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 8,701–8,750 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 |
|---|---|---|---|
| Madeleine | VT | Not Supporting | 1 |
| Madison | MN | Not Supporting | 3 |
| Madison City Lake | KS | Fully Supporting | 0 |
| Magalloway River | ME | Fully Supporting | 0 |
| Magda | MN | Not Supporting | 1 |
| Magee Dam | NH | Not Supporting | 1 |
| Maggio Ponds. | CO | Fully Supporting | 0 |
| Magnolia Lake | FL | Not Supporting | 1 |
| Magnolia Lake-02040201000968 | PA | Not Supporting | 4 |
| Magnor Lake | WI | Not Supporting | 1 |
| Mahaffie Farmstead Lake | KS | Not Supporting | 1 |
| Mahnomen Mine #1 | MN | Not Supporting | 1 |
| Mahnomen Mine #2 | MN | Not Supporting | 1 |
| Mahnomen Mine #3 | MN | Not Supporting | 1 |
| Maiden Lake | WI | Fully Supporting | 0 |
| Maidstone | VT | Fully Supporting | 0 |
| Mailly Pond | NH | Not Supporting | 1 |
| Major Lake | FL | Fully Supporting | 0 |
| Makoti Lake | ND | Fully Supporting | 0 |
| Malapardis Brook | NJ | Not Supporting | 1 |
| Malardi | MN | Not Supporting | 1 |
| Malheur Reservoir | OR | Not Supporting | 1 |
| Malheur Slough | OR | Not Supporting | 1 |
| Mallalieu Lake | WI | Not Supporting | 1 |
| Mallard Lake | AR | Not Supporting | 1 |
| Mallard Lake (Moss Lake East) | KS | Fully Supporting | 0 |
| Mallard Marsh | MN | Not Supporting | 1 |
| Malmedal | MN | Not Supporting | 1 |
| Malone Pool | OR | Not Supporting | 3 |
| Mamanasco Lake (Ridgefield) | CT | Not Supporting | 2 |
| Mamie Lake | WI | Fully Supporting | 0 |
| Manalapan Brook (above 40d 16m 15s) | NJ | Not Supporting | 1 |
| Manalapan Brook (below Lake Manalapan) | NJ | Not Supporting | 3 |
| Manalapan Brook (incl LkManlpn to 40d16m15s) | NJ | Not Supporting | 4 |
| Manasquan R (74d07m30s to Squankum gage) | NJ | Not Supporting | 6 |
| Manasquan R (above 74d17m50s road) | NJ | Not Supporting | 3 |
| Manasquan R (below Rt 70 bridge) | NJ | Not Supporting | 3 |
| Manasquan R (Rt 70 br to 74d07m30s) | NJ | Not Supporting | 4 |
| Manasquan R (Rt 9 to 74d17m50s road) | NJ | Not Supporting | 6 |
| Manchaug Pond | MA | Not Supporting | 4 |
| Manchesters; | VT | Fully Supporting | 0 |
| Mancos Reservoir (Jackson Gulch Reservoir). | CO | Fully Supporting | 0 |
| Mandall | MN | Not Supporting | 1 |
| Manganika | MN | Not Supporting | 1 |
| Mango Lake | FL | Not Supporting | 3 |
| Manistee Lake | MI | Not Supporting | 1 |
| Manistee Lake | MI | Not Supporting | 3 |
| Manistique Lake | MI | Not Supporting | 1 |
| Manistique Lake, North | MI | Not Supporting | 2 |
| Manistique Lake, South | MI | Not Supporting | 1 |
Source: EPA ATTAINS and USGS National Water Information System State Integrated Report assessment decisions + USGS daily values · 2026