• 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

Summer camp students from the YWCA in New Britain, CT enjoying a day at the beach at Lighthouse Point Park, New Haven.
View Multimedia Gallery »

Ecosystem Targets

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

News Room

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

08.10.19

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

08.06.19

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

08.01.19

#DontTrashLISound Campaign - Break the #SingleUsePlastic Habit and Dont Trash LISound! 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

04.22.19

Long Island Sound Seafloor Habitats Mapping Website Available to Public - On Earth Day, EPA, LISS, and UConn's Department of Marine Sciences announced the publication of the Long Island Sound Habitat Mapping Initiative website. Continue Reading

Citizens Advisory Committee (3rd Quarter) -

When: September 12, 2019 all-day

 

Continue Reading

Habitat Restoration and Stewardship Workgroup (3rd Quarter) -

When: September 18, 2019 all-day
Where: Coogan Farm Nature & Heritage Center, 162 Greenmanville Ave, Mystic, CT 06355, USA

 

Continue Reading

Management Committee 2019 (4th Quarter) -

When: October 23, 2019 – October 24, 2019 all-day
Where: Danford's Hotel, Port Jefferson, NY 11777, USA

Agenda to come

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

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

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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