Rose Lake East Basin; Rose Lake Township is a mesotrophic lake in Osceola County, Michigan. Water quality is graded A based on 2 sampling years through 2023. Overall water quality is improving over recent sampling years. Limited fish-species data available. Public access is available with 1 public boat landing. Compared to the 5 other monitored lakes in Osceola County, Rose Lake East Basin; Rose Lake Township ranks #5 for water quality.
Source: EPA Water Quality Portal sampling records, Michigan DNR, last sampled 2023-09-10. Grade methodology: LakeGrade methodology.
Watch Rose Lake East Basin; Rose Lake Township water quality
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Swimming Safety
Excellent for swimming, crystal clear water with minimal algae
Water Quality Grade: A, Excellent
Good clarity, visible to about 11.5 ft. Chlorophyll-a: 4.8 µg/L. Trophic State Index: 44.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 11.5 ft | B |
| Phosphorus | No data | |
| Chlorophyll-a (Algae) | 4.8 µg/L | A |
| Trophic State Index (TSI) | 44 | Mesotrophic |
Moderate nutrients, good water quality
Where to stay near Rose Lake East Basin; Rose Lake Township
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Fishing Rose Lake East Basin; Rose Lake Township
Water Quality Trend: ↑ Improving
Based on 4 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | ↑ Improving | +1.464 m/yr | 4 |
| Chlorophyll-a | ↑ Improving | -0.45 µg/L/yr | 3 |
Recreation & Access
Water Temperature
Rose Lake East Basin; Rose Lake Township averages about 65°F at the surface in summer, usually warmest in Aug (about 68°F) and coldest in May (about 55°F). These are typical values by month — not a live reading.
Typical surface water temperature by month, from 298 field readings (2020–2023) via the EPA Water Quality Portal. See the full Rose Lake East Basin; Rose Lake Township water temperature breakdown →
Location
County Ranking
Ranked #5 of 6 lakes in Osceola County
Nearby Lakes in Osceola County
Explore Rose Lake East Basin; Rose Lake Township across LakeGrade
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Fish species and best lakes in Osceola County
Species activity outlook by water temperature and season
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Moderate nutrients, good water quality
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Other Grade A Lakes in Michigan
Missaukee County · Clarity: 26.2 ft
Mecosta County · Clarity: 12.8 ft
Clare County · Clarity: 15 ft
Clare County · Clarity: 15 ft
Mecosta County · Clarity: 10 ft
Mecosta County · Clarity: 11 ft
Mesotrophic Lakes in Michigan
More records, surveys & data sources
Lake Size & Watershed
Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS). Mean depth is a modeled estimate.
Data Sources
Water quality data from the EPA Water Quality Portal
Lake size & watershed from HydroLAKES (HydroSHEDS)
Grading methodology based on Metropolitan Council standards
Public boat-access points from the USGS National Boat Ramps inventory
Most recent sample: 2023-09-10
Monitoring stations: 1