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 1,051–1,100 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 |
|---|---|---|---|
| Mullica River (above Jackson Road) | NJ | Not Supporting | 3 |
| Mullica River (GSP bridge to Turtle Ck) | NJ | Not Supporting | 3 |
| Mullica River (Lower Bank Rd to Rt 563) | NJ | Not Supporting | 4 |
| Mullica River (Pleasant Mills to 39d40m30s) | NJ | Not Supporting | 3 |
| Mullica River (Rt 206 to Jackson Road) | NJ | Not Supporting | 4 |
| Mundt Lake | ND | Fully Supporting | 0 |
| Munger Lake | WI | Fully Supporting | 0 |
| Munn Lake | WA | Not Supporting | 1 |
| Munn Pond | NH | Not Supporting | 1 |
| Munson | MN | Fully Supporting | 0 |
| Munsungan Stream | ME | Fully Supporting | 0 |
| Munuscong Bay (St. Mary's River) | MI | Not Supporting | 3 |
| Munz Lake | CA | Not Supporting | 2 |
| Murdo Dam | SD | Not Supporting | 2 |
| Murphy | MN | Not Supporting | 1 |
| Murphy | MN | Not Supporting | 1 |
| Murphy | MN | Not Supporting | 1 |
| Murphy Lake | MI | Not Supporting | 1 |
| Murphysboro | IL | Not Supporting | 2 |
| Murray Gill Lake | KS | Fully Supporting | 0 |
| Murvaul Lake | TX | Fully Supporting | 0 |
| Musconetcong R (75d 00m to Rt 31) | NJ | Not Supporting | 3 |
| Musconetcong R (SaxtonFalls to Waterloo) | NJ | Not Supporting | 5 |
| Musconetcong R (Trout Bk to SaxtonFalls) | NJ | Not Supporting | 4 |
| Musconetcong R (Waterloo area) | NJ | Not Supporting | 1 |
| Musconetcong R (Waterloo to/incl WillsBk) | NJ | Not Supporting | 2 |
| Musconetcong R (Wills Bk to LkHopatcong) | NJ | Not Supporting | 6 |
| Muscoot/Upper New Croton Reservoir | NY | Not Supporting | 1 |
| Muskallonge Lake | MI | Not Supporting | 2 |
| Muskee Creek | NJ | Not Supporting | 4 |
| Muskegon Lake | MI | Not Supporting | 2 |
| Muskegon Lake | MI | Not Supporting | 4 |
| Muskegon Lake | MI | Not Supporting | 1 |
| Muskegon Lake Water Sports Park | MI | Not Supporting | 1 |
| Muskellunge Lake | NY | Not Supporting | 1 |
| Muskellunge Lake | WI | Fully Supporting | 0 |
| Muskellunge Lake | WI | Not Supporting | 1 |
| Muskrat | MN | Not Supporting | 1 |
| Muskrat Pond, more | NY | Not Supporting | 2 |
| Musquacook Stream | ME | Fully Supporting | 0 |
| Musquash | MN | Not Supporting | 1 |
| Musser Flowage | WI | Not Supporting | 2 |
| Musser Lake | MI | Not Supporting | 2 |
| Myer's Lake | KS | Not Supporting | 1 |
| Myers Lake (Put & Take Trout) | IN | Not Supporting | 1 |
| Myers Park Beach, Lake Michigan | WI | Not Supporting | 1 |
| Myron Lake | WA | Not Supporting | 1 |
| Myrtle | MN | Not Supporting | 2 |
| Myrtle Grove Lake | MD | Fully Supporting | 0 |
| Myrtle Lake | ID | Fully Supporting | 0 |
Source: EPA ATTAINS and USGS National Water Information System State Integrated Report assessment decisions + USGS daily values · 2026