What Fish Are in Duncan Lake?
Duncan Lake in Cook County, Minnesota has 5 documented fish species: cisco species, green sunfish, lake trout, smallmouth bass, white sucker. The lake is not rated for water quality — its monitoring record does not meet the evidence bar.
All Documented Species
Game Fish & Panfish in Duncan Lake
Duncan Lake supports 2 of the region's most-targeted species: lake trout, smallmouth bass. With a water quality grade of NR and a maximum depth of 130 feet across 477 acres, the lake offers conditions consistent with the species mix DNR surveys have recorded.
Lake Conditions
| Water Quality Grade | NR (Not rated) |
| Water Clarity | 21.5 ft |
| Maximum Depth | 130 ft |
| Surface Area | 477 acres |
| Public Access | No |
| Species Count | 5 |