Chisholms Lake
Guysborough, Nova Scotia16 haView mapDirections
NSECC publishes the water-quality measurements for Chisholms Lake. Here is what has been measured.
- 10 ft max depth
- Limited data
Chisholms Lake in Guysborough, Nova Scotia has water-quality measurements published by NSECC, shown here as reported. Water clarity: 1.4 m visibility. Phosphorus: 25 µg/L. Maximum depth: 9.8 ft. Surface area: 38.9 acres.
Chisholms Lake is a 39-acre lake in Guysborough County, Nova Scotia with a maximum depth of 10 feet (4-foot average).
Source: Nova Scotia Environment and Climate Change — not the EPA Water Quality Portal, last sampled 2004-08-17. 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 Chisholms 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 Chisholms Lake
These are the measurements NSECC publishes for Chisholms Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
Murky, only visible to about 4.4 ft. Phosphorus 25 µg/L. TSI 53.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 1.35m | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | 25µg/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. | 53 | Eutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
High nutrients, frequent algae, reduced clarity
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Lake Details
Max depth
3 m
Average depth
1.3 m
Surface area
16 ha
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Frequently asked questions about Chisholms Lake
Where is Chisholms Lake?
- Chisholms 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 Chisholms Lake?
- Chisholms Lake in Guysborough, Nova Scotia has water-quality measurements published by NSECC, shown here as reported. Water clarity: 1.4 m visibility. Phosphorus: 25 µg/L. Maximum depth: 9.8 ft. Surface area: 38.9 acres.
Is Chisholms Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
How deep is Chisholms Lake?
- Chisholms Lake has a maximum depth of 9.8 feet and an average depth of 4.4 feet. The lake covers 38.9 acres.
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Where this data comes from
2 measurements from 1 monitoring station, 2001–2004. Retrieved from Nova Scotia open data (not the EPA Water Quality Portal) on 2026-08-16.
Collected and reported by
- NSDAF
NSDAF2 samples · 2001–2004
Monitoring station identifiers (1)
222
Canadian lakes are published with the measurements their provincial programme reports. See where the data comes from and data sources.