Lac la Croix Lake vs Nibin Lake
Water quality, depth, fish species, and recreation comparison.
Nibin Lake has a higher water quality grade (D, Poor) than Lac la Croix Lake (F, Very Poor). Both are in St. Louis County, Minnesota.
Lac la Croix Lake and Nibin Lake are both in Minnesota — a same-state head-to-head where the comparison comes down to lake-specific differences in depth, watershed, and monitoring history rather than the broader state-level water-quality regime. The grades are close: Lac la Croix Lake (F) and Nibin Lake (D) are within one letter of each other on the LakeGrade rubric. The per-parameter sub-grades below will show where the small differences actually live.
With grades this close, the choice between the two lakes turns on non-water-quality factors: depth, fish species, public access, distance from home. The per-lake pages below cover all of those.
Lac la Croix Lake
Very murky, less than 2.5 ft of visibility.
Nibin Lake
Murky, only visible to about 5.6 ft.
Side-by-Side Metrics
| Metric | Lac la Croix Lake | Nibin Lake |
|---|---|---|
| Overall Grade | F (Very Poor) | D (Poor) |
| Water Clarity | 2.5 ft | 5.6 ft |
| Phosphorus | No data | No data |
| Chlorophyll-a (Algae) | No data | No data |
| Maximum Depth | 30 ft | 40 ft |
| Surface Area | 1.0K acres | 775.93 acres |
| Public Access | No | No |
| Fish Species | 10 | 5 |
| Trophic State | eutrophic | eutrophic |
Bold value = better for that metric (lower phosphorus / chlorophyll = cleaner; higher Secchi / depth / species count = better).
Verdict
Nibin Lake wins on overall water quality with a Grade D versus Lac la Croix Lake's Grade F. Water clarity: 5.6 ft vs 2.5 ft. For more fish-species variety, Lac la Croix Lake edges ahead with 10 documented species.