Sunken Lake
Kings, Nova Scotia28 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
Sunken 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: 3.5 m visibility. Phosphorus: 3 µg/L. Maximum depth: 19.7 ft. Surface area: 70.4 acres.
- Clarity
- 3.5 m
- Max depth
- 6 m
- Area
- 28 ha
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Why Sunken 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 Sunken Lake at any level of sampling. Sampling here has recorded water clarity and phosphorus, but not 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.
Sunken Lake is a 70-acre lake in Kings 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 1981-06-24. Grade methodology: LakeQuality methodology.
What Sunken Lake is good for
From access and monitoring records, not editorial picks.
- Clear water11.5 ft of visibility
Swimming Safety
Not ratedLimited data
The letter is not a swimming clearance. Check local advisories before you swim.
Water quality measurements for Sunken Lake
These are the measurements NSECC publishes for Sunken Lake. No A–F letter applies here: see why.
Good clarity, visible to about 11.5 ft. Phosphorus 3 µg/L. TSI 31.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 3.5 m | Measured, not scored |
| Phosphorus | 3 µg/L | Measured, not scored |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) | 31 | Oligotrophic |
Low nutrients, clear water. The letter is not a swimming clearance.
Lake Details
| Characteristic | Value |
|---|---|
| Maximum Depth | 6 m |
| Average Depth | 2.5 m |
| Surface Area | 28 ha |
Fishing Sunken Lake
Nearby Lakes in Kings
Frequently asked questions about Sunken Lake
Where is Sunken Lake?
- Sunken 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 Sunken Lake?
- Sunken 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: 3.5 m visibility. Phosphorus: 3 µg/L. Maximum depth: 19.7 ft. Surface area: 70.4 acres.
Is Sunken Lake safe to swim in?
- The letter is not a swimming clearance. Check local advisories before you swim.
How deep is Sunken Lake?
- Sunken Lake has a maximum depth of 19.7 feet and an average depth of 8.2 feet. The lake covers 70.4 acres.
Explore Sunken Lake across LakeQuality
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Where this data comes from
2 measurements from 1 monitoring station, 1981. Retrieved from Nova Scotia open data (not the EPA Water Quality Portal) on 2026-08-16.
Collected and reported by
- Lands and Forests, NSDOE
Lands and Forests, NSDOE1 sample · 1981
Monitoring station identifiers (1)
34
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.