal road during a recent high tide in Old Saybrook. Photo credit: Judy Preston/CT Sea Grant  
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

11.14.19

Sound Bytes Fall 2019 - Read the Fall 2019 issue of Sound Bytes. Download the Fall 2019 issue as a PDF here. Continue Reading

11.04.19

$2.6 Million in Grants Awarded to Improve the Health of Long Island Sound - Top federal and state environmental officials from New England and New York announced 35 grants totaling $2.6 million. Continue Reading

09.18.19

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

09.10.19

Celebrate National Estuary Day in Oyster Bay - On Saturday, September 14, 2019 the Long Island Sound Study (LISS), in partnership with The WaterFront Center, will host the 2nd annual Estuary Day in Oyster Bay, NY to kick-off National Estuary Week. Continue Reading

08.22.19

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

Science and Technical Advisory Committee 2020 (1st Quarter) -

When: March 6, 2020 @ 9:15 am – 2:30 pm
Where: UConn Avery Point campus, 1084 Shennecossett Rd, Groton, CT 06340

Agenda will be posted closer to the meeting date.

Continue Reading

Habitat Restoration and Stewardship Work Group 2020 (1st Quarter) -

When: March 4, 2020 @ 9:15 am – 2:30 pm
Where: Fort Trumbull State Park conference room, 90 Walbach St; New London, CT

Agenda will be posted soon.

Continue Reading

Citizens Advisory Committee 2020 (1st Quarter) -

When: March 12, 2020 all-day
Where: tbd

 

Continue Reading

11.14.19

Sound Bytes Fall 2019 - Read the Fall 2019 issue of Sound Bytes. Download the Fall 2019 issue as a PDF here. Continue Reading

10.21.19

Year in Review 2018 - The latest issue of Sound Update focuses on Long Island Sound Study’s Year in Review of 2018. Continue Reading

05.23.19

Sound Bytes Spring 2019 - Read the Spring 2019 issue of Sound Bytes. Download the Spring 2019 issue as a PDF here. Continue Reading

02.28.19

Sound Bytes Winter 2019 - Read the Winter 2019 issue of Sound Bytes. Download the Winter 2019 issue as a PDF here. 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

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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