Lewis Lake
Halifax, Nova Scotia21 haView mapDirections
NSECC publishes the water-quality measurements for Lewis Lake. Here is what has been measured.
- 7 ft max depth
- Limited data
Lewis Lake in Halifax, Nova Scotia has water-quality measurements published by NSECC, shown here as reported. Water clarity: 2 m visibility. Phosphorus: 4 µg/L. Maximum depth: 6.6 ft. Surface area: 51.9 acres.
Lewis Lake is a 52-acre lake in Halifax County, Nova Scotia with a maximum depth of 7 feet (3-foot average).
Source: Nova Scotia Environment and Climate Change — not the EPA Water Quality Portal, last sampled 1984-12-13. 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 Lewis 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 Lewis Lake
These are the measurements NSECC publishes for Lewis 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 6.6 ft. Phosphorus 4 µg/L. TSI 37.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 2m | 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. | 37 | Oligotrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Low nutrients, clear water. No reading is a swimming clearance.
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Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
2 m
Average depth
0.9 m
Surface area
21 ha
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Frequently asked questions about Lewis Lake
Where is Lewis Lake?
- Lewis Lake is a lake in Halifax, Nova Scotia. Its water-quality measurements are published by NSECC and shown on this page as reported.
What is the water quality of Lewis Lake?
- Lewis Lake in Halifax, Nova Scotia has water-quality measurements published by NSECC, shown here as reported. Water clarity: 2 m visibility. Phosphorus: 4 µg/L. Maximum depth: 6.6 ft. Surface area: 51.9 acres.
Is Lewis Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
How deep is Lewis Lake?
- Lewis Lake has a maximum depth of 6.6 feet and an average depth of 3 feet. The lake covers 51.9 acres.
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Where this data comes from
5 measurements from 4 monitoring stations, 1978–1984. Retrieved from Nova Scotia open data (not the EPA Water Quality Portal) on 2026-08-16.
Collected and reported by
- Nova Scotia Environment and Climate Change
Nova Scotia Environment and Climate Change2 samples · 1984 - Lands and Forests
Lands and Forests2 samples · 1978–1979 - DFO
DFO1 sample · 1978
Monitoring station identifiers (4)
92427412889
Canadian lakes are published with the measurements their provincial programme reports. See where the data comes from and data sources.