Gogebic County, Michigan · 46.20°N · Water Quality Report Card
West Bay Lake
West Bay Lake in Gogebic County, Michigan is not rated for water quality — its monitoring record does not meet the evidence bar. Water clarity: 7.3 ft visibility.
- Clarity
- 7.3 ft
- Type
- Mesotrophic
- Trend
- ↑ Improving
West Bay Lake is a mesotrophic lake in Gogebic County, Michigan. Overall water quality is improving over recent sampling years.
Source: EPA Water Quality Portal sampling records, EGLE, last sampled 2022-09-11. Grade methodology: LakeGrade methodology.
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Swimming Safety
Not rated for swimming — there is not enough monitoring data to judge this lake
Water Quality Grade: Not rated
Moderate clarity, visible to about 7.3 ft. Trophic State Index: 49.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 7.3 ft | |
| Phosphorus | No data | |
| Chlorophyll-a (Algae) | No data | |
| Trophic State Index (TSI) | 49 | Mesotrophic |
Moderate nutrients, good water quality
Where to stay near West Bay Lake
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Fishing West Bay Lake
Water Quality Trend: ↑ Improving
Based on 4 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | ↑ Improving | +3.05 m/yr | 3 |
| Phosphorus | ↑ Improving | -3.05 µg/L/yr | 4 |
Location
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Moderate nutrients, good water quality
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Lake Size & Watershed
Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS).
Where this data comes from
32 measurements from 1 monitoring station, 2021–2022. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- North American Lake Management Society
NALMS32 samples · 2021–2022
Monitoring station identifiers (1)
Grade thresholds come from the U.S. EPA National Lakes Assessment 2022 Technical Support Document (EPA 841-R-24-006, Table 6-3), applied by ecoregion. See how grades are calculated.
Data Sources
Water quality data from the EPA Water Quality Portal
Lake size & watershed from HydroLAKES (HydroSHEDS)
Grade thresholds from the EPA National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion
Most recent sample: 2022-09-11
Monitoring stations: 1