Big Bateau Lake
Gogebic County, Michigan234 acresView mapDirections
Not Rated: one monitoring station are on record, but they measured water clarity only. LakeQuality’s A–F method grades total phosphorus, total nitrogen, chlorophyll-a, and turbidity; clarity is shown, not scored.
- 37 ft max depth
- Limited data
Big Bateau Lake in Gogebic County, Michigan is not rated for water quality — its monitoring record does not meet the evidence bar. Water clarity: 13 ft visibility. Maximum depth: 37 ft. Surface area: 234.1 acres.
- Clarity
- 13 ft
- Typical in September
- 69°F
- Max depth
- 37 ft
- Area
- 234 acres
- Trend
- ↑ Improving
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Stays near Big Bateau Lake
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Watch Big Bateau Lake’s letter
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Free interactive depth-contour map of Big Bateau Lake, reaching a maximum surveyed depth of 37 ft. Toggle Depth contours to overlay the bathymetric survey lines. Contour data from Michigan DNR.
Why Big Bateau Lake has no grade
Big Bateau Lake has monitoring on record from one station, but only water clarity was measured. LakeQuality’s A–F letter uses total phosphorus, total nitrogen, chlorophyll-a, and turbidity against EPA National Lakes Assessment condition classes. With none of those grading measurements on record, Big Bateau Lake is Not Rated — not an F. Its 13-foot median from 3 readings collected 2017–2023 is still shown as clarity, but clarity alone cannot earn a letter.
Not Rated is EPA Integrated Reporting Category 3 — insufficient information. Everything below that has been measured is still reported on this page.
Sampling is run by EGLE and volunteer programs, and published through the EPA Water Quality Portal. Read the full grading methodology.
Big Bateau Lake is a 234-acre lake in Gogebic County, Michigan with a maximum depth of 37 feet. Overall water quality is improving over recent sampling years.
Source: EPA Water Quality Portal sampling records, EGLE, last sampled 2023-09-07. Grade methodology: LakeQuality methodology.
What Big Bateau Lake is good for
From access and monitoring records, not editorial picks.
- Clear water13 ft of visibility
- Deep water37 ft surveyed max depth
Swimming Safety
Not ratedLimited data
The letter is not a swimming clearance. Check local advisories before you swim.
Water quality measurements for Big Bateau Lake
These readings exist but are not enough for an A–F grade — see why.
Good clarity, visible to about 13 ft. TSI 40.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 13 ft | Not graded |
| Phosphorus | No recent samples | |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) | 40 | Mesotrophic |
Moderate nutrients, good water quality
Water Temperature
Big Bateau Lake typically sits around 69°F at the surface in September. Summer average is about 70°F. Usually warmest in Jul (about 77°F) and coldest in Jun (about 63°F). These are typical values by month — not a live reading.
Typical surface water temperature by month, from 8 field readings (2010–2023) via the EPA Water Quality Portal. See the full Big Bateau Lake water temperature breakdown →
Lake Details
| Characteristic | Value |
|---|---|
| Maximum Depth | 37 ft |
| Surface Area | 234 acres |
Lake Size & Watershed
Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS).
Fishing Big Bateau Lake
Water Quality Trend: ↑ Improving
Based on 3 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | ↑ Improving | +0.852 m/yr | 3 |
Graded lakes near Big Bateau Lake
Big Bateau Lake has no grade, but these lakes within a short drive do.
Nearby Lakes in Gogebic County
Frequently asked questions about Big Bateau Lake
Where is Big Bateau Lake?
- Big Bateau Lake is a lake in Gogebic County, Michigan. LakeQuality has not rated this lake (UNRATED) — the only measurement available is water clarity, which is not a water-quality indicator on its own — EPA's National Lakes Assessment does not grade clarity.
What is the water quality grade for Big Bateau Lake?
- Big Bateau Lake in Gogebic County, Michigan is not rated for water quality — its monitoring record does not meet the evidence bar. Water clarity: 13 ft visibility. Maximum depth: 37 ft. Surface area: 234.1 acres.
Is Big Bateau Lake safe to swim in?
- The letter is not a swimming clearance. Check local advisories before you swim.
What is the water temperature of Big Bateau Lake?
- Big Bateau Lake typically sits around 69°F at the surface in September, from 8 EPA Water Quality Portal field readings (2010–2023). That is a typical value for the month, not a live reading.
How deep is Big Bateau Lake?
- Big Bateau Lake has a maximum depth of 37 feet. The lake covers 234.1 acres.
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Where this data comes from
3 measurements from 1 monitoring station, 2017–2023. Retrieved from the EPA Water Quality Portal on 2026-08-26.
Collected and reported by
- Eastern Regional Office
USFSEASTERN3 samples · 2017–2023
Monitoring station identifiers (1)
Grade thresholds from the EPA National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion. See how grades are calculated and data sources.
Other records on this page
Lake size & watershed from HydroLAKES (HydroSHEDS)