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 901–950 of 2,511 starting with L

WaterbodyStateStatusCauses
Lake Monomonac MA Not Supporting 2
Lake Monomonac NH Not Supporting 6
Lake Monona WI Not Supporting 3
Lake Monongalia - main basin MN Not Supporting 2
Lake Monongalia - Middle Fork Crow River MN Not Supporting 2
Lake Monroe FL Not Supporting 6
Lake Montanis WI Not Supporting 1
Lake Montclair VA Not Supporting 2
Lake Moody FL Not Supporting 1
Lake Moon FL Not Supporting 2
Lake Mooney VA Not Supporting 1
Lake Moraine NY Not Supporting 2
Lake Morris KY Not Supporting 1
Lake Morris WI Fully Supporting 0
Lake Morton FL Not Supporting 3
Lake Munson FL Not Supporting 4
Lake Murray OK Not Supporting 2
Lake Murray OK Not Supporting 1
Lake Muskoday MI Not Supporting 7
Lake Myakka (Lower Segment) FL Not Supporting 1
Lake Myakka (Upper Segment) FL Not Supporting 2
Lake Myrtle FL Fully Supporting 0
Lake Mystic FL Not Supporting 1
Lake Nacogdoches TX Fully Supporting 0
Lake Naconiche TX Fully Supporting 0
Lake Nahni Waiya Site 1 OK Not Supporting 2
Lake Nan FL Not Supporting 1
Lake Nancy WI Fully Supporting 0
Lake Naomi IL Not Supporting 3
Lake Napa Suwe IL Not Supporting 3
Lake Napowan WI Fully Supporting 0
Lake Nasworthy TX Fully Supporting 0
Lake Nasworthy TX Fully Supporting 0
Lake Neatahwanta NY Not Supporting 1
Lake Nebagamon WI Not Supporting 1
Lake Ned FL Fully Supporting 0
Lake Needwood MD Fully Supporting 0
Lake Nell MO Not Supporting 1
Lake Nelson VA Not Supporting 2
Lake Nepessing MI Not Supporting 1
Lake Nessmuk-02050205000953 PA Fully Supporting 0
Lake Nighthorse. CO Not Supporting 1
Lake Nippenicket MA Not Supporting 2
Lake Nockamixon-02040105003977 PA Not Supporting 2
Lake Nokomis WI Fully Supporting 0
Lake Nona FL Not Supporting 1
Lake Noquebay WI Fully Supporting 0
Lake Norden SD Fully Supporting 0
Lake Norris FL Not Supporting 4
Lake North NE Not Supporting 3

Source: EPA ATTAINS and USGS National Water Information System State Integrated Report assessment decisions + USGS daily values · 2026