Mecosta Lake North Basin; Morton Township is a mesotrophic lake in Mecosta County, Michigan. Water quality is graded B based on 2 sampling years through 2023. Water clarity is improving over recent sampling years. Limited fish-species data available. Public access is available. Compared to the 11 other monitored lakes in Mecosta County, Mecosta Lake North Basin; Morton Township ranks #5 for water quality.
Source: EPA Water Quality Portal sampling records, Michigan DNR, last sampled 2023-09-15. Grade methodology: LakeGrade methodology.
Watch Mecosta Lake North Basin; Morton Township water quality
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Swimming Safety
Good for swimming, clear water with low algae levels
Water Quality Grade: B, Good
Moderate clarity, visible to about 9 ft. Chlorophyll-a: 4.6 µg/L. Trophic State Index: 46.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 9 ft | C |
| Phosphorus | No data | |
| Chlorophyll-a (Algae) | 4.6 µg/L | A |
| Trophic State Index (TSI) | 46 | Mesotrophic |
Moderate nutrients, good water quality
Where to stay near Mecosta Lake North Basin; Morton Township
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Fishing Mecosta Lake North Basin; Morton Township
Water Quality Trend: → Stable
Based on 3 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | ↑ Improving | +2.53 m/yr | 3 |
| Chlorophyll-a | ↓ Declining | +0.35 µg/L/yr | 3 |
Location & Depth Map
Free interactive depth-contour map of Mecosta Lake North Basin; Morton Township, reaching a maximum surveyed depth of 39 ft. Toggle Depth contours to overlay the bathymetric survey lines. Contour data from Michigan DNR.
County Ranking
Ranked #5 of 12 lakes in Mecosta County
Cleaner Lakes Within 30 Miles
Mecosta Lake North Basin; Morton Township holds Grade B. 2 nearby lakes hold higher grades.
- ABlue Lake North Central BasinMecosta County · 0.7 mi · Higher grade (B → A)
- AHorsehead Lake Northwest Basin; Martiny TownshipMecosta County · 4.6 mi · Higher grade (B → A)
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Moderate nutrients, good water quality
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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