Roseway Lake
Shelburne, Nova Scotia241 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.
- 39 ft max depth
- Limited data
Roseway Lake in Shelburne, 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: 1.8 m visibility. Maximum depth: 39.4 ft. Surface area: 596.3 acres.
- Clarity
- 1.8 m
- Max depth
- 12 m
- Area
- 241 ha
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Why Roseway 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 Roseway 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.
Roseway Lake is a 596-acre lake in Shelburne County, Nova Scotia with a maximum depth of 39 feet (12-foot average).
Source: Nova Scotia Environment and Climate Change — not the EPA Water Quality Portal, last sampled 1974-06-22. Grade methodology: LakeQuality methodology.
What Roseway Lake is good for
From access and monitoring records, not editorial picks.
- Deep water39.4 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 Roseway Lake
These are the measurements NSECC publishes for Roseway Lake. No A–F letter applies here: see why.
Murky, only visible to about 5.9 ft. TSI 52.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 1.8 m | Measured, not scored |
| Phosphorus | No recent samples | |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) | 52 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Lake Details
| Characteristic | Value |
|---|---|
| Maximum Depth | 12 m |
| Average Depth | 3.5 m |
| Surface Area | 241 ha |
Fishing Roseway Lake
Nearby Lakes in Shelburne
Frequently asked questions about Roseway Lake
Where is Roseway Lake?
- Roseway Lake is a lake in Shelburne, 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 Roseway Lake?
- Roseway Lake in Shelburne, 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: 1.8 m visibility. Maximum depth: 39.4 ft. Surface area: 596.3 acres.
Is Roseway Lake safe to swim in?
- The letter is not a swimming clearance. Check local advisories before you swim.
How deep is Roseway Lake?
- Roseway Lake has a maximum depth of 39.4 feet and an average depth of 11.5 feet. The lake covers 596.3 acres.
Explore Roseway Lake across LakeQuality
More lakes in Nova Scotia
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Where this data comes from
1 measurement from 1 monitoring station, 1974. 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 · 1974
Monitoring station identifiers (1)
972
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.