The ID numbers coincide with the numerical placement of the red dots on the above map.
| System ID |
Name of Waterbody |
Name of Watershed |
| 0 |
Penikese Island Harbor |
Islands |
| 1 |
Duxbury Harbor |
South Coastal |
| 2 |
Plymouth Harbor/Eel River |
South Coastal |
| 3 |
Ellisville Harbor |
South Coastal |
| 4 |
Mt. Hope Bay/Taunton System/Parker River |
Narragansett Bay |
| 5 |
Westport River-East & West Branch |
Buzzards Bay |
| 6 |
Slocums River |
Buzzards Bay |
| 7 |
Little River |
Buzzards Bay |
| 8 |
Apponagansett Bay |
Buzzards Bay |
| 9 |
New Bedford Harbor (outer)/Clarks Cove |
Buzzards Bay |
| 10 |
Acushnet River/New Bedford Harbor (inner) |
Buzzards Bay |
| 11 |
Nasketucket Bay/Little Bay |
Buzzards Bay |
| 12 |
Mattapoisett Harbor/Eel Pond |
Buzzards Bay |
| 13 |
Aucoot Cove |
Buzzards Bay |
| 14 |
Sippican Harbor/Hammet Cove/Blankenship/Planting Island |
Buzzards Bay |
| 15 |
Weweantic River |
Buzzards Bay |
| 16 |
Wareham River System/Agawan River/Wankinco River/Broad Marsh |
Buzzards Bay |
| 17 |
Onset Bay/Shell PT Bay/Broad Cove |
Buzzards Bay |
| 18 |
Buttermilk & Little Buttermilk Bay |
Buzzards Bay |
| 19 |
Phinney's Harbor |
Cape Cod |
| 20 |
Back River/Eel River |
Cape Cod |
| 21 |
Pocasset River |
Cape Cod |
| 22 |
Pocasset Harbor/Hen Cove/Red Brook Harbor |
Cape Cod |
| 23 |
Megansett Harbor/ Squeteague |
Cape Cod |
| 24 |
Wild Harbor |
Cape Cod |
| 25 |
Rands Canal |
Cape Cod |
| 26 |
Fiddlers Cove |
Cape Cod |
| 27 |
West Falmouth Harbor |
Cape Cod |
| 28 |
Quissett Harbor |
Cape Cod |
| 29 |
Oyster Pond |
Cape Cod |
| 30 |
Salt Pond |
Cape Cod |
| 31 |
Falmouth Harbor |
Cape Cod |
| 32 |
Little Harbor |
Cape Cod |
| 33 |
Great/Perch Pond |
Cape Cod |
| 34 |
Green Pond |
Cape Cod |
| 35 |
Bournes Pond |
Cape Cod |
| 36 |
Eel River |
Cape Cod |
| 37 |
Waquoit Bay/Childs River |
Cape Cod |
| 38 |
Hamblin Pond/Jehu Pond/Quashnet River |
Cape Cod |
| 39 |
Popponesset Bay |
Cape Cod |
| 40 |
Rushy Marsh |
Cape Cod |
| 41 |
Three Bays |
Cape Cod |
| 42 |
East Bay/Centerville River/Halls Creek |
Cape Cod |
| 43 |
Lewis Bay/Hyannis Harbor/Snows Creek/Lewis Bay |
Cape Cod |
| 44 |
Bass River |
Cape Cod |
| 45 |
Saquatucket Harbor |
Cape Cod |
| 46 |
Allen Harbor |
Cape Cod |
| 47 |
Herring River |
Cape Cod |
| 48 |
Wychmere Harbor |
Cape Cod |
| 49 |
Swan Pond/River |
Cape Cod |
| 50 |
Taylors Pond |
Cape Cod |
| 51 |
Sulfur Spring/Bucks Creek |
Cape Cod |
| 52 |
Stage Harbor System |
Cape Cod |
| 53 |
Bassing Harbor/Ryders Cove/Frost Fish Creek |
Cape Cod |
| 54 |
Muddy Creek |
Cape Cod |
| 55 |
Upper Pleasant Bay |
Cape Cod |
| 56 |
Chatham Harbor |
Cape Cod |
| 57 |
Nauset Inlet System |
Cape Cod |
| 58 |
Sandwich Harbor |
Cape Cod |
| 59 |
Scorton Creek |
Cape Cod |
| 60 |
Barnstable Harbor/Great Marshes |
Cape Cod |
| 61 |
Sesuit Harbor |
Cape Cod |
| 62 |
Namskaket Creek |
Cape Cod |
| 63 |
Little Namskaket Creek |
Cape Cod |
| 64 |
Rock Harbor |
Cape Cod |
| 65 |
Wellfleet Harbor |
Cape Cod |
| 66 |
Pamet Harbor |
Cape Cod |
| 67 |
Provincetown Harbor |
Cape Cod |
| 68 |
Hatches Harbor |
Cape Cod |
| 69 |
Cuttyhunk Harbor |
Islands |
| 70 |
West End Pond Cuttyhunk |
Islands |
| 71 |
Edgartown Great Pond |
Islands |
| 72 |
Oyster Pond |
Islands |
| 73 |
Tisbury Great Pond |
Islands |
| 74 |
Chilmark Great Pond |
Islands |
| 75 |
Squibnocket Pond |
Islands |
| 76 |
Menemsha Pond |
Islands |
| 77 |
Tashmoo |
Islands |
| 78 |
Long Cove Pond |
Islands |
| 79 |
Lagoon Pond |
Islands |
| 80 |
Katuma Bay/Edgartown Harbor |
Islands |
| 81 |
Sengekontacket Pond/Trapper Pond/Majors Cove |
Islands |
| 82 |
Cape Pogue Pond/Pochet Pond/Calebs Pond |
Islands |
| 83 |
Black Point Pond |
Islands |
| 84 |
James Pond |
Islands |
| 85 |
Nantucket Harbor |
Islands |
| 86 |
Sesachacha Pond |
Islands |
| 87 |
Madaket Harbor |
Islands |
| 88 |
Long Pond |
Islands |
| 89 |
Hummock Pond |
Islands |