| Weir Village North Pond | MA | Lake, Freshwater | Not Supporting | 1 | 17 |
| Welcome Lake | WA | Lake/Reservoir/Pond | Not Supporting | 1 | 16 |
| Weldon Brook/Beaver Brook | NJ | Lake | Not Supporting | 2 | 13 |
| Weldon Springs | IL | Lake, Freshwater | Not Supporting | 5 | 29 |
| Wellfleet Lake | NE | Lake | Not Supporting | 1 | 46 |
| Wellington Lake | KS | Lake | Not Supporting | 3 | 349 |
| Wellington New City Lake | KS | Lake | Not Supporting | 1 | 670 |
| Wellman Pond | NH | Lake/Reservoir/Pond | Not Supporting | 1 | 28 |
| Wells | MN | Lake, Freshwater | Not Supporting | 2 | 691 |
| Wells Lake | MI | Lake, Freshwater | Not Supporting | 1 | 48 |
| Welsh Pond | MA | Lake, Freshwater | Not Supporting | 4 | 8.00 |
| Wenham Lake | MA | Lake, Freshwater | Not Supporting | 2 | 243 |
| Wenscott Reservoir (Twin Rivers) | RI | Lake, Freshwater | Not Supporting | 1 | 83 |
| Weoka Creek (Jordan Lake) | AL | Reservoir Embayment | Fully Supporting | 0 | 359 |
| Wequaquet Lake | MA | Lake, Freshwater | Not Supporting | 3 | 577 |
| Werhane Lake | IL | Lake, Freshwater | Not Supporting | 3 | 15 |
| Wes Watkins Reservoir | OK | Lake, Freshwater | Not Supporting | 1 | 1,132 |
| Wes Watkins Reservoir Site 1 | OK | Reservoir | Not Supporting | 2 | Filed as 0 |
| Wes Watkins Reservoir Site 2 | OK | Reservoir | Not Supporting | 2 | Filed as 0 |
| Wes Watkins Reservoir Site 3 | OK | Reservoir | Not Supporting | 3 | Filed as 0 |
| Wescott Lake | WI | Lake, Freshwater | Fully Supporting | 0 | 40 |
| Wesslyn Cut | IL | Lake, Freshwater | Not Supporting | 2 | 24 |
| West Alaska Lake | WI | Lake, Freshwater | Fully Supporting | 0 | 27 |
| West Arroda Lake | ND | Reservoir | Fully Supporting | 0 | 24 |
| West Auburn | MN | Lake, Freshwater | Not Supporting | 1 | 138 |
| West Battle | MN | Lake, Freshwater | Not Supporting | 1 | 5,516 |
| West Bay Lake | WI | Lake, Freshwater | Fully Supporting | 0 | 417 |
| West Brady Lake (WMA) | NE | Lake | Not Supporting | 1 | 7.00 |
| West Branch Lakes | MI | Lake, Freshwater | Not Supporting | 1 | 72 |
| West Branch Mattawamkeag River | ME | Lake, Freshwater | Fully Supporting | 0 | 129 |
| West Branch Mattawamkeag River | ME | Lake, Freshwater | Fully Supporting | 0 | 5,218 |
| West Branch Penobscot River (3) | ME | Lake, Freshwater | Fully Supporting | 0 | 8.00 |
| West Branch Penobscot River (3) | ME | Lake, Freshwater | Fully Supporting | 0 | 25,876 |
| West Branch Penobscot River (4) | ME | Lake, Freshwater | Fully Supporting | 0 | 12,365 |
| West Branch Penobscot River (4) | ME | Lake, Freshwater | Fully Supporting | 0 | 554 |
| WEST Branch Penobscot River at Chesuncook Lake | ME | Lake, Freshwater | Fully Supporting | 0 | 5,473 |
| WEST Branch Penobscot River at Chesuncook Lake | ME | Lake, Freshwater | Fully Supporting | 0 | 22 |
| West Branch Reservoir | NY | Lake/Reservoir/Pond | Not Supporting | 2 | 696 |
| West Branch Reservoir (Colebrook/Hartland) | CT | Lake, Freshwater | Fully Supporting | 0 | 202 |
| West Branch Upper Ammonoosuc River - West Branch Dam | NH | Impoundment | Not Supporting | 1 | 0.50 |
| West Branch Village Brook - Williams Pond Dam | NH | Impoundment | Not Supporting | 1 | 2.00 |
| West Branch Warner River | NH | Impoundment | Not Supporting | 1 | 0.30 |
| West Branch Warner River - West Branch | NH | Impoundment | Not Supporting | 1 | 0.30 |
| West Brook/Burnt Meadow Brook | NJ | Lake | Not Supporting | 3 | 108 |
| West Chub | MN | Lake, Freshwater | Not Supporting | 1 | 114 |
| West Ck (above Rt 550) | NJ | Lake | Fully Supporting | 0 | 8.87 |
| West Ck (below PaperMillRd) to MooresBch | NJ | Lake | Not Supporting | 2 | 0.05 |
| West Ck (Paper Mill Rd to Rt 550) | NJ | Lake | Not Supporting | 1 | 110 |
| West Clearwater Lake | FL | Lake, Freshwater | Fully Supporting | 0 | 24 |
| West Crooked | MN | Lake, Freshwater | Not Supporting | 1 | 245 |