Stillwater Lake
Halifax, Nova Scotia51 haView mapDirections
NSECC publishes the water-quality measurements for Stillwater Lake. Here is what has been measured.
- 56 ft max depth
- Limited data
Stillwater Lake in Halifax, Nova Scotia has water-quality measurements published by NSECC, shown here as reported. Water clarity: 3.7 m visibility. Maximum depth: 55.8 ft. Surface area: 125 acres.
Stillwater Lake is a 125-acre lake in Halifax County, Nova Scotia with a maximum depth of 56 feet (15-foot average).
Source: Nova Scotia Environment and Climate Change — not the EPA Water Quality Portal, last sampled 1979-08-27. Methodology: how these readings are compared.
What Stillwater Lake is good for
From access and monitoring records, not editorial picks.
- Clear water12 ft of visibility
- Deep water55.8 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 Stillwater 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 Stillwater Lake
These are the measurements NSECC publishes for Stillwater 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 12 ft. TSI 41.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 3.67m | 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. | 41 | Mesotrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Moderate nutrients, good water quality
Ask about Stillwater Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
17 m
Average depth
4.5 m
Surface area
51 ha
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Frequently asked questions about Stillwater Lake
Where is Stillwater Lake?
- Stillwater 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 Stillwater Lake?
- Stillwater Lake in Halifax, Nova Scotia has water-quality measurements published by NSECC, shown here as reported. Water clarity: 3.7 m visibility. Maximum depth: 55.8 ft. Surface area: 125 acres.
Is Stillwater Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
How deep is Stillwater Lake?
- Stillwater Lake has a maximum depth of 55.8 feet and an average depth of 14.8 feet. The lake covers 125 acres.
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Where this data comes from
1 measurement from 1 monitoring station, 1979. Retrieved from Nova Scotia open data (not the EPA Water Quality Portal) on 2026-08-16.
Collected and reported by
- Lands and Forests
Lands and Forests1 sample · 1979
Monitoring station identifiers (1)
81
Canadian lakes are published with the measurements their provincial programme reports. See where the data comes from and data sources.