Colin Macraes Lakes
Richmond, Nova Scotia92 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.
- 36 ft max depth
- Limited data
Colin Macraes Lakes in Richmond, 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: 4 m visibility. Phosphorus: 3 µg/L. Maximum depth: 36.1 ft. Surface area: 228.1 acres.
- Clarity
- 4 m
- Max depth
- 11 m
- Area
- 92 ha
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Why Colin Macraes Lakes 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 Colin Macraes Lakes 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.
Colin Macraes Lakes is a 228-acre lake in Richmond County, Nova Scotia with a maximum depth of 36 feet (9-foot average).
Source: Nova Scotia Environment and Climate Change — not the EPA Water Quality Portal, last sampled 1984-08-01. Grade methodology: LakeQuality methodology.
What Colin Macraes Lakes is good for
From access and monitoring records, not editorial picks.
- Clear water13 ft of visibility
- Deep water36.1 ft surveyed max depth
Swimming Safety
Not ratedLimited data
The letter is not a swimming clearance. Check local advisories before you swim.
Water quality measurements for Colin Macraes Lakes
These are the measurements NSECC publishes for Colin Macraes Lakes. No A–F letter applies here: see why.
Good clarity, visible to about 13 ft. Phosphorus 3 µg/L. TSI 30.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 3.95 m | Measured, not scored |
| Phosphorus | 3 µg/L | Measured, not scored |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) | 30 | Oligotrophic |
Low nutrients, clear water. The letter is not a swimming clearance.
Lake Details
| Characteristic | Value |
|---|---|
| Maximum Depth | 11 m |
| Average Depth | 2.6 m |
| Surface Area | 92 ha |
Fishing Colin Macraes Lakes
Nearby Lakes in Richmond
Frequently asked questions about Colin Macraes Lakes
Where is Colin Macraes Lakes?
- Colin Macraes Lakes is a lake in Richmond, 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 Colin Macraes Lakes?
- Colin Macraes Lakes in Richmond, 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: 4 m visibility. Phosphorus: 3 µg/L. Maximum depth: 36.1 ft. Surface area: 228.1 acres.
Is Colin Macraes Lakes safe to swim in?
- The letter is not a swimming clearance. Check local advisories before you swim.
How deep is Colin Macraes Lakes?
- Colin Macraes Lakes has a maximum depth of 36.1 feet and an average depth of 8.5 feet. The lake covers 228.1 acres.
Explore Colin Macraes Lakes across LakeQuality
More lakes in Nova Scotia
Other Lakes in Nova Scotia
Oligotrophic Lakes in Nova Scotia
Where this data comes from
2 measurements from 1 monitoring station, 1984. 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 · 1984
Monitoring station identifiers (1)
45
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.