Shubenacadie Grand Lake
Halifax, Nova ScotiaView 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.
- 148 ft max depth
- Limited data
Shubenacadie Grand Lake in Halifax, 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: 6.3 m visibility. Phosphorus: 8.5 µg/L. Chlorophyll-a (algae): 0.9 µg/L. Maximum depth: 147.6 ft.
- Clarity
- 6.3 m
- Max depth
- 45 m
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Why Shubenacadie Grand 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 Shubenacadie Grand 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.
Shubenacadie Grand Lake is a lake in Halifax County, Nova Scotia with a maximum depth of 148 feet (54-foot average).
Source: Nova Scotia Environment and Climate Change — not the EPA Water Quality Portal, last sampled 2002-11-12. Grade methodology: LakeQuality methodology.
What Shubenacadie Grand Lake is good for
From access and monitoring records, not editorial picks.
- Clear water20.7 ft of visibility
- Deep water147.6 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 Shubenacadie Grand Lake
These are the measurements NSECC publishes for Shubenacadie Grand Lake. No A–F letter applies here: see why.
Crystal clear, you can see 20.7 ft down. Phosphorus 8.5 µg/L. Chlorophyll-a 0.9 µg/L. TSI 33.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 6.3 m | Measured, not scored |
| Phosphorus | 8.5 µg/L | Measured, not scored |
| Chlorophyll-a (Algae) | 0.9 µg/L | Measured, not scored |
| Trophic State Index (TSI) | 33 | Oligotrophic |
Low nutrients, clear water. The letter is not a swimming clearance.
Lake Details
| Characteristic | Value |
|---|---|
| Maximum Depth | 45 m |
| Average Depth | 16.5 m |
Fishing Shubenacadie Grand Lake
Nearby Lakes in Halifax
Frequently asked questions about Shubenacadie Grand Lake
Where is Shubenacadie Grand Lake?
- Shubenacadie Grand Lake is a lake in Halifax, 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 Shubenacadie Grand Lake?
- Shubenacadie Grand Lake in Halifax, 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: 6.3 m visibility. Phosphorus: 8.5 µg/L. Chlorophyll-a (algae): 0.9 µg/L. Maximum depth: 147.6 ft.
Is Shubenacadie Grand Lake safe to swim in?
- The letter is not a swimming clearance. Check local advisories before you swim.
How deep is Shubenacadie Grand Lake?
- Shubenacadie Grand Lake has a maximum depth of 147.6 feet and an average depth of 54.1 feet.
Explore Shubenacadie Grand Lake across LakeQuality
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Where this data comes from
5 measurements from 1 monitoring station, 1974–2002. Retrieved from Nova Scotia open data (not the EPA Water Quality Portal) on 2026-08-16.
Collected and reported by
- NSDAF
NSDAF1 sample · 2002 - Environment Canada- Shubenacadie Headwaters Enviro
Environment Canada- Shubenacadie Headwaters Enviro1 sample · 1974
Monitoring station identifiers (1)
875
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.