Armstrong Lake
Kings, Nova Scotia95 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
Armstrong Lake in Kings, 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 m visibility. Maximum depth: 19.7 ft. Surface area: 234 acres.
- Clarity
- 2 m
- Max depth
- 6 m
- Area
- 95 ha
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Why Armstrong 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 Armstrong 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.
Armstrong Lake is a 234-acre lake in Kings County, Nova Scotia with a maximum depth of 20 feet (10-foot average).
Source: Nova Scotia Environment and Climate Change — not the EPA Water Quality Portal, last sampled 1976-08-31. 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 Armstrong Lake
These are the measurements NSECC publishes for Armstrong Lake. No A–F letter applies here: see why.
Murky, only visible to about 6.6 ft. TSI 50.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 2 m | Measured, not scored |
| Phosphorus | No recent samples | |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) | 50 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Lake Details
| Characteristic | Value |
|---|---|
| Maximum Depth | 6 m |
| Average Depth | 3.1 m |
| Surface Area | 95 ha |
Fishing Armstrong Lake
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Frequently asked questions about Armstrong Lake
Where is Armstrong Lake?
- Armstrong Lake is a lake in Kings, 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 Armstrong Lake?
- Armstrong Lake in Kings, 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 m visibility. Maximum depth: 19.7 ft. Surface area: 234 acres.
Is Armstrong Lake safe to swim in?
- The letter is not a swimming clearance. Check local advisories before you swim.
How deep is Armstrong Lake?
- Armstrong Lake has a maximum depth of 19.7 feet and an average depth of 10.2 feet. The lake covers 234 acres.
Explore Armstrong Lake across LakeQuality
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Where this data comes from
1 measurement from 1 monitoring station, 1976. Retrieved from Nova Scotia open data (not the EPA Water Quality Portal) on 2026-08-16.
Collected and reported by
- Lands and Forests
Lands and Forests1 sample · 1976
Monitoring station identifiers (1)
7
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.