Second Lake
Halifax, Nova Scotia90 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.
- 46 ft max depth
- Limited data
Second 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: 4.4 m visibility. Phosphorus: 7.4 µg/L. Chlorophyll-a (algae): 1.2 µg/L. Maximum depth: 45.9 ft. Surface area: 223.1 acres.
- Clarity
- 4.4 m
- Max depth
- 14 m
- Area
- 90 ha
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Why Second 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 Second 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.
Second Lake is a 223-acre lake in Halifax County, Nova Scotia with a maximum depth of 46 feet (12-foot average).
Source: Nova Scotia Environment and Climate Change — not the EPA Water Quality Portal, last sampled 2007-11-20. Grade methodology: LakeQuality methodology.
What Second Lake is good for
From access and monitoring records, not editorial picks.
- Clear water14.4 ft of visibility
- Deep water45.9 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 Second Lake
These are the measurements NSECC publishes for Second Lake. No A–F letter applies here: see why.
Good clarity, visible to about 14.4 ft. Phosphorus 7.4 µg/L. Chlorophyll-a 1.2 µg/L. TSI 35.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 4.4 m | Measured, not scored |
| Phosphorus | 7.4 µg/L | Measured, not scored |
| Chlorophyll-a (Algae) | 1.2 µg/L | Measured, not scored |
| Trophic State Index (TSI) | 35 | Oligotrophic |
Low nutrients, clear water. The letter is not a swimming clearance.
Lake Details
| Characteristic | Value |
|---|---|
| Maximum Depth | 14 m |
| Average Depth | 3.7 m |
| Surface Area | 90 ha |
Fishing Second Lake
Nearby Lakes in Halifax
Frequently asked questions about Second Lake
Where is Second Lake?
- Second 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 Second Lake?
- Second 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: 4.4 m visibility. Phosphorus: 7.4 µg/L. Chlorophyll-a (algae): 1.2 µg/L. Maximum depth: 45.9 ft. Surface area: 223.1 acres.
Is Second Lake safe to swim in?
- The letter is not a swimming clearance. Check local advisories before you swim.
How deep is Second Lake?
- Second Lake has a maximum depth of 45.9 feet and an average depth of 12.2 feet. The lake covers 223.1 acres.
Explore Second Lake across LakeQuality
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Oligotrophic Lakes in Nova Scotia
Where this data comes from
16 measurements from 1 monitoring station, 1951–2007. 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 Metro4 samples · 1990 - DOE
DOE2 samples · 1951–1983 - NSDFA
NSDFA1 sample · 2007 - Submitting organization not recorded for these samples1 sample · 1971
Some records reached the portal without a submitting organization. Those samples are counted above but not attributed.
Monitoring station identifiers (1)
168
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.