Conn. Agencies Regs. § 26-108-1
The following lines across streams flowing into Long Island Sound, Fisher's Island Sound, Little Narragansett Bay and tributaries thereof shall be known as the inland-marine demarcation lines above which lines such water shall be known as the "inland district" and below which lines such water shall be known as the "marine district":
FAIRFIELD COUNTY
Byram River, Greenwich
marine district - up to and including the railroad crossing
inland district - all waters above
Horse Neck Brook, Greenwich
marine district - none
inland district - above junction with mouth of harbor
Indian Harbor, Greenwich
marine district - up to and including the first railroad crossing
inland district - all waters above
Mianus River, Greenwich
marine district - below dam just above Boston Post Road
inland district - all waters above
Rippowam River, Stamford
marine district - up to and including the first railroad crossing
inland district - all waters above
Noroton River, Stamford-Darien
marine district - up to and including Boston Post Road
inland district - all waters above
Goodwives River, Darien
marine district - below Stone Dam north of Goodwives River Road
inland district - all waters above
Tokeneke Brook, Darien
marine district - up to and including Old Farm Road
inland district - all waters above
Five Mile River, Darien-Norwalk
marine district - up to and including bridge on route 136
inland district - all waters above
Norwalk River, Norwalk
marine district - up to and including Wall Street Bridge
inland district - all waters above
Saugatuck River, Westport
marine district - up to and including bridge on King's Highway
inland district - all waters above
Stony Brook, Westport
marine district - up to and including bridge on Riverside Avenue
inland district - all waters above
Muddy Brook, Westport
marine district - up to and including Stone Bridge on route 136
inland district - all waters above
Sasco Brook, Westport
marine district - below Buckleys Mill Dam just above route 1
inland district - all waters above
Mill River, Fairfield
marine district - below dam at head of Southport Harbor, Harbor Road
inland district - all waters above
Rooster River, Bridgeport
marine district - up to and including bridge on North Avenue
inland district - all waters above
Pequonnock River, Bridgeport
marine district - up to North Avenue (route 1)
inland district - all waters above
Bruces Brook, Bridgeport-Stratford
marine district - up to Stratford Avenue
inland district - all waters above
Pumpkin Ground Brook, Stratford
marine district - up to and including bridge on route 110
inland district - all waters above
Negro Brook, Stratford
marine district - up to and including bridge on route 110
inland district - all waters above
NEW HAVEN COUNTY
Wepawaug River, Milford
marine district - below Memorial Bridge at Fowler's Mill on route 122
inland district - all waters above
Indian River, Milford
marine district - up to and including route 122
inland district - all waters above
Oyster River, Milford
marine district - up to and including Shore Road, route 122
inland district - all waters above
Cove River, West Haven
marine district - up to and including Shore Road, route 122
inland district - all waters above
West River, West Haven
marine district - below the tide gates at Orange Avenue Bridge (sometimes called
Congress Avenue Bridge, route 1)
inland district - all waters above
Mill River, New Haven
marine district - up to and including below tide gates at State Street Bridge
inland district - all waters above
Quinnipiac River, New Haven
marine district - up to and including interstate route 91
inland district - all waters above
Farm River, East Haven (sometimes called East River)
marine district - up to and including route 142
inland district - all waters above
Branford River, Branford
marine district - up to and including Montowese Street Bridge
inland district - all waters above
West River, Guilford
marine district - up to and including route 146 bridge
inland district - all waters above
East Creek, Guilford
marine district - up to and including tide gates at Guilford dock
inland district - all waters above
East River, Madison-Guilford
marine district - up to and including route 1
inland district - all waters above
Neck River, Madison
marine district - up to and including route 1
inland district - all waters above
Hammonassett River, Madison
marine district - up to and including route 1
inland district - all waters above
MIDDLESEX COUNTY
Hammonassett River, Clinton
marine district - up to and including route 1
inland district - all waters above
Clinton River, Clinton (also known as Indian River)
marine district - up to and including route 1
inland district - all waters above
Menunketesuck River, Westbrook
marine district - up to and including route 1
inland district - all waters above
Patchogue River, Westbrook
marine district - up to and including route 1
inland district - all waters above
Oyster River, Old Saybrook
marine district - up to and including route 1
inland district - all waters above
Black River, Old Saybrook
entirely in marine district
Connecticut River, Old Saybrook
marine district - up to and including interstate route 95
inland district - all waters above
NEW LONDON COUNTY
Connecticut River, Old Lyme
marine district - up to and including interstate route 95
inland district - all waters above
Lieutenant River, Old Lyme
marine district - up to and including route 156
inland district - all waters above
Duck River, Old Lyme
entirely in marine district
Blackhall River, Old Lyme
marine district - up to and including route 156
inland district - all waters above
Mile Creek, Old Lyme
entirely in marine district
Three Mile River, Old Lyme
marine district - up to and including first railroad crossing
inland district - all waters above
Four Mile River, Old Lyme-East Lyme
marine district - up to and including first railroad crossing
inland district - all waters above
Bride's Brook, East Lyme
marine district - up to and including first railroad crossing
inland district - all waters above
Pataganset Cove, East Lyme
marine district - up to and including first railroad crossing
inland district - all waters above
Graniteville Brook, Waterford (also known as Millstone Brook)
marine district - up to and including first railroad crossing
inland district - all waters above
Jordan's Cove, Waterford
marine district - up to and including first railroad crossing
inland district - all water above
Hammond's Cove, Waterford
entirely in marine district
Alewife Cove, Waterford-New London
entirely in marine district
Shaws Cove, New London
entirely in marine district
Winthrop Cove, New London
entirely in marine district
Conn. Agencies Regs. § 26-108-1