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Region 1: EPA New England

"No Discharge Zones" in Connecticut

The "No Discharges Zones" in Connecticut are sensitive environmental resources. Find how long each designated zone has been a "No Discharge Zone" and locations of pumpout facilities there.

Map of No Discharge Zones in Long Island Sound, CT

2014 No Discharge Zones in Long Island Sound, Connecticut (PDF) (6 pp, 3.2 MB, about PDF)
This map should not be used as a navigation aid.

This page provides links to non-EPA web sites that provide additional information about "No Discharge Zones". You will leave the EPA.gov domain and enter another page with more information. EPA cannot attest to the accuracy of information on that non-EPA page. Providing links to a non-EPA Web site is not an endorsement of the other site or the information it contains by EPA or any of its employees. Also, be aware that the privacy protection provided on the EPA.gov domain (see Privacy and Security Notice) may not be available at the external link. Click icon for EPA disclaimer. 


Branford/Greenwich, CT

The Branford/Greenwich "No Discharge Zone" encompasses Branford harbor to Captain Harbor in Greenwich. It includes the coastal towns of Branford, East Haven, New Haven, West Haven, Orange, Milford, Stratford, Bridgeport, Fairfield, Westport, Norwalk, Darien, Stamford, and Greenwich. It also includes the navigable reach of all Connecticut rivers, tidal streams that drain into Long Island Sound within its bounds, including the Housatonic River from the Derby Dam and the Quinnipiac River from the southern border of North Haven.

The State of Connecticut has certified that there are 43 pumpout facilities located within the zone. The zone was designated June 15, 2007.

For a list of pumpouts please visit the Connecticut DEEP web site.

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Groton/Guilford, CT

Groton / Guilford "No Discharge Zone" in Connecticut encompasses Eastern Point in Groton to Hoadley Point in Guilford. It includes the coastal towns of New London, Waterford, East Lyme, Old Lyme, Old Saybrook, Westbrook, Clinton, Madison, and Guilford. It also includes the navigable reaches of the Hammonasset River, Menunketesuck River, Niantic River, Thames River and the Connecticut River within state boundaries.

The state of Connecticut has certified that there are 36 pumpout facilities located within the proposed zone. There are 29 fixed shore-based facilities, four portable, three pumpout boats, and ten dump stations. The zone was designated on May 12, 2006.

For a list of pumpouts please visit the Connecticut DEEP web site.

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Huntington-Northport, NY

The Huntington-Northport Bay "No Discharge Zone" in New York.

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Long Island Sound, NY

As of September 6, 2011 all of Long Island Sound are a "No Discharge Zone." The no discharge zone for the Long Island Sound includes the open waters, harbors, bays, and navigable tributaries of the Sound and portions of the East River from Hell Gate Bridge in the west to the northern bounds of Block Island in the east.

There are 68 pumpout facilities available to service vessels in the coastal water of New York. For more information including, where the pumpouts are located visit the New York State Department of Environmental Conservation (NYSDEC).

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Mamaroneck, NY

The Mamaroneck Harbor "No Discharge Zone" in New York.

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Mystic/Groton, CT

The Mystic/Groton "No Discharge Zone" in Connecticut encompasses the zone between Wamphassuc Point and Eastern Point, including portions of Fisher's Island Sound, Pine Island Bay, Backer Cove, Mumford Cove, West Cove, Mystic Harbor, Mystic River, Quiambog Cove, lower portions of the Poquommock River and lower portions of Palmer Cove in Connecticut.

The State of Connecticut has certified that there are 11 pumpout facilities located within the zone. The zone was designated on September 24, 2004.

For a list of pumpouts please visit the Connecticut DEEP web site.

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Peconic Bay, NY

The Peconic Bay "No Discharge Zone" in New York encompasses the towns of East Hampton, Riverhead, Shelter Island, Southampton, and Southold, and the Villages of Dering Harbor, Greenport, North Haven, and Sag Harbor. The state of New York has certified that there are 36 pumpout facilities.

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Port Jefferson, NY

Port Jefferson "No Discharge Zone" in New York.

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Stonnington, CT

The Stonnington "No Discharge Zone" in Connecticut encompasses the Connecticut portions of the Pawcatuck River, Little Narraganestt Bay, portions of Fisher Island Sound and all of Stonnington Harbor. The state of Connecticut has certified that there are three pumpout facilities located within this zone: Shoreside facilities are located at Dodson Boatyard and Northwest Marina. The third facility is a pumpout boat berthed at the Westerly Yacht Club. The zone was designated on August 22, 2003.

For a list of pumpouts please visit the Connecticut DEEP web site.

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