Great Bear Lake North Basin; Bloomingdale Township
Van Buren County, WisconsinLimited DataEutrophic
Great Bear Lake North Basin; Bloomingdale Township is a productive, nutrient-rich eutrophic lake in Van Buren County, MI. Water quality is graded D based on 1 sampling years through 2023. Compared to the 14 other monitored lakes in Van Buren County, Great Bear Lake North Basin; Bloomingdale Township ranks #14 for water quality.
Source: EPA Water Quality Portal sampling records, local state DNR records, last sampled 2023-09-19. Grade methodology: LakeGrade methodology.
Swimming Safety
Swimming not recommended, poor water quality with high algae risk
Water Quality Grade: D, Poor
Murky, only visible to about 6.5 ft. Trophic State Index: 50.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 6.5 ft | D |
| Phosphorus | No data | |
| Chlorophyll-a (Algae) | No data | |
| Trophic State Index (TSI) | 50 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Location
County Ranking
Ranked #14 of 15 lakes in Van Buren County
Cleaner Lakes Within 30 Miles
Great Bear Lake North Basin; Bloomingdale Township holds Grade D. One nearby lake has a higher grade.
See full comparison →Nearby Lakes in Van Buren County
More Wisconsin Lake Rankings
Other Grade D Lakes in Wisconsin
Eutrophic Lakes in Wisconsin
EPA Impairment Status
Great Bear Lake North Basin; Bloomingdale Township is officially listed as impaired under Clean Water Act §303(d) in the 2024 EPA reporting cycle (IR category 4A).
Causes of impairment
A Total Maximum Daily Load (TMDL) plan has been approved.
Source: EPA ATTAINS assessment unit MI040500020206-03 · Official waterbody report · Matched by proximity (0.56 km)
Data Sources
Water quality data from the EPA Water Quality Portal
Impairment status from EPA ATTAINS 303(d) database
Grading methodology based on Metropolitan Council standards
Most recent sample: 2023-09-19
Monitoring stations: 1