river redhorse Lakes in Minnesota & Wisconsin
Other SpeciesFound in 18 lakes
river redhorse is a rough-fish species — typically common in productive, nutrient-rich lakes, sometimes treated as a management nuisance by anglers targeting game-fish. 18 lakes carry documentation. river redhorse is narrowly distributed — only 18 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 river redhorse lake list below against the LakeGrade rubric: lakes with both an A or B grade and river redhorse documented are the best places to start for recreational targeting.
Water Quality of river redhorse Lakes
Best river redhorse Lakes by Water Quality
Top 50 lakes with river redhorse ranked by overall water quality grade.
| Rank | Lake | County | State | Grade | Depth | Species |
|---|---|---|---|---|---|---|
| 1 | Lake St. Croix | Washington | MN | B | 78 ft | 36 |
| 2 | Upper Twin Lake | Hubbard | MN | B | 12 ft | 18 |
| 3 | Koronis Lake | Stearns | MN | C | 132 ft | 22 |
| 4 | Lower Twin Lake | Wadena | MN | C | 26 ft | 21 |
| 5 | St. Croix Lake | Washington | MN | C | 78 ft | 36 |
| 6 | St. Croix 1.5 Mi. Upstream of Point Douglas Dr Lake | Washington | MN | C | 78 ft | 36 |
| 7 | Third Crow Wing Lake | Hubbard | MN | C | 35 ft | 18 |
| 8 | Pool of Lake St. Croix | Washington | MN | C | 78 ft | 36 |
| 9 | Pool on Lake St. Croix Downstream of I94 Bridge | Washington | MN | C | 78 ft | 36 |
| 10 | Pool on Lake St. Croix | Washington | MN | C | 78 ft | 36 |
| 11 | St. Croix 3.5 Mi. Downstream of E Chestnut St Lake | Washington | MN | C | 78 ft | 36 |
| 12 | St. Croix 0.3 Mi. Downstream of I Lake | Washington | MN | C | 78 ft | 36 |
| 13 | Zumbro Lake | Olmsted | MN | D | 43 ft | 24 |
| 14 | Cedar Island Lake | Stearns | MN | D | 75 ft | 22 |
| 15 | Round Lake | Jackson | MN | D | 9 ft | 17 |
| 16 | Horseshoe Lake | Stearns | MN | D | 57 ft | 25 |
| 17 | Emily Lake | Pope | MN | F | 6 ft | 26 |
| 18 | Pepin Lake | Pepin | MN | F | 60 ft | 47 |
Frequently Asked Questions
How many lakes have river redhorse?
river redhorse are found in 18 lakes across Minnesota and Wisconsin, 18 in Minnesota and 0 in Wisconsin. The average water quality grade of lakes with river redhorse is D (Poor).
What are the best lakes for river redhorse?
The best river redhorse lakes by water quality are Lake St. Croix, Upper Twin Lake, Koronis Lake, Lower Twin Lake, St. Croix Lake. These lakes have the highest water quality grades among all lakes where river redhorse have been documented by state DNR surveys.
What other fish are found with river redhorse?
river redhorse are most commonly found alongside black crappie, northern pike, walleye, white sucker, yellow perch. These species share similar habitat preferences in the region's lakes.
Source: EPA National Aquatic Resource Surveys, 2026.