Otter Lake
Cape Breton, Nova Scotia6 haView mapDirections
NSECC publishes the water-quality measurements for Otter Lake. Here is what has been measured.
- 10 ft max depth
- Limited data
Otter Lake in Cape Breton, Nova Scotia has water-quality measurements published by NSECC, shown here as reported. Phosphorus: 2 µg/L. Maximum depth: 9.8 ft. Surface area: 13.6 acres.
Otter Lake is a 14-acre lake in Cape Breton County, Nova Scotia with a maximum depth of 10 feet (3-foot average).
Source: Nova Scotia Environment and Climate Change — not the EPA Water Quality Portal, last sampled 1986-09-29. 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 Otter 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 Otter Lake
These are the measurements NSECC publishes for Otter Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
No clarity data. Phosphorus 2 µg/L. TSI 14.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | No reading How deep a black-and-white disk stays visible from the surface. Higher is clearer. | |
| Total phosphorus | 2µg/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. | 14 | Oligotrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Low nutrients, clear water. No reading is a swimming clearance.
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Lake Details
Max depth
3 m
Average depth
0.8 m
Surface area
6 ha
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Frequently asked questions about Otter Lake
Where is Otter Lake?
- Otter Lake is a lake in Cape Breton, Nova Scotia. Its water-quality measurements are published by NSECC and shown on this page as reported.
What is the water quality of Otter Lake?
- Otter Lake in Cape Breton, Nova Scotia has water-quality measurements published by NSECC, shown here as reported. Phosphorus: 2 µg/L. Maximum depth: 9.8 ft. Surface area: 13.6 acres.
Is Otter Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
How deep is Otter Lake?
- Otter Lake has a maximum depth of 9.8 feet and an average depth of 2.6 feet. The lake covers 13.6 acres.
Explore Otter Lake across LakeQuality
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Where this data comes from
1 measurement from 1 monitoring station, 1986. 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 · 1986
Monitoring station identifiers (1)
84
Canadian lakes are published with the measurements their provincial programme reports. See where the data comes from and data sources.