Folly Lake
Colchester, Nova Scotia79 haView mapDirections
NSECC publishes the water-quality measurements for Folly Lake. Here is what has been measured.
- 110 ft max depth
- Limited data
Folly Lake in Colchester, Nova Scotia has water-quality measurements published by NSECC, shown here as reported. Water clarity: 8 m visibility. Chlorophyll-a (algae): 1.4 µg/L. Maximum depth: 109.9 ft. Surface area: 195 acres.
Folly Lake is a 195-acre lake in Colchester County, Nova Scotia with a maximum depth of 110 feet.
Source: Nova Scotia Environment and Climate Change — not the EPA Water Quality Portal, last sampled 2018-09-10. Methodology: how these readings are compared.
What Folly Lake is good for
From access and monitoring records, not editorial picks.
- Clear water26.2 ft of visibility
- Deep water109.9 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 Folly 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 Folly Lake
These are the measurements NSECC publishes for Folly Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
Crystal clear, you can see 26.2 ft down. Chlorophyll-a 1.4 µg/L. TSI 32.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 8m | 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) | 1.4µg/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. | 32 | Oligotrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Low nutrients, clear water. No reading is a swimming clearance.
Ask about Folly Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
33.5 m
Surface area
79 ha
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Frequently asked questions about Folly Lake
Where is Folly Lake?
- Folly Lake is a lake in Colchester, Nova Scotia. Its water-quality measurements are published by NSECC and shown on this page as reported.
What is the water quality of Folly Lake?
- Folly Lake in Colchester, Nova Scotia has water-quality measurements published by NSECC, shown here as reported. Water clarity: 8 m visibility. Chlorophyll-a (algae): 1.4 µg/L. Maximum depth: 109.9 ft. Surface area: 195 acres.
Is Folly Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
How deep is Folly Lake?
- Folly Lake has a maximum depth of 109.9 feet. The lake covers 195 acres.
Explore Folly Lake across LakeQuality
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Where this data comes from
2 measurements from 1 monitoring station, 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 & Aquaculture1 sample · 2018 - NS Dept. of Fisheries
NS Dept. of Fisheries1 sample · 1990 - Lands and Forests
Lands and Forests1 sample · 1973
Monitoring station identifiers (1)
10
Canadian lakes are published with the measurements their provincial programme reports. See where the data comes from and data sources.