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 101–150 of 176

WaterbodyStateStatusCauses
Lakota Lake SD Not Supporting 1
Lardy Lake SD Not Supporting 1
Latham SD Not Supporting 1
Legion Lake SD Not Supporting 1
Lilly Lake SD Not Supporting 1
Little Moreau No. 1 SD Not Supporting 2
Long Lake SD Not Supporting 1
Lynn Lake SD Not Supporting 1
Marindahl Lake SD Not Supporting 2
McCook Lake SD Not Supporting 1
Menno, Lake SD Not Supporting 2
Middle Lynn Lake SD Not Supporting 1
Mina Lake SD Not Supporting 1
Minnewasta Lake SD Not Supporting 2
Mirror Lake East SD Not Supporting 1
Mirror Lake West SD Not Supporting 1
Murdo Dam SD Not Supporting 2
New Underwood Lake SD Fully Supporting 0
New Wall Lake SD Not Supporting 2
Newell City Pond SD Not Supporting 2
Newell Lake SD Not Supporting 1
Nine Mile Lake SD Not Supporting 1
North Buffalo Lake SD Not Supporting 1
North Island Lake SD Not Supporting 2
North Scatterwood Lake SD Fully Supporting 0
Oak Lake SD Not Supporting 2
Opitz Lake SD Not Supporting 1
Orman Dam (Belle Fourche Reservoir) SD Not Supporting 1
Pactola Reservoir SD Not Supporting 1
Pelican Lake SD Fully Supporting 0
Pickerel Lake SD Not Supporting 1
Pierpont Lake SD Not Supporting 1
Piyas Lake SD Not Supporting 1
Potts Dam SD Not Supporting 1
Pudwell Dam SD Not Supporting 2
Punished Woman Lake SD Fully Supporting 0
Rahn Lake SD Not Supporting 2
Ravine Lake SD Not Supporting 4
Red Lake SD Not Supporting 1
Reetz Lake SD Not Supporting 1
Reid Lake SD Not Supporting 1
Richland Dam SD Not Supporting 2
Richmond Lake SD Not Supporting 2
Roosevelt Lake SD Not Supporting 2
Rosette Lake SD Not Supporting 1
Roubaix Lake SD Not Supporting 2
Roy Lake SD Fully Supporting 0
Rush Lake SD Not Supporting 1
School Lake SD Fully Supporting 0
Scott Lake SD Not Supporting 1

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