What Fish Are in Thomson Reservoir?
Thomson Reservoir in Carlton County, Minnesota has 10 documented fish species: black bullhead, black crappie, channel catfish, northern pike, rock bass, shorthead redhorse, smallmouth bass, walleye, white sucker, yellow perch. The lake holds an overall water quality grade of F (Very Poor).
All Documented Species
black bullheadblack crappiechannel catfishnorthern pikerock bassshorthead redhorsesmallmouth basswalleyewhite suckeryellow perch
Game Fish & Panfish in Thomson Reservoir
Thomson Reservoir supports 4 of the region's most-targeted species: black crappie, northern pike, smallmouth bass, walleye. With a water quality grade of F and a maximum depth of 22 feet across 390 acres, the lake offers conditions consistent with the species mix DNR surveys have recorded.
Lake Conditions
| Water Quality Grade | F (Very Poor) |
| Water Clarity | 3 ft |
| Maximum Depth | 22 ft |
| Surface Area | 390 acres |
| Public Access | No |
| Species Count | 10 |