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 1,101–1,150 of 1,219
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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 |
|---|---|---|---|
| Tozer Lake | WI | Fully Supporting | 0 |
| Tree Lake | WI | Fully Supporting | 0 |
| Trego Lake | WI | Not Supporting | 1 |
| Tripp Lake (Trapp) | WI | Not Supporting | 1 |
| Trout Lake | WI | Fully Supporting | 0 |
| Trow Lake (L Merrillan Pond) | WI | Not Supporting | 1 |
| Trude Lake | WI | Not Supporting | 1 |
| Tug Lake | WI | Not Supporting | 1 |
| Tuma Lake | WI | Fully Supporting | 0 |
| Turner Lake | WI | Not Supporting | 1 |
| Turtle Flambeau Flowage | WI | Not Supporting | 2 |
| Turtle Lake | WI | Fully Supporting | 0 |
| Tuttle Lake | WI | Fully Supporting | 0 |
| Twin Bear Lake | WI | Fully Supporting | 0 |
| Twin Falls Flowage | WI | Not Supporting | 1 |
| Twin Lake | WI | Fully Supporting | 0 |
| Twin Lakes | WI | Not Supporting | 1 |
| Twin Lakes | WI | Fully Supporting | 0 |
| Twin Lakes | WI | Not Supporting | 1 |
| Twin Lakes | WI | Not Supporting | 1 |
| Twin Lakes | WI | Fully Supporting | 0 |
| Twin Lakes | WI | Not Supporting | 1 |
| Twin Lakes | WI | Not Supporting | 2 |
| Twin Lakes (North) | WI | Fully Supporting | 0 |
| Twin Lakes (South) | WI | Not Supporting | 1 |
| Twin Valley Lake | WI | Not Supporting | 1 |
| Two Axe Lake | WI | Fully Supporting | 0 |
| Two Island Lake | WI | Fully Supporting | 0 |
| Two Sisters Lake | WI | Fully Supporting | 0 |
| Underwood Lake | WI | Fully Supporting | 0 |
| Upper Buckatabon Lake | WI | Not Supporting | 1 |
| Upper Eau Claire Lake | WI | Fully Supporting | 0 |
| Upper Gresham Lake | WI | Fully Supporting | 0 |
| Upper Holly Lake | WI | Not Supporting | 1 |
| Upper Kaubashine Lake | WI | Fully Supporting | 0 |
| Upper Kelly Lake | WI | Not Supporting | 1 |
| Upper Kimball Lake | WI | Fully Supporting | 0 |
| Upper Lake Park Beach, Lake Michigan | WI | Not Supporting | 1 |
| Upper Mud Lake | WI | Not Supporting | 1 |
| Upper Nemahbin Lake | WI | Fully Supporting | 0 |
| Upper Post Lake | WI | Not Supporting | 1 |
| Upper Red Lake | WI | Fully Supporting | 0 |
| Upper Saint Croix Lake | WI | Fully Supporting | 0 |
| Upper Springstead Lake | WI | Fully Supporting | 0 |
| Upper Turtle Lake | WI | Not Supporting | 1 |
| Upper Vermillion Lake | WI | Not Supporting | 1 |
| Upson Lake | WI | Fully Supporting | 0 |
| Van Vliet Lake | WI | Fully Supporting | 0 |
| Van Zile Lake | WI | Not Supporting | 1 |
| Velvet Lake | WI | Fully Supporting | 0 |
Source: EPA ATTAINS and USGS National Water Information System State Integrated Report assessment decisions + USGS daily values · 2026