Rose Lake
Shiawassee County, WisconsinEutrophic
Rose Lake is a productive, nutrient-rich eutrophic lake in Shiawassee County, MI. Water quality is graded C based on 2 sampling years through 2023. The lake supports 17 documented fish species including American brook lamprey, Black bullhead, and Blackchin shiner. Compared to the 5 other monitored lakes in Shiawassee County, Rose Lake ranks #3 for water quality.
Source: EPA Water Quality Portal sampling records, local state DNR records, last sampled 2023-09-15. Grade methodology: LakeGrade methodology.
Swimming Safety
Generally safe for swimming, moderate water quality
Water Quality Grade: C, Fair
Murky, only visible to about 5 ft. Chlorophyll-a: 15 µg/L. Trophic State Index: 56.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 5 ft | D |
| Phosphorus | No data | |
| Chlorophyll-a (Algae) | 15 µg/L | C |
| Trophic State Index (TSI) | 56 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Fish Species
Click a species to see all Wisconsin and Minnesota lakes where it is found.
→ Best fishing times for Rose Lake (14-day solunar calendar)
→ Is it safe to eat fish from Rose Lake? (mercury & PFAS guide)
→ Rose Lake fishing regulations (limits, seasons, special rules)
Location
County Ranking
Ranked #3 of 6 lakes in Shiawassee County
Cleaner Lakes Within 30 Miles
Rose Lake holds Grade C. One nearby lake has a higher grade.
See full comparison →Nearby Lakes in Shiawassee County
More Wisconsin Lake Rankings
Other Grade C Lakes in Wisconsin
Cass County · Clarity: 7 ft
Leelanau County · Clarity: 9.5 ft
Iosco County · Clarity: 5.5 ft
Muskegon County · Clarity: 6.8 ft
Gladwin County · Clarity: 9 ft
Montmorency County · Clarity: 9 ft
Eutrophic Lakes in Wisconsin
EPA Impairment Status
Rose Lake is officially listed as impaired under Clean Water Act §303(d) in the 2024 EPA reporting cycle (IR category 5).
Causes of impairment
Source: EPA ATTAINS assessment unit MI040802030205-05 · Official waterbody report · Matched by proximity (1.11 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: 2023-09-15
Monitoring stations: 1