northern hog sucker Lakes in Minnesota
Found in 2 Minnesota lakes
Rough fish like northern hog sucker are often associated with eutrophic, nutrient-loaded waters. Their presence — documented in 2 Minnesota lakes — is often a signal of how the rest of the fishery is functioning. northern hog sucker is narrowly distributed — only 2 Minnesota lakes and 0 Wisconsin lakes have a documented record. The constraint is usually habitat: cold water, specific depth profile, or river connection.
Rough-fish-dominant lakes are worth checking the grade on: a rough-fish-heavy fishery often reflects an underlying nutrient-loading problem in the watershed. Cross-reference the northern hog sucker lake list below against the LakeGrade rubric: lakes with both an A or B grade and northern hog sucker documented are the best places to start for recreational targeting.
Best northern hog sucker Lakes in Minnesota
| Rank | Lake | County | Grade | Clarity | Depth |
|---|---|---|---|---|---|
| 1 | Knife Lake | Kanabec | F | 2.3 ft | 15 ft |
| 2 | Pepin Lake | Pepin | F | 3 ft | 60 ft |
Frequently Asked Questions
How many Minnesota lakes have northern hog sucker?
northern hog sucker are found in 2 lakes in Minnesota. The average water quality grade of these lakes is F (Very Poor).
What are the best northern hog sucker lakes in Minnesota?
The best northern hog sucker lakes in Minnesota by water quality are Knife Lake, Pepin Lake.
Source: EPA National Aquatic Resource Surveys, 2026.