Ainslie Lake
Inverness, Nova Scotia5,736 haView mapDirections
NSECC publishes the water-quality measurements for Ainslie Lake. Here is what has been measured.
- 59 ft max depth
- Limited data
Ainslie Lake in Inverness, Nova Scotia has water-quality measurements published by NSECC, shown here as reported. Water clarity: 3.3 m visibility. Phosphorus: 4 µg/L. Chlorophyll-a (algae): 3.8 µg/L. Maximum depth: 59.1 ft. Surface area: 14173.4 acres.
Ainslie Lake is a 14,173-acre lake in Inverness County, Nova Scotia with a maximum depth of 59 feet (19-foot average).
Source: Nova Scotia Environment and Climate Change — not the EPA Water Quality Portal, last sampled 2013-09-18. Methodology: how these readings are compared.
What Ainslie Lake is good for
From access and monitoring records, not editorial picks.
- Clear water10.7 ft of visibility
- Deep water59.1 ft surveyed max depth
- Big water14,173 acres
Swimming conditions
No readingLimited data
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Ainslie 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 Ainslie Lake
These are the measurements NSECC publishes for Ainslie 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 10.7 ft. Phosphorus 4 µg/L. Chlorophyll-a 3.8 µg/L. TSI 37.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 3.25m | 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) | 3.8µg/L | Measured, not scored 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.
Ask about Ainslie Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
18 m
Average depth
5.7 m
Surface area
5,736 ha
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Frequently asked questions about Ainslie Lake
Where is Ainslie Lake?
- Ainslie Lake is a lake in Inverness, Nova Scotia. Its water-quality measurements are published by NSECC and shown on this page as reported.
What is the water quality of Ainslie Lake?
- Ainslie Lake in Inverness, Nova Scotia has water-quality measurements published by NSECC, shown here as reported. Water clarity: 3.3 m visibility. Phosphorus: 4 µg/L. Chlorophyll-a (algae): 3.8 µg/L. Maximum depth: 59.1 ft. Surface area: 14173.4 acres.
Is Ainslie Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
How deep is Ainslie Lake?
- Ainslie Lake has a maximum depth of 59.1 feet and an average depth of 18.7 feet. The lake covers 14173.4 acres.
Explore Ainslie Lake across LakeQuality
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Where this data comes from
4 measurements from 1 monitoring station, 1978–2013. Retrieved from Nova Scotia open data (not the EPA Water Quality Portal) on 2026-08-16.
Collected and reported by
- NS Department of Fisheries & Aquaculture
NS Department of Fisheries & Aquaculture1 sample · 2013 - NSDAF
NSDAF1 sample · 2001 - NS Dept. of Fisheries
NS Dept. of Fisheries1 sample · 1989 - Lands and Forests
Lands and Forests1 sample · 1978 - Nova Scotia Environment and Climate Change
Nova Scotia Environment and Climate Change1 sample · —
Monitoring station identifiers (1)
73
Canadian lakes are published with the measurements their provincial programme reports. See where the data comes from and data sources.