Morrison Lake
Richmond, Nova Scotia10 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.
- 3 ft max depth
- Limited data
Morrison Lake 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. Phosphorus: 2.5 µg/L. Maximum depth: 3.3 ft. Surface area: 25.7 acres.
- Max depth
- 1 m
- Area
- 10 ha
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Why Morrison 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 Morrison Lake at any level of sampling. Sampling here has recorded phosphorus, but not water clarity 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.
Morrison Lake is a 26-acre lake in Richmond County, Nova Scotia with a maximum depth of 3 feet (2-foot average).
Source: Nova Scotia Environment and Climate Change — not the EPA Water Quality Portal, last sampled 1984-07-10. 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 Morrison Lake
These are the measurements NSECC publishes for Morrison Lake. No A–F letter applies here: see why.
No clarity data. Phosphorus 2.5 µg/L. TSI 17.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | No recent samples | |
| Phosphorus | 2.5 µg/L | Measured, not scored |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) | 17 | Oligotrophic |
Low nutrients, clear water. The letter is not a swimming clearance.
Lake Details
| Characteristic | Value |
|---|---|
| Maximum Depth | 1 m |
| Average Depth | 0.5 m |
| Surface Area | 10 ha |
Fishing Morrison Lake
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Frequently asked questions about Morrison Lake
Where is Morrison Lake?
- Morrison Lake 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 Morrison Lake?
- Morrison Lake 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. Phosphorus: 2.5 µg/L. Maximum depth: 3.3 ft. Surface area: 25.7 acres.
Is Morrison Lake safe to swim in?
- The letter is not a swimming clearance. Check local advisories before you swim.
How deep is Morrison Lake?
- Morrison Lake has a maximum depth of 3.3 feet and an average depth of 1.6 feet. The lake covers 25.7 acres.
Explore Morrison Lake across LakeQuality
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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, NSDOE2 samples · 1984
Monitoring station identifiers (1)
38
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.