Provost Lake
Digby, Nova Scotia34 haView mapDirections
NSECC publishes the water-quality measurements for Provost Lake. Here is what has been measured.
- 30 ft max depth
- Limited data
Provost Lake in Digby, Nova Scotia has water-quality measurements published by NSECC, shown here as reported. Water clarity: 2.5 m visibility. Phosphorus: 11.5 µg/L. Chlorophyll-a (algae): 7.5 µg/L. Maximum depth: 29.5 ft. Surface area: 83.5 acres.
Provost Lake is a 84-acre lake in Digby County, Nova Scotia with a maximum depth of 30 feet (10-foot average).
Source: Nova Scotia Environment and Climate Change — not the EPA Water Quality Portal, last sampled 2018-08-30. 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 Provost 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 Provost Lake
These are the measurements NSECC publishes for Provost Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
Moderate clarity, visible to about 8.3 ft. Phosphorus 11.5 µg/L. Chlorophyll-a 7.5 µg/L. TSI 45.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 2.53m | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | 11.5µg/L | Measured, not scored The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential. |
| Chlorophyll-a (algae) | 7.5µg/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. | 45 | Mesotrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Moderate nutrients, good water quality
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Lake Details
Max depth
9 m
Average depth
3.1 m
Surface area
34 ha
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Frequently asked questions about Provost Lake
Where is Provost Lake?
- Provost Lake is a lake in Digby, Nova Scotia. Its water-quality measurements are published by NSECC and shown on this page as reported.
What is the water quality of Provost Lake?
- Provost Lake in Digby, Nova Scotia has water-quality measurements published by NSECC, shown here as reported. Water clarity: 2.5 m visibility. Phosphorus: 11.5 µg/L. Chlorophyll-a (algae): 7.5 µg/L. Maximum depth: 29.5 ft. Surface area: 83.5 acres.
Is Provost Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
How deep is Provost Lake?
- Provost Lake has a maximum depth of 29.5 feet and an average depth of 10.2 feet. The lake covers 83.5 acres.
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Where this data comes from
21 measurements from 1 monitoring station, 1983–2018. 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 & Aquaculture5 samples · 2014–2018 - NSDFA
NSDFA2 samples · 2008 - Lands and Forests, NSDOE
Lands and Forests, NSDOE1 sample · 1983
Monitoring station identifiers (1)
966
Canadian lakes are published with the measurements their provincial programme reports. See where the data comes from and data sources.