Clear Lake
Colchester, Nova Scotia8 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
Clear Lake in Colchester, 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: 6 m visibility. Maximum depth: 19.7 ft. Surface area: 18.8 acres.
- Clarity
- 6 m
- Max depth
- 6 m
- Area
- 8 ha
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Why Clear 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 Clear 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.
Clear Lake is a 19-acre lake in Colchester County, Nova Scotia with a maximum depth of 20 feet (6-foot average).
Source: Nova Scotia Environment and Climate Change — not the EPA Water Quality Portal, last sampled 1977-08-01. Grade methodology: LakeQuality methodology.
What Clear Lake is good for
From access and monitoring records, not editorial picks.
- Clear water19.7 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 Clear Lake
These are the measurements NSECC publishes for Clear Lake. No A–F letter applies here: see why.
Crystal clear, you can see 19.7 ft down. TSI 34.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 6 m | Measured, not scored |
| Phosphorus | No recent samples | |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) | 34 | Oligotrophic |
Low nutrients, clear water. The letter is not a swimming clearance.
Lake Details
| Characteristic | Value |
|---|---|
| Maximum Depth | 6 m |
| Average Depth | 1.7 m |
| Surface Area | 8 ha |
Fishing Clear Lake
Nearby Lakes in Colchester
Frequently asked questions about Clear Lake
Where is Clear Lake?
- Clear Lake is a lake in Colchester, 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 Clear Lake?
- Clear Lake in Colchester, 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: 6 m visibility. Maximum depth: 19.7 ft. Surface area: 18.8 acres.
Is Clear Lake safe to swim in?
- The letter is not a swimming clearance. Check local advisories before you swim.
How deep is Clear Lake?
- Clear Lake has a maximum depth of 19.7 feet and an average depth of 5.6 feet. The lake covers 18.8 acres.
Explore Clear Lake across LakeQuality
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Where this data comes from
1 measurement from 1 monitoring station, 1977. 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 · 1977
Monitoring station identifiers (1)
987
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.