Gary Lake
Guysborough, Nova Scotia9 haView mapDirections
NSECC publishes the water-quality measurements for Gary Lake. Here is what has been measured.
- Limited data
Gary Lake in Guysborough, Nova Scotia has water-quality measurements published by NSECC, shown here as reported. Water clarity: 2.2 m visibility. Surface area: 22 acres.
Gary Lake is a 22-acre lake in Guysborough County, Nova Scotia.
Source: Nova Scotia Environment and Climate Change — not the EPA Water Quality Portal, last sampled 1977-08-23. Methodology: how these readings are compared.
Swimming conditions
No readingLimited data
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Gary 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 Gary Lake
These are the measurements NSECC publishes for Gary Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
Moderate clarity, visible to about 7.2 ft. TSI 49.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 2.2m | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | No reading 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. | 49 | Mesotrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Moderate nutrients, good water quality
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Lake Details
Average depth
Not documented
Surface area
9 ha
The available depth estimate for Gary Lake is shallower than its measured water clarity, which cannot be right, so no depth is shown.
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Frequently asked questions about Gary Lake
Where is Gary Lake?
- Gary 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 Gary Lake?
- Gary Lake in Guysborough, Nova Scotia has water-quality measurements published by NSECC, shown here as reported. Water clarity: 2.2 m visibility. Surface area: 22 acres.
Is Gary Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
How deep is Gary Lake?
- The available depth estimate for Gary Lake is shallower than its measured water clarity, which cannot be right, so no depth is shown. The lake covers 22 acres.
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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
- DFO
DFO1 sample · 1977
Monitoring station identifiers (1)
975
Canadian lakes are published with the measurements their provincial programme reports. See where the data comes from and data sources.