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 14,301–14,350 of 15,611
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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 |
|---|---|---|---|
| Trap Pond | DE | Not Supporting | 2 |
| Trapper Pond | NH | Not Supporting | 1 |
| Traverse | MN | Not Supporting | 1 |
| Tree Claim Lake (Crescent Lake NWR) | NE | Not Supporting | 1 |
| Tree Lake | WI | Fully Supporting | 0 |
| Trego Lake | WI | Not Supporting | 1 |
| Trenton Lake | ND | Fully Supporting | 0 |
| Tres Lagunas (Northeast) | NM | Not Supporting | 1 |
| Tresca Lake | FL | Not Supporting | 1 |
| Tri-County Lake | AR | Not Supporting | 1 |
| Triadelphia Reservoir | MD | Not Supporting | 2 |
| Trial Lake | UT | Not Supporting | 3 |
| Triangle | MN | Not Supporting | 1 |
| Triangle Lake | OR | Not Supporting | 1 |
| Trib to Calef Pond | NH | Not Supporting | 1 |
| Trib to Clark Brook | NH | Not Supporting | 1 |
| Trib to Cocheco River | NH | Not Supporting | 1 |
| Trib to Danbury Bog Marsh | NH | Not Supporting | 1 |
| Trib to Hampton Harbor | NH | Not Supporting | 1 |
| Trib to Knox Brook | NH | Not Supporting | 1 |
| Trib to Lower Swift River | NH | Not Supporting | 1 |
| Trib to Mendums Pond | NH | Not Supporting | 1 |
| Trib to Mill Brook Dam | NH | Not Supporting | 1 |
| Trib to Ossipee River | NH | Not Supporting | 1 |
| Trib to Ossipee River | NH | Not Supporting | 1 |
| Trib to Pennichuck Brook | NH | Not Supporting | 1 |
| Trib to Saco River | NH | Not Supporting | 1 |
| Trib to Saco River | NH | Not Supporting | 1 |
| Trib to Stony Brook | NH | Not Supporting | 1 |
| Trib to Stumpfield Marsh | NH | Not Supporting | 1 |
| Trillium | MN | Not Supporting | 1 |
| Trinidad Reservoir. | CO | Not Supporting | 3 |
| Trinity Lake (was Claire Engle Lake) | CA | Not Supporting | 1 |
| Triple Lakes | ID | Fully Supporting | 0 |
| Triplet Lake | FL | Fully Supporting | 0 |
| Tripp Lake (Trapp) | WI | Not Supporting | 1 |
| Tripp Lake-02050101002427 | PA | Fully Supporting | 0 |
| Tropic Reservoir | UT | Not Supporting | 1 |
| Troublesome Reservoir | VA | Not Supporting | 1 |
| Trout | MN | Not Supporting | 1 |
| Trout | MN | Not Supporting | 1 |
| Trout | MN | Not Supporting | 1 |
| Trout | MN | Not Supporting | 2 |
| Trout Brook | NJ | Not Supporting | 2 |
| Trout Brook / Lake Tranquility | NJ | Not Supporting | 5 |
| Trout Lake | FL | Fully Supporting | 0 |
| Trout Lake | FL | Not Supporting | 1 |
| Trout Lake | FL | Not Supporting | 4 |
| Trout Lake | MN | Fully Supporting | 0 |
| Trout Lake | WA | Not Supporting | 1 |
Source: EPA ATTAINS and USGS National Water Information System State Integrated Report assessment decisions + USGS daily values · 2026