Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Tully River Dam | Dam | 191 | Worcester | 42 38 18 N | 072 13 40 W |
| Turner Dam | Dam | 58 | Middlesex | 42 40 30 N | 071 34 58 W |
| Turner Park Dam | Dam | 67 | Hampden | 42 03 12 N | 072 32 28 W |
| Turner Pond Dam | Dam | 22 | Bristol | 41 40 42 N | 070 58 34 W |
| Turner Pond Dam | Dam | 60 | Norfolk | 42 09 06 N | 071 16 10 W |
| Turner Pond Dam | Dam | 25 | Plymouth | 42 10 24 N | 070 47 10 W |
| Turner Pond on High Hill Road Dam | Dam | 20 | Bristol | 41 40 48 N | 070 58 40 W |
| Turners Falls Canal Headgates | Dam | 61 | Franklin | 42 36 36 N | 072 33 10 W |
| Turners Falls Dam | Dam | 61 | Franklin | 42 36 36 N | 072 33 04 W |
| Turners Falls Number 1 Dam | Dam | 49 | Franklin | 42 36 24 N | 072 33 46 W |
| Tuxbury Pond Outlet Dam | Dam | 28 | Essex | 42 51 42 N | 070 59 04 W |
| United Cape Cod Cranberry Company Dam Number 2 | Dam | 20 | Plymouth | 41 57 36 N | 070 48 10 W |
| United Cape Cod Cranberry Company Number 1 | Dam | 20 | Plymouth | 41 57 42 N | 070 48 10 W |
| Upper Banjo Pond Dam | Dam | 29 | Essex | 42 36 46 N | 070 41 32 W |
| Upper Bemis Pond Dam | Dam | 40 | Hampden | 42 08 42 N | 072 35 22 W |
| Upper Chandler Pond Dam | Dam | 36 | Plymouth | 42 02 30 N | 070 46 04 W |
| Upper Crow Hills Pond Dam | Dam | 264 | Worcester | 42 31 06 N | 071 51 16 W |
| Upper Flannagan Pond Dam | Dam | 87 | Middlesex | 42 33 42 N | 071 34 28 W |
| Upper Flint Pond Dam | Dam | 41 | Middlesex | 42 40 30 N | 071 25 28 W |
| Upper Long Pond Dam | Dam | 89 | Middlesex | 42 33 54 N | 071 32 40 W |
| Upper Lynde Basin Dam | Dam | 173 | Worcester | 42 28 18 N | 071 46 40 W |
| Upper Millpond Dam | Dam | 15 | Essex | 42 42 30 N | 070 56 28 W |
| Upper Mystic Lake Dam | Dam | 0 | Middlesex | 42 25 48 N | 071 08 52 W |
| Upper Naukeag Lake Dam | Dam | 343 | Worcester | 42 39 36 N | 071 56 16 W |
| Upper Pawtucket Canal Dam | Dam | 31 | Middlesex | 42 38 36 N | 071 18 52 W |
| Upper Porter Pond Dam | Dam | 58 | Plymouth | 42 06 06 N | 071 02 34 W |
| Upper Reservoir Dam | Dam | 320 | Berkshire | 42 41 24 N | 073 07 16 W |
| Upper Reservoir Dam | Dam | 327 | Worcester | 42 32 18 N | 071 57 58 W |
| Upper Spectacle Pond Dam | Dam | 455 | Berkshire | 42 10 36 N | 073 07 04 W |
| Upper Stoneville Reservoir Dam | Dam | 171 | Worcester | 42 12 36 N | 071 51 28 W |
| Upper Tucker Pond Dam | Dam | 139 | Worcester | 42 06 00 N | 071 44 58 W |
| Upper Westboro Reservoir Dam | Dam | 136 | Worcester | 42 14 30 N | 071 36 16 W |
| Uppper Reservoir Dam | Dam | 503 | Franklin | 42 32 24 N | 072 49 16 W |
| Van Horn Park Lower Dam | Dam | 52 | Hampden | 42 07 30 N | 072 35 52 W |
| Van Horn Park Upper Dam | Dam | 61 | Hampden | 42 07 36 N | 072 35 40 W |
| Victory Lake Dam | Dam | 315 | Hampden | 42 02 36 N | 073 01 34 W |
| Vinica Pond Dam | Dam | 295 | Hampden | 42 03 05 N | 072 14 48 W |
| Vistron Dam | Dam | 75 | Hampshire | 42 19 48 N | 072 40 34 W |
| W D Cheney Dam | Dam | 225 | Hampden | 42 09 36 N | 072 08 22 W |
| Waban Hill Reservoir Dam | Dam | 83 | Middlesex | 42 20 17 N | 071 10 34 W |
| Wachusett Reservoir Dam | Dam | 283 | Worcester | 42 30 48 N | 071 52 58 W |
| Wade Pond Dam | Dam | 71 | Hampden | 42 12 48 N | 072 31 28 W |
| Wading River Dam | Dam | 36 | Bristol | 41 59 18 N | 071 15 16 W |
| Waite Pond Dam | Dam | 262 | Worcester | 42 14 54 N | 071 53 16 W |
| Waite Pond Dam | Dam | 314 | Worcester | 42 30 42 N | 071 58 58 W |
| Walden Pond East End Dam | Dam | 37 | Essex | 42 29 36 N | 070 58 40 W |
| Walden Pond Outlet Dam | Dam | 27 | Essex | 42 29 36 N | 071 00 28 W |
| Waldo Lake Dam | Dam | 53 | Plymouth | 42 06 18 N | 071 02 52 W |
| Wallace Pond Dam (historical) | Dam | 219 | Worcester | 42 03 30 N | 072 06 40 W |
| Wallace Pond Outlet Dam | Dam | 27 | Essex | 42 36 30 N | 070 42 22 W |
| Wallis Pond Dam | Dam | 158 | Worcester | 42 03 48 N | 071 54 28 W |
| Wamesit Power Company Dam | Dam | 32 | Middlesex | 42 37 48 N | 071 17 52 W |
| Wampatuck Pond Dam | Dam | 19 | Plymouth | 42 03 54 N | 070 51 52 W |
| Wankinco River Dam Number One | Dam | 30 | Plymouth | 41 49 24 N | 070 42 28 W |
| Wankinco River Dam Number Two | Dam | 13 | Plymouth | 41 48 30 N | 070 42 58 W |
| Wards Pond Dam | Dam | 408 | Hampden | 42 07 00 N | 073 03 04 W |
| Ware Industries Main Upper Dam | Dam | 144 | Hampshire | 42 15 42 N | 072 14 04 W |
| Ware River Dam | Dam | 107 | Hampden | 42 11 18 N | 072 19 28 W |
| Ware River Dam | Dam | 111 | Hampden | 42 11 24 N | 072 19 52 W |
| Warners Pond Dam | Dam | 36 | Middlesex | 42 27 30 N | 071 23 52 W |
| Warren Reservoir Dam | Dam | 21 | Bristol | 41 45 55 N | 071 13 48 W |
| Warren Upper Reservoir Dam | Dam | 28 | Bristol | 41 49 54 N | 071 13 22 W |
| Watershops Pond Dam | Dam | 49 | Hampden | 42 05 48 N | 072 33 46 W |
| Waterville Dam | Dam | 40 | Plymouth | 41 55 00 N | 070 50 10 W |
| Watson Pond Dam | Dam | 467 | Berkshire | 42 13 18 N | 073 02 40 W |
| Watson Road Dam | Dam | 522 | Berkshire | 42 27 00 N | 072 59 58 W |
| Wax Factory Pond Dam | Dam | 239 | Worcester | 42 28 30 N | 072 04 34 W |
| Wedge Pond Dam | Dam | 6 | Middlesex | 42 27 18 N | 071 08 04 W |
| Wenworth Farm Dam | Dam | 203 | Hampden | 42 04 48 N | 072 22 40 W |
| West Hill Dam | Dam | 79 | Worcester | 42 06 23 N | 071 36 05 W |
| West Hill Dam | Dam | 72 | Worcester | 42 06 18 N | 071 36 16 W |
| West Lake Dam | Dam | 481 | Berkshire | 42 07 45 N | 073 09 38 W |
| West Main Street Dam | Dam | 70 | Worcester | 42 33 06 N | 071 37 10 W |
| West Meadow Brook Dam | Dam | 27 | Plymouth | 42 02 06 N | 071 02 16 W |
| West Medway Dam | Dam | 53 | Norfolk | 42 08 18 N | 071 25 28 W |
| West Parish Filter Number One Dam | Dam | 129 | Hampden | 42 07 06 N | 072 49 46 W |
| West Parish Filter Number Three Dam | Dam | 151 | Hampden | 42 07 06 N | 072 50 04 W |
| West Parish Filter Number Two Dam | Dam | 137 | Hampden | 42 07 06 N | 072 49 40 W |
| West Pond Outlet Dam | Dam | 22 | Essex | 42 34 42 N | 070 42 28 W |
| West River Pond Dam | Dam | 138 | Worcester | 42 06 54 N | 071 34 28 W |
| West Springfield Fish and Game Club Dam | Dam | 55 | Hampden | 42 03 48 N | 072 38 58 W |
| West Warren Mill Pond Dam | Dam | 160 | Worcester | 42 12 42 N | 072 13 58 W |
| Western Mass Electric Dam | Dam | 69 | Hampden | 42 09 24 N | 072 28 58 W |
| Westfield Reservoir Dam | Dam | 291 | Hampden | 42 11 24 N | 072 48 43 W |
| Westfield River Paper Company Dam | Dam | 87 | Hampden | 42 11 18 N | 072 50 58 W |
| Westfield Sportsmen Club Dam | Dam | 73 | Hampden | 42 09 00 N | 072 45 52 W |
| Westford Depot Dam | Dam | 55 | Middlesex | 42 35 48 N | 071 26 04 W |
| Westminster Reservoir Dam | Dam | 252 | Worcester | 42 35 30 N | 071 54 34 W |
| Westville Dam | Dam | 173 | Worcester | 42 04 54 N | 072 03 28 W |
| Wetmore Pond Dam | Dam | 281 | Worcester | 42 36 24 N | 072 06 34 W |
| Wetstone Tobacco Company Dam Number 3 | Dam | 56 | Hampden | 42 02 06 N | 072 31 40 W |
| Weymouth Great Pond Dam | Dam | 51 | Norfolk | 42 10 06 N | 070 57 58 W |
| Wheeler Pond Dam | Dam | 208 | Hampden | 42 07 06 N | 072 12 28 W |
| Wheelers Pond Dam | Dam | 202 | Franklin | 42 37 06 N | 072 19 28 W |
| Whipple Reservoir Dam | Dam | 30 | Plymouth | 41 54 24 N | 070 36 22 W |
| White Island Pond Dam | Dam | 9 | Plymouth | 41 48 18 N | 070 37 10 W |
| White Lily Pond Dam | Dam | 471 | Berkshire | 42 13 18 N | 073 02 22 W |
| White Pond Dam | Dam | 130 | Worcester | 42 30 54 N | 071 43 10 W |
| White Pond Dam | Dam | 176 | Worcester | 42 33 00 N | 072 15 46 W |
| White Reservoir Dam | Dam | 241 | Hampshire | 42 15 18 N | 072 47 16 W |
| Whitehall Reservoir Dam | Dam | 110 | Middlesex | 42 14 00 N | 071 33 58 W |
| Whites Mill Pond Dam | Dam | 308 | Worcester | 42 41 36 N | 072 00 52 W |
| Whites Pond Dam | Dam | 258 | Franklin | 42 38 24 N | 072 15 58 W |
| Whitin Pond Dam | Dam | 81 | Worcester | 42 05 36 N | 071 38 04 W |
| Whitin Reservoir Dam | Dam | 180 | Worcester | 42 04 18 N | 071 45 28 W |
| Whiting Pond Dam | Dam | 57 | Bristol | 41 59 40 N | 071 20 08 W |
| Whiting Street Pond Dam | Dam | 112 | Hampden | 42 14 24 N | 072 38 04 W |
| Whitmans Pond Dam | Dam | 21 | Norfolk | 42 12 36 N | 070 55 46 W |
| Whitmore Pond Dam | Dam | 73 | Franklin | 42 30 18 N | 072 33 16 W |
| Whitney Pond Dam | Dam | 295 | Worcester | 42 41 00 N | 072 02 28 W |