Browse lakes and reservoirs
Named lake-type waterbodies with a populated record: assessment verdicts, listed impairment causes, or a linked USGS gauge. Data updated 2026-08-17.
Waterbodies
Showing 1,151–1,200 of 1,686 starting with S
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All New Hampshire 2,233 Minnesota 1,939 Wisconsin 1,219 Florida 973 Michigan 776 Vermont 712 Massachusetts 678 New Jersey 588 South Carolina 473 Illinois 439 New York 428 Washington 385 Texas 323 Kansas 304 Maine 302 Alabama 263 Nebraska 250 Pennsylvania 246 California 195 Virginia 193 Idaho 186 South Dakota 176 North Dakota 174 Oklahoma 173 Missouri 170 Iowa 167 Oregon 167 Indiana 162 Rhode Island 126 Colorado 122 Kentucky 108 Georgia 98 Connecticut 97 North Carolina 92 Utah 84 Louisiana 74 Tennessee 73 Arkansas 69 New Mexico 58 Montana 52 Nevada 50 Delaware 46 Arizona 44 West Virginia 44 Maryland 37 Mississippi 14 Alaska 12 Wyoming 8 Ohio 7 Hawaii 2
| Waterbody | State | Status | Causes |
|---|---|---|---|
| Squam Lake - Camp Deerwood Beach | NH | Not Supporting | 1 |
| Squam Lake - Camp Hale Beach | NH | Not Supporting | 1 |
| Squam Lake - Livermore Beach | NH | Not Supporting | 1 |
| Squam Lake - Moon Island South Beach | NH | Not Supporting | 1 |
| Squam Lake - Wister Point East Beach | NH | Not Supporting | 1 |
| Squam Lake - Wister Point West Beach | NH | Not Supporting | 1 |
| Squam Lake-Town Beach | NH | Not Supporting | 1 |
| Squam River - Ashland Paper Mill Middle Dam | NH | Not Supporting | 1 |
| Squam River - L W Packard Power Dam | NH | Not Supporting | 1 |
| Squantz Pond (New Fairfield/Sherman) | CT | Fully Supporting | 0 |
| Square | MN | Not Supporting | 1 |
| Square | MN | Not Supporting | 1 |
| Square Lake | WA | Not Supporting | 1 |
| Squash Lake | WI | Fully Supporting | 0 |
| Squaw Creek Reservoir | NV | Not Supporting | 3 |
| Squaw Lake | MI | Fully Supporting | 0 |
| Squirrel Lake | WI | Fully Supporting | 0 |
| Sru Lake | OR | Not Supporting | 1 |
| St Croix Flowage | WI | Not Supporting | 1 |
| St Elmo New (Nellie) | IL | Not Supporting | 1 |
| St Johns River Above Black Creek | FL | Not Supporting | 3 |
| St Johns River Above Doctors Lake | FL | Not Supporting | 3 |
| St Johns River Above Federal Point | FL | Not Supporting | 3 |
| St Johns River Above Julington Creek | FL | Not Supporting | 3 |
| St Johns River Above Lake Poinsett | FL | Not Supporting | 3 |
| St Johns River Above Lake Winder | FL | Not Supporting | 4 |
| St Johns River Above Palmo Creek | FL | Not Supporting | 3 |
| St Johns River Above Puzzle Lake | FL | Not Supporting | 3 |
| St Johns River Above Sawgrass Lake | FL | Not Supporting | 3 |
| St Johns River Above Tocoi | FL | Not Supporting | 4 |
| St Johns River Below Lake Dexter | FL | Not Supporting | 2 |
| St Louis Bay | MN | Not Supporting | 8 |
| St-024 | SC | Not Supporting | 1 |
| St-025 | SC | Not Supporting | 1 |
| St-032 | SC | Not Supporting | 1 |
| St-033 | SC | Not Supporting | 1 |
| St-034 | SC | Not Supporting | 1 |
| St-036 | SC | Fully Supporting | 0 |
| St-037 | SC | Not Supporting | 1 |
| St. Anna | MN | Not Supporting | 1 |
| St. Catherine | MN | Not Supporting | 1 |
| St. Catherine | VT | Not Supporting | 3 |
| St. Catherine | VT | Fully Supporting | 0 |
| St. Clair | MN | Not Supporting | 1 |
| St. Clair Lake | WA | Not Supporting | 2 |
| St. Croix | MN | Not Supporting | 4 |
| St. Croix Lake | ME | Fully Supporting | 0 |
| St. Croix Lake | ME | Fully Supporting | 0 |
| St. Croix River (2) at Spednick Falls | ME | Fully Supporting | 0 |
| St. Croix River (3) at Grand Falls | ME | Fully Supporting | 0 |
Source: EPA ATTAINS and USGS National Water Information System State Integrated Report assessment decisions + USGS daily values · 2026