Portuguese Cove Lake
Halifax, Nova Scotia18 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.
- 16 ft max depth
- Limited data
Portuguese Cove 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: 2.1 m visibility. Phosphorus: 14.3 µg/L. Chlorophyll-a (algae): 1.4 µg/L. Maximum depth: 16.4 ft. Surface area: 44 acres.
- Clarity
- 2.1 m
- Max depth
- 5 m
- Area
- 18 ha
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Why Portuguese Cove 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 Portuguese Cove 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.
Portuguese Cove Lake is a 44-acre lake in Halifax County, Nova Scotia with a maximum depth of 16 feet (8-foot average).
Source: Nova Scotia Environment and Climate Change — not the EPA Water Quality Portal, last sampled 1990-07-28. Grade methodology: LakeQuality methodology.
Swimming Safety
Not ratedLimited data
The letter is not a swimming clearance. Check local advisories before you swim.
Water quality measurements for Portuguese Cove Lake
These are the measurements NSECC publishes for Portuguese Cove Lake. No A–F letter applies here: see why.
Moderate clarity, visible to about 6.7 ft. Phosphorus 14.3 µg/L. Chlorophyll-a 1.4 µg/L. TSI 42.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 2.05 m | Measured, not scored |
| Phosphorus | 14.3 µg/L | Measured, not scored |
| Chlorophyll-a (Algae) | 1.4 µg/L | Measured, not scored |
| Trophic State Index (TSI) | 42 | Mesotrophic |
Moderate nutrients, good water quality
Lake Details
| Characteristic | Value |
|---|---|
| Maximum Depth | 5 m |
| Average Depth | 2.3 m |
| Surface Area | 18 ha |
Fishing Portuguese Cove Lake
Nearby Lakes in Halifax
Frequently asked questions about Portuguese Cove Lake
Where is Portuguese Cove Lake?
- Portuguese Cove 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 Portuguese Cove Lake?
- Portuguese Cove 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: 2.1 m visibility. Phosphorus: 14.3 µg/L. Chlorophyll-a (algae): 1.4 µg/L. Maximum depth: 16.4 ft. Surface area: 44 acres.
Is Portuguese Cove Lake safe to swim in?
- The letter is not a swimming clearance. Check local advisories before you swim.
How deep is Portuguese Cove Lake?
- Portuguese Cove Lake has a maximum depth of 16.4 feet and an average depth of 7.5 feet. The lake covers 44 acres.
Explore Portuguese Cove Lake across LakeQuality
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Where this data comes from
10 measurements from 1 monitoring station, 1979–1990. Retrieved from Nova Scotia open data (not the EPA Water Quality Portal) on 2026-08-16.
Collected and reported by
- Soil and Water Conservation Society of Metro
Soil and Water Conservation Society of Metro3 samples · 1990 - Lands and Forests
Lands and Forests1 sample · 1979
Monitoring station identifiers (1)
891
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.