Caribou Lake
Lunenburg, Nova Scotia274 haView mapDirections
No A–F letter for this lake. The letter is scored against EPA reference conditions for a lake’s ecoregion, and those stop at the US border. Here is what has been measured.
- 164 ft max depth
- Limited data
Caribou Lake in Lunenburg, Nova Scotia has water-quality measurements published by NSECC and no A–F letter. The letter's EPA reference conditions stop at the US border. Water clarity: 9.1 m visibility. Phosphorus: 4 µg/L. Chlorophyll-a (algae): 0.5 µg/L. Maximum depth: 164 ft. Surface area: 676.8 acres.
- Clarity
- 9.1 m
- Max depth
- 50 m
- Area
- 274 ha
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Why Caribou Lake has no A–F letter
The LakeQuality letter is scored against EPA National Lakes Assessment reference conditions for a lake’s ecoregion, and those stop at the US border. There is no reference condition for Nova Scotia, so the scale cannot be applied to Caribou Lake at any level of sampling. Sampling here has recorded water clarity, phosphorus and algae (chlorophyll-a).
This is not a gap in the monitoring record. NSECC publishes these measurements directly, and everything below that has been measured is reported on this page as NSECC reports it.
Monitoring: Nova Scotia Environment and Climate Change. Read the full grading methodology.
Caribou Lake is a 677-acre lake in Lunenburg County, Nova Scotia with a maximum depth of 164 feet (67-foot average).
Source: Nova Scotia Environment and Climate Change — not the EPA Water Quality Portal, last sampled 2000-08-31. Grade methodology: LakeQuality methodology.
What Caribou Lake is good for
From access and monitoring records, not editorial picks.
- Clear water29.7 ft of visibility
- Deep water164 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 Caribou Lake
These are the measurements NSECC publishes for Caribou Lake. No A–F letter applies here: see why.
Crystal clear, you can see 29.7 ft down. Phosphorus 4 µg/L. Chlorophyll-a 0.5 µg/L. TSI 25.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 9.05 m | Measured, not scored |
| Phosphorus | 4 µg/L | Measured, not scored |
| Chlorophyll-a (Algae) | 0.5 µg/L | Measured, not scored |
| Trophic State Index (TSI) | 25 | Oligotrophic |
Low nutrients, clear water. The letter is not a swimming clearance.
Lake Details
| Characteristic | Value |
|---|---|
| Maximum Depth | 50 m |
| Average Depth | 20.3 m |
| Surface Area | 274 ha |
Fishing Caribou Lake
Nearby Lakes in Lunenburg
Frequently asked questions about Caribou Lake
Where is Caribou Lake?
- Caribou Lake is a lake in Lunenburg, Nova Scotia. Its water-quality measurements are published by NSECC, and it carries no A–F letter, because no reference condition exists for lakes in this region, so the assessment thresholds behind the A–F scale cannot be applied here.
What is the water quality grade for Caribou Lake?
- Caribou Lake in Lunenburg, Nova Scotia has water-quality measurements published by NSECC and no A–F letter. The letter's EPA reference conditions stop at the US border. Water clarity: 9.1 m visibility. Phosphorus: 4 µg/L. Chlorophyll-a (algae): 0.5 µg/L. Maximum depth: 164 ft. Surface area: 676.8 acres.
Is Caribou Lake safe to swim in?
- The letter is not a swimming clearance. Check local advisories before you swim.
How deep is Caribou Lake?
- Caribou Lake has a maximum depth of 164 feet and an average depth of 66.6 feet. The lake covers 676.8 acres.
Explore Caribou Lake across LakeQuality
More lakes in Nova Scotia
Other Lakes in Nova Scotia
Oligotrophic Lakes in Nova Scotia
Where this data comes from
6 measurements from 1 monitoring station, 1958–2000. Retrieved from Nova Scotia open data (not the EPA Water Quality Portal) on 2026-08-16.
Collected and reported by
- DOE
DOE2 samples · 1958–1983 - NS Dept. of Fisheries
NS Dept. of Fisheries1 sample · 2000 - Lands and Forests
Lands and Forests1 sample · 1980
Monitoring station identifiers (1)
18
Canadian lakes are published with the measurements their provincial programme reports, and without a LakeQuality A–F letter. The letter is scored against EPA reference conditions for a lake’s ecoregion, and the EPA does not survey these lakes. See how grades are calculated and data sources.