Sundown Lake
Annapolis, 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.
- Limited data
Sundown Lake in Annapolis, 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: 5.1 m visibility. Surface area: 31.6 acres.
- Clarity
- 5.1 m
- Area
- 13 ha
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Why Sundown 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 Sundown 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.
Sundown Lake is a 32-acre lake in Annapolis County, Nova Scotia.
Source: Nova Scotia Environment and Climate Change — not the EPA Water Quality Portal, last sampled 1975-08-07. Grade methodology: LakeQuality methodology.
What Sundown Lake is good for
From access and monitoring records, not editorial picks.
- Clear water16.7 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 Sundown Lake
These are the measurements NSECC publishes for Sundown Lake. No A–F letter applies here: see why.
Crystal clear, you can see 16.7 ft down. TSI 37.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 5.1 m | Measured, not scored |
| Phosphorus | No recent samples | |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) | 37 | Oligotrophic |
Low nutrients, clear water. The letter is not a swimming clearance.
Lake Details
| Characteristic | Value |
|---|---|
| Surface Area | 13 ha |
The available depth estimate for Sundown Lake is shallower than its measured water clarity, which cannot be right, so no depth is shown.
Fishing Sundown Lake
Nearby Lakes in Annapolis
Frequently asked questions about Sundown Lake
Where is Sundown Lake?
- Sundown Lake is a lake in Annapolis, 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 Sundown Lake?
- Sundown Lake in Annapolis, 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: 5.1 m visibility. Surface area: 31.6 acres.
Is Sundown Lake safe to swim in?
- The letter is not a swimming clearance. Check local advisories before you swim.
How deep is Sundown Lake?
- The available depth estimate for Sundown Lake is shallower than its measured water clarity, which cannot be right, so no depth is shown. The lake covers 31.6 acres.
Explore Sundown Lake across LakeQuality
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Where this data comes from
1 measurement from 1 monitoring station, 1975. 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 · 1975
Monitoring station identifiers (1)
17
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.