Earltown Lake
Colchester, Nova Scotia13 haView mapDirections
NSECC publishes the water-quality measurements for Earltown Lake. Here is what has been measured.
- 10 ft max depth
- Limited data
Earltown Lake in Colchester, Nova Scotia has water-quality measurements published by NSECC, shown here as reported. Water clarity: 2 m visibility. Phosphorus: 4.5 µg/L. Maximum depth: 9.8 ft. Surface area: 33.1 acres.
Earltown Lake is a 33-acre lake in Colchester County, Nova Scotia with a maximum depth of 10 feet (4-foot average).
Source: Nova Scotia Environment and Climate Change — not the EPA Water Quality Portal, last sampled 1983-08-10. 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 Earltown 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 Earltown Lake
These are the measurements NSECC publishes for Earltown 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 4.5 µg/L. TSI 38.
| 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 | 4.5µg/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. | 38 | Oligotrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Low nutrients, clear water. No reading is a swimming clearance.
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Lake Details
Max depth
3 m
Average depth
1.2 m
Surface area
13 ha
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Frequently asked questions about Earltown Lake
Where is Earltown Lake?
- Earltown 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 Earltown Lake?
- Earltown Lake in Colchester, Nova Scotia has water-quality measurements published by NSECC, shown here as reported. Water clarity: 2 m visibility. Phosphorus: 4.5 µg/L. Maximum depth: 9.8 ft. Surface area: 33.1 acres.
Is Earltown Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
How deep is Earltown Lake?
- Earltown Lake has a maximum depth of 9.8 feet and an average depth of 3.9 feet. The lake covers 33.1 acres.
Explore Earltown Lake across LakeQuality
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Where this data comes from
4 measurements from 1 monitoring station, 1983. Retrieved from Nova Scotia open data (not the EPA Water Quality Portal) on 2026-08-16.
Collected and reported by
- Lands and Forests, NSDOE
Lands and Forests, NSDOE2 samples · 1983 - Lands and Forests
Lands and Forests1 sample · 1973
Monitoring station identifiers (1)
20
Canadian lakes are published with the measurements their provincial programme reports. See where the data comes from and data sources.