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LakeQuality

splake Lakes in Minnesota

Found in 10 Minnesota lakes

Rough fish like splake are often associated with eutrophic, nutrient-loaded waters. Their presence — documented in 10 Minnesota lakes — is often a signal of how the rest of the fishery is functioning. splake is narrowly distributed — only 10 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 splake lake list below against the LakeGrade rubric: lakes with both an A or B grade and splake documented are the best places to start for recreational targeting.

10
Minnesota Lakes
B
Avg. Grade
5
Grade A Lakes
4
Counties

Best splake Lakes in Minnesota

RankLakeCountyGradeClarityDepth
1Tofte LakeLakeA18.5 ft73 ft
2Kemo LakeCookA17 ft65 ft
3Larson LakeItascaA21 ft177 ft
4Divide LakeLakeA33.2 ft-
516-0023-00 LakeCookA17 ft35 ft
6Long LakeAitkinB10.8 ft116 ft
7Portage LakeCookB8.5 ft55 ft
8Esther LakeCookB10 ft35 ft
9Bean LakeLakeB9.8 ft26 ft
10Beaver Hut LakeLakeB3.4 ft12 ft

Frequently Asked Questions

How many Minnesota lakes have splake?

splake are found in 10 lakes in Minnesota. The average water quality grade of these lakes is B (Good).

What are the best splake lakes in Minnesota?

The best splake lakes in Minnesota by water quality are Tofte Lake, Kemo Lake, Larson Lake, Divide Lake, 16-0023-00 Lake.

Source: EPA National Aquatic Resource Surveys, 2026.