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 12,001–12,050 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 |
|---|---|---|---|
| Rock | MN | Not Supporting | 1 |
| Rock | MN | Not Supporting | 2 |
| Rock Brook (below Camp Meeting Ave) | NJ | Not Supporting | 1 |
| Rock Creek (Smith Lake) | AL | Not Supporting | 1 |
| Rock Creek (Smith Lake) | AL | Fully Supporting | 0 |
| Rock Creek Lake | IA | Not Supporting | 2 |
| Rock Creek Lake | KS | Not Supporting | 2 |
| Rock Creek Lake | OK | Not Supporting | 1 |
| Rock Creek Lake (SRA) | NE | Fully Supporting | 0 |
| Rock Creek Lakes | ID | Fully Supporting | 0 |
| Rock Dam Lake | WI | Not Supporting | 1 |
| Rock Hill Pond-02040104002410 | PA | Fully Supporting | 0 |
| Rock Lake | FL | Fully Supporting | 0 |
| Rock Lake | FL | Fully Supporting | 0 |
| Rock Lake | FL | Fully Supporting | 0 |
| Rock Lake | MI | Not Supporting | 1 |
| Rock Lake | NY | Not Supporting | 1 |
| Rock Lake | WA | Not Supporting | 1 |
| Rock Lake | WI | Fully Supporting | 0 |
| Rock Lake | WI | Fully Supporting | 0 |
| Rock Lake | WI | Fully Supporting | 0 |
| Rock Pond | MA | Not Supporting | 1 |
| Rock Pond | NH | Not Supporting | 1 |
| Rock Pond | NH | Not Supporting | 1 |
| Rock Pond | NY | Not Supporting | 2 |
| Rock Pond | NY | Not Supporting | 1 |
| Rock Run Rookery | IL | Not Supporting | 1 |
| Rockaway Ck (below McCrea Mills) | NJ | Not Supporting | 4 |
| Rockaway Ck SB | NJ | Not Supporting | 5 |
| Rockaway R (74d 33m 30s to Stephens Bk) | NJ | Not Supporting | 2 |
| Rockaway R (above Longwood Lake outlet) | NJ | Not Supporting | 4 |
| Rockaway R (BM 534 brdg to 74d 33m 30s) | NJ | Not Supporting | 2 |
| Rockaway R (Boonton dam to Stony Brook) | NJ | Not Supporting | 6 |
| Rockaway R (Passaic R to Boonton dam) | NJ | Not Supporting | 7 |
| Rockaway R (Stephens Bk to Longwood Lk) | NJ | Not Supporting | 3 |
| Rockaway R (Stony Brook to BM 534 brdg) | NJ | Not Supporting | 4 |
| Rockford Lake | NE | Not Supporting | 5 |
| Rockland Lake | NY | Not Supporting | 1 |
| Rockport Reservoir | UT | Not Supporting | 2 |
| Rockstad | MN | Not Supporting | 1 |
| Rockville Lake | IN | Fully Supporting | 0 |
| Rockwell Pond-02050106002598 | PA | Fully Supporting | 0 |
| Rockwood Pond | NH | Not Supporting | 4 |
| Rocky | VT | Fully Supporting | 0 |
| Rocky (Hobart) Lake | OK | Not Supporting | 2 |
| Rocky Brook (above Monmouth Co line) | NJ | Not Supporting | 1 |
| Rocky Brook (below Monmouth Co line) | NJ | Not Supporting | 6 |
| Rocky Ford W.A. | KS | Fully Supporting | 0 |
| Rocky Gorge Reservoir | MD | Not Supporting | 1 |
| Rocky Hollow Lake | MO | Not Supporting | 1 |
Source: EPA ATTAINS and USGS National Water Information System State Integrated Report assessment decisions + USGS daily values · 2026