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 301–350 of 1,102 starting with M
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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 |
|---|---|---|---|
| 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 |
| McGaffey Lake | NM | Not Supporting | 1 |
| McGee Creek Lake | OK | Not Supporting | 2 |
| McGellairds Brook (above Taylors Mills) | NJ | Not Supporting | 2 |
| McGinnis Lake | WI | Fully Supporting | 0 |
| McGinnis Pond | DE | Not Supporting | 1 |
| McGown Lakes | ID | Fully Supporting | 0 |
| McGrath Lake | CA | Not Supporting | 6 |
| McGrath Lake | WI | Not Supporting | 1 |
| McGREAL LAKE | IL | Not Supporting | 2 |
| McGregor Dam | ND | Not Supporting | 1 |
| McGuire Reservoir | OR | Not Supporting | 3 |
| Mcintosh | VT | Fully Supporting | 0 |
| Mcintosh Lake | WA | Not Supporting | 3 |
| McIver | MN | Not Supporting | 1 |
| McKay Creek Lake | ID | Fully Supporting | 0 |
| McKay Reservoir | OR | Not Supporting | 2 |
| McKeith Lake | WI | Not Supporting | 1 |
| McKenzie Lake | WI | Fully Supporting | 0 |
| Mckethan Lake | FL | Fully Supporting | 0 |
| Mckiels Pond | NH | Not Supporting | 1 |
| McKiernan Creek (Wilson Lake) | AL | Not Supporting | 1 |
| Mckinley Beach, Lake Michigan | WI | Not Supporting | 1 |
| McKinley Lake | IA | Not Supporting | 3 |
| McKinney | MN | Fully Supporting | 0 |
| Mckinstry Pond | MA | Not Supporting | 1 |
| McKnight | MN | Not Supporting | 1 |
| McLain Lake | WI | Fully Supporting | 0 |
| McLEANSBORO NEW | IL | Not Supporting | 1 |
| Mcleod Dam | NH | Not Supporting | 1 |
| McLeod Reservoir | ND | Fully Supporting | 0 |
| McMahon | MN | Not Supporting | 1 |
| McMurtry Lake | OK | Not Supporting | 2 |
| McPhee Reservoir. | CO | Not Supporting | 1 |
| McPherson Co. SFL | KS | Not Supporting | 4 |
Source: EPA ATTAINS and USGS National Water Information System State Integrated Report assessment decisions + USGS daily values · 2026