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Quoddy Lake

Halifax, Nova Scotia16 haView mapDirections

NSECC publishes the water-quality measurements for Quoddy Lake. Here is what has been measured.

Clarity
0.9 m
Murkier than most
Secchi · sampled 1981
Phosphorus
7 µg/L
Typical for Nova Scotia
Measured by NSECC
Max depth
5 m
Bathymetric survey
Area
16 ha
Surface area
  • 16 ft max depth
  • Limited data

Quoddy Lake in Halifax, Nova Scotia has water-quality measurements published by NSECC, shown here as reported. Water clarity: 0.9 m visibility. Phosphorus: 7 µg/L. Maximum depth: 16.4 ft. Surface area: 38.5 acres.

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Quoddy Lake is a 39-acre lake in Halifax County, Nova Scotia with a maximum depth of 16 feet (5-foot average).

Source: Nova Scotia Environment and Climate Change — not the EPA Water Quality Portal, last sampled 1981-08-20. Methodology: how these readings are compared.

Swimming conditions

No reading

Limited data

Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.

Whether Quoddy 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.

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Water quality measurements for Quoddy Lake

These are the measurements NSECC publishes for Quoddy Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.

Very murky, less than 2.8 ft of visibility. Phosphorus 7 µg/L. TSI 47.

Water quality readings
MeasureReadingWhere it sits
Water clarity (Secchi depth)0.85mMeasured, not scored

How deep a black-and-white disk stays visible from the surface. Higher is clearer.

Total phosphorus7µg/LMeasured, 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.47Mesotrophic
OligotrophicMesotrophicEutrophicHypereutrophic

Moderate nutrients, good water quality

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Answers come straight from the public measurements and survey records on this page.

Lake Details

Max depth

5 m

Average depth

1.5 m

Surface area

16 ha

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Frequently asked questions about Quoddy Lake

Where is Quoddy Lake?

Quoddy 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 Quoddy Lake?

Quoddy Lake in Halifax, Nova Scotia has water-quality measurements published by NSECC, shown here as reported. Water clarity: 0.9 m visibility. Phosphorus: 7 µg/L. Maximum depth: 16.4 ft. Surface area: 38.5 acres.

Measurements on this page ↑

Is Quoddy Lake safe to swim in?

Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.

Swimming on this page ↑

How deep is Quoddy Lake?

Quoddy Lake has a maximum depth of 16.4 feet and an average depth of 4.9 feet. The lake covers 38.5 acres.

Where this data comes from

2 measurements from 1 monitoring station, 1981. Retrieved from Nova Scotia open data (not the EPA Water Quality Portal) on 2026-08-16.

Collected and reported by

  • Lands and Forests, NSDOELands and Forests, NSDOE1 sample · 1981
Monitoring station identifiers (1)
  • 886

Canadian lakes are published with the measurements their provincial programme reports. See where the data comes from and data sources.