Donahue Lake
Guysborough, Nova Scotia321 haView mapDirections
NSECC publishes the water-quality measurements for Donahue Lake. Here is what has been measured.
- 53 ft max depth
- Limited data
Donahue Lake in Guysborough, Nova Scotia has water-quality measurements published by NSECC, shown here as reported. Water clarity: 3.1 m visibility. Phosphorus: 4 µg/L. Maximum depth: 52.5 ft. Surface area: 793.2 acres.
Donahue Lake is a 793-acre lake in Guysborough County, Nova Scotia with a maximum depth of 53 feet (1-foot average).
Source: Nova Scotia Environment and Climate Change — not the EPA Water Quality Portal, last sampled 1985-08-23. Methodology: how these readings are compared.
What Donahue Lake is good for
From access and monitoring records, not editorial picks.
- Clear water10.2 ft of visibility
- Deep water52.5 ft surveyed max depth
Swimming conditions
No readingLimited data
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Donahue Lake is safe to swim in today is a call for Nova Scotia Environment and Climate Change and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Donahue Lake
These are the measurements NSECC publishes for Donahue Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
Good clarity, visible to about 10.2 ft. Phosphorus 4 µg/L. TSI 34.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 3.1m | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | 4µg/L | Measured, not scored The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential. |
| Chlorophyll-a (algae) | No reading The green pigment in algae — a direct measure of how much algae is in the water. | |
| Trophic state (TSI)Carlson's 0–100 index of how much algae a lake can support, from clarity, phosphorus and chlorophyll-a. | 34 | Oligotrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Low nutrients, clear water. No reading is a swimming clearance.
Ask about Donahue Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
16 m
Average depth
0.4 m
Surface area
321 ha
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Fishing Donahue Lake
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Frequently asked questions about Donahue Lake
Where is Donahue Lake?
- Donahue Lake is a lake in Guysborough, Nova Scotia. Its water-quality measurements are published by NSECC and shown on this page as reported.
What is the water quality of Donahue Lake?
- Donahue Lake in Guysborough, Nova Scotia has water-quality measurements published by NSECC, shown here as reported. Water clarity: 3.1 m visibility. Phosphorus: 4 µg/L. Maximum depth: 52.5 ft. Surface area: 793.2 acres.
Is Donahue Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
How deep is Donahue Lake?
- Donahue Lake has a maximum depth of 52.5 feet and an average depth of 1.3 feet. The lake covers 793.2 acres.
Explore Donahue Lake across LakeQuality
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Where this data comes from
2 measurements from 1 monitoring station, 1985. 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 · 1985
Monitoring station identifiers (1)
6
Canadian lakes are published with the measurements their provincial programme reports. See where the data comes from and data sources.