Upper Gar Lake
Dickinson County, WisconsinEutrophic
Upper Gar 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, Upper Gar Lake ranks #2 for water quality.
Source: EPA Water Quality Portal sampling records, local state DNR records, last sampled 2024-09-10. Grade methodology: LakeGrade methodology.
Swimming Safety
Generally safe for swimming, moderate water quality
Water Quality Grade: C, Fair
Murky, only visible to about 3.9 ft. Chlorophyll-a: 13.1 µg/L. Trophic State Index: 57.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 3.9 ft | D |
| Phosphorus | No data | |
| Chlorophyll-a (Algae) | 13.1 µg/L | C |
| Trophic State Index (TSI) | 57 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Location
County Ranking
Ranked #2 of 8 lakes in Dickinson County
Cleaner Lakes Within 30 Miles
Upper Gar 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: 2024-09-10
Monitoring stations: 1