Lake Gogebic; North Deep Basin; Bergland Township is a productive, nutrient-rich eutrophic lake in Ontonagon County, Michigan. Water quality is graded C based on 2 sampling years through 2023. Overall water quality is declining over recent sampling years. The lake supports 1 documented fish species including Yellow perch. Public access is available. Compared to the 5 other monitored lakes in Ontonagon County, Lake Gogebic; North Deep Basin; Bergland Township ranks #6 for water quality.
Source: EPA Water Quality Portal sampling records, Michigan DNR, last sampled 2023-09-27. Grade methodology: LakeGrade methodology.
Watch Lake Gogebic; North Deep Basin; Bergland Township water quality
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Swimming Safety
Generally safe for swimming, moderate water quality
Water Quality Grade: C, Fair
Murky, only visible to about 6.5 ft. Chlorophyll-a: 8.6 µg/L. Trophic State Index: 51.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 6.5 ft | D |
| Phosphorus | No data | |
| Chlorophyll-a (Algae) | 8.6 µg/L | B |
| Trophic State Index (TSI) | 51 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Where to stay near Lake Gogebic; North Deep Basin; Bergland Township
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Fish Species
Click a species to see every graded lake where it is documented.
Fishing Lake Gogebic; North Deep Basin; Bergland Township
- → Lake Gogebic; North Deep Basin; Bergland Township fishing forecast & best times (species outlook + 14-day solunar calendar)
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Water Quality Trend: ↓ Declining
Based on 2 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | ↓ Declining | -2.25 m/yr | 2 |
Water Temperature
Lake Gogebic; North Deep Basin; Bergland Township averages about 68°F at the surface in summer, usually warmest in Jul (about 72°F) and coldest in May (about 43°F). These are typical values by month — not a live reading.
Typical surface water temperature by month, from 157 field readings (2022–2023) via the EPA Water Quality Portal. See the full Lake Gogebic; North Deep Basin; Bergland Township water temperature breakdown →
Location
County Ranking
Ranked #6 of 6 lakes in Ontonagon County
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High nutrients, frequent algae, reduced clarity
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Other Grade C Lakes in Michigan
Gogebic County · Clarity: 8.3 ft
Gogebic County · Clarity: 6.5 ft
Gogebic County · Clarity: 6 ft
Gogebic County · Clarity: 8 ft
Gogebic County · Clarity: 7 ft
Gogebic County · Clarity: 7.3 ft
Eutrophic 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: 2023-09-27
Monitoring stations: 1