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 8,951–9,000 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 |
|---|---|---|---|
| Mayfield Lake | WA | Not Supporting | 1 |
| Mayfield Lake | WA | Not Supporting | 1 |
| Mayfield Lake | WA | Not Supporting | 1 |
| Mayflower Lake | WI | Fully Supporting | 0 |
| Mayhew | MN | Not Supporting | 2 |
| Mayhew | MN | Not Supporting | 1 |
| Mayo | MN | Not Supporting | 1 |
| Maysville Lake (Wiley Post) | OK | Not Supporting | 2 |
| Mazaska | MN | Not Supporting | 2 |
| Mc Kinley Pk. Lagoon | IL | Not Supporting | 2 |
| Mc Neely Lake | KY | Not Supporting | 2 |
| McAlester Lake | OK | Not Supporting | 2 |
| Mcallister | VT | Fully Supporting | 0 |
| McAllister Lake | NM | Not Supporting | 1 |
| Mcalpin Pond | NH | Not Supporting | 2 |
| McArthur Lake | ID | Not Supporting | 1 |
| Mccabe Pond | WA | Not Supporting | 1 |
| McCaffery Pond | NY | Not Supporting | 1 |
| McCarron | MN | Not Supporting | 2 |
| McCarry Lake | WI | Fully Supporting | 0 |
| McCarthy Lake | WI | Fully Supporting | 0 |
| McCauley Pond | DE | Not Supporting | 1 |
| McClintic Ponds | WV | Not Supporting | 1 |
| Mcclish Lake | IN | Not Supporting | 1 |
| McClure Reservoir (Mariposa County) | CA | Not Supporting | 1 |
| Mcclure Storage Reservoir | MI | Not Supporting | 2 |
| Mccollum Lake | MI | Not Supporting | 1 |
| Mcconnell | VT | Fully Supporting | 0 |
| McConnico Creek (Demopolis Lake) | AL | Fully Supporting | 0 |
| McCook Lake | SD | Not Supporting | 1 |
| McCormack Lake | MO | Fully Supporting | 0 |
| McCormic | MN | Not Supporting | 1 |
| McCormick | MN | Not Supporting | 1 |
| Mccormick Lake | MI | Not Supporting | 1 |
| Mccullom | IL | Not Supporting | 1 |
| McCullough Lake | WI | Fully Supporting | 0 |
| Mccutcheon Pond | NH | Not Supporting | 2 |
| McDaniel Lake | MO | Not Supporting | 1 |
| Mcdevitt Farm Pond Dam | NH | Not Supporting | 1 |
| McDill Pond | WI | Not Supporting | 1 |
| McDonald | MN | Not Supporting | 1 |
| McDonald | MN | Not Supporting | 2 |
| Mcdonald Lake | WA | Not Supporting | 1 |
| McDonald Lake | WI | Not Supporting | 1 |
| McDonalds Branch | NJ | Not Supporting | 1 |
| McDowell Dam | ND | Not Supporting | 2 |
| Mcdowell Lake | WA | Not Supporting | 1 |
| Mcdowell Lake | WA | Not Supporting | 1 |
| McDuffie PFA Ponds | GA | Not Supporting | 1 |
| McFarland | MN | Not Supporting | 1 |
Source: EPA ATTAINS and USGS National Water Information System State Integrated Report assessment decisions + USGS daily values · 2026