Blue Lake North Central Basin is a mesotrophic lake in Mecosta County, Michigan. Water quality is graded A based on 2 sampling years through 2023. Overall water quality is improving over recent sampling years. Compared to the 11 other monitored lakes in Mecosta County, Blue Lake North Central Basin ranks #3 for water quality.
Source: EPA Water Quality Portal sampling records, Michigan DNR, last sampled 2023-09-15. Grade methodology: LakeGrade methodology.
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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 ft. Chlorophyll-a: 3.9 µg/L. Trophic State Index: 43.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 11 ft | B |
| Phosphorus | No data | |
| Chlorophyll-a (Algae) | 3.9 µg/L | A |
| Trophic State Index (TSI) | 43 | Mesotrophic |
Moderate nutrients, good water quality
Where to stay near Blue Lake North Central Basin
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Fishing Blue Lake North Central Basin
Water Quality Trend: ↑ Improving
Based on 3 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | ↑ Improving | +1.125 m/yr | 3 |
| Chlorophyll-a | ↑ Improving | -0.15 µg/L/yr | 3 |
Location
County Ranking
Ranked #3 of 12 lakes in Mecosta County
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Moderate nutrients, good water quality
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Other Grade A Lakes in Michigan
Isabella County · Clarity: 10.5 ft
Montcalm County · Clarity: 16.8 ft
Montcalm County · Clarity: 16 ft
Newaygo County · Clarity: 25.5 ft
Clare County · Clarity: 15 ft
Clare County · Clarity: 15 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
Most recent sample: 2023-09-15
Monitoring stations: 1