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 1,451–1,500 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 |
|---|---|---|---|
| Sudbury Reservoir | MA | Not Supporting | 3 |
| Sudden Lake | MI | Not Supporting | 1 |
| Sugar | MN | Not Supporting | 1 |
| Sugar | MN | Not Supporting | 1 |
| Sugar | MN | Not Supporting | 1 |
| Sugar Branch Lake-02050104005640 | PA | Fully Supporting | 0 |
| Sugar Brook Pond Dam | NH | Not Supporting | 1 |
| Sugar Camp Lake | WI | Not Supporting | 1 |
| Sugar Creek (Lake Martin) | AL | Not Supporting | 1 |
| Sugar Creek Lake | IL | Not Supporting | 1 |
| Sugar Creek Lake | MO | Fully Supporting | 0 |
| Sugar Hill | VT | Fully Supporting | 0 |
| Sugar Hollow | VT | Fully Supporting | 0 |
| Sugar Hollow Reservoir | VA | Not Supporting | 1 |
| Sugar Lake-05010004001661 | PA | Not Supporting | 1 |
| Sugar River | NH | Not Supporting | 1 |
| Sugar River | NH | Not Supporting | 1 |
| Sugar River | NH | Not Supporting | 2 |
| Sugar River | NH | Not Supporting | 1 |
| Sugar River | NH | Not Supporting | 4 |
| Sugar River | NH | Not Supporting | 1 |
| Sugar River - Door Mill Pond | NH | Not Supporting | 1 |
| Sugar River - Lower Village | NH | Not Supporting | 1 |
| Sugar River - Lower Village Dam | NH | Not Supporting | 1 |
| Sugar River - Recreation Pond | NH | Not Supporting | 1 |
| Sugar River - Ruger Hydro | NH | Not Supporting | 1 |
| Sugar River - Sugar River a Mill | NH | Not Supporting | 2 |
| Sugar River - Sugar River Foundry Dam | NH | Not Supporting | 1 |
| Sugar River - Wendall Marsh Dam | NH | Not Supporting | 1 |
| Sugarloaf Lake Waterloo Recreation Area Beach | MI | Not Supporting | 1 |
| Sugden Reservoir | MA | Not Supporting | 1 |
| Sukes | VT | Fully Supporting | 0 |
| Sullivan | MN | Not Supporting | 1 |
| Sullivan Lake | IL | Not Supporting | 2 |
| Sullivan Lake | WA | Not Supporting | 2 |
| Sully Lake | SD | Not Supporting | 1 |
| Summerhill Estate | IL | Not Supporting | 2 |
| Summersville Lake (a) | WV | Not Supporting | 1 |
| Summersville Lake (b) | WV | Not Supporting | 1 |
| Summersville Lake (c) | WV | Not Supporting | 1 |
| Summersville Lake (d) | WV | Not Supporting | 1 |
| Summersville Lake (e) | WV | Not Supporting | 1 |
| Summit Lake | NE | Not Supporting | 3 |
| Summit Lake | NY | Not Supporting | 1 |
| Summit Lake | SD | Not Supporting | 4 |
| Summit Lake | WA | Not Supporting | 1 |
| Summit Lake | WA | Not Supporting | 1 |
| Summit Lake | WI | Not Supporting | 1 |
| Summit Lake-02040106001158 | PA | Fully Supporting | 0 |
| Summit Reservoir. | CO | Not Supporting | 1 |
Source: EPA ATTAINS and USGS National Water Information System State Integrated Report assessment decisions + USGS daily values · 2026