Big Spirit Lake
Dickinson County, WisconsinEutrophic
Big Spirit Lake is a productive, nutrient-rich eutrophic lake in Dickinson County, IA. Water quality is graded C based on 2 sampling years through 2024. Compared to the 7 other monitored lakes in Dickinson County, Big Spirit Lake ranks #3 for water quality.
Source: EPA Water Quality Portal sampling records, local state DNR records, last sampled 2024-09-09. Grade methodology: LakeGrade methodology.
Swimming Safety
Swim with caution, moderate algae may be present
Water Quality Grade: C, Fair
Murky, only visible to about 5.5 ft. Chlorophyll-a: 16.3 µg/L. Trophic State Index: 55.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 5.5 ft | D |
| Phosphorus | No data | |
| Chlorophyll-a (Algae) | 16.3 µg/L | C |
| Trophic State Index (TSI) | 55 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Location
County Ranking
Ranked #3 of 8 lakes in Dickinson County
Cleaner Lakes Within 30 Miles
Big Spirit Lake holds Grade C. One nearby lake has a higher grade.
See full comparison →Nearby Lakes in Dickinson County
More Wisconsin Lake Rankings
Other Grade C Lakes in Wisconsin
Eutrophic Lakes in Wisconsin
Data Sources
Water quality data from the EPA Water Quality Portal
Grading methodology based on Metropolitan Council standards
Most recent sample: 2024-09-09
Monitoring stations: 1