Henry Lake
Halifax, Nova Scotia13 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.
- 20 ft max depth
- Limited data
Henry 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: 1 m visibility. Maximum depth: 19.7 ft. Surface area: 32.6 acres.
- Clarity
- 1 m
- Max depth
- 6 m
- Area
- 13 ha
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Why Henry 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 Henry Lake at any level of sampling. Sampling here has recorded water clarity, but not 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.
Henry Lake is a 33-acre lake in Halifax County, Nova Scotia with a maximum depth of 20 feet (8-foot average).
Source: Nova Scotia Environment and Climate Change — not the EPA Water Quality Portal, last sampled 1971-08-17. 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 Henry Lake
These are the measurements NSECC publishes for Henry Lake. No A–F letter applies here: see why.
Very murky, less than 3.1 ft of visibility. TSI 61.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 0.95 m | Measured, not scored |
| Phosphorus | No recent samples | |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) | 61 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Lake Details
| Characteristic | Value |
|---|---|
| Maximum Depth | 6 m |
| Average Depth | 2.5 m |
| Surface Area | 13 ha |
Fishing Henry Lake
Nearby Lakes in Halifax
Frequently asked questions about Henry Lake
Where is Henry Lake?
- Henry 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 Henry Lake?
- Henry 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: 1 m visibility. Maximum depth: 19.7 ft. Surface area: 32.6 acres.
Is Henry Lake safe to swim in?
- The letter is not a swimming clearance. Check local advisories before you swim.
How deep is Henry Lake?
- Henry Lake has a maximum depth of 19.7 feet and an average depth of 8.2 feet. The lake covers 32.6 acres.
Explore Henry Lake across LakeQuality
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Where this data comes from
1 measurement from 1 monitoring station, 1971. Retrieved from Nova Scotia open data (not the EPA Water Quality Portal) on 2026-08-16.
Collected and reported by
- NS Dept. of Fisheries
NS Dept. of Fisheries1 sample · 1993 - 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)
934
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.