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LakeQuality

Irving Lake

Guysborough, Nova Scotia4 haView mapDirections

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

Clarity
7.4 m
Clearer than most
Secchi · sampled 1974
Max depth
11 m
Bathymetric survey
Area
4 ha
Surface area
  • 36 ft max depth
  • Limited data

Irving Lake in Guysborough, Nova Scotia has water-quality measurements published by NSECC, shown here as reported. Water clarity: 7.4 m visibility. Maximum depth: 36.1 ft. Surface area: 10.9 acres.

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Irving Lake is a 11-acre lake in Guysborough County, Nova Scotia with a maximum depth of 36 feet (9-foot average).

Source: Nova Scotia Environment and Climate Change — not the EPA Water Quality Portal, last sampled 1974-07-16. Methodology: how these readings are compared.

What Irving Lake is good for

From access and monitoring records, not editorial picks.

  • Clear water24.3 ft of visibility
  • Deep water36.1 ft surveyed max depth

Swimming conditions

No reading

Limited data

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

Whether Irving 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 Irving Lake

These are the measurements NSECC publishes for Irving 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 24.3 ft down. TSI 31.

Water quality readings
MeasureReadingWhere it sits
Water clarity (Secchi depth)7.4mMeasured, not scored

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

Total phosphorusNo reading

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.31Oligotrophic
OligotrophicMesotrophicEutrophicHypereutrophic

Low nutrients, clear water. No reading is a swimming clearance.

Ask about Irving Lake

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

Lake Details

Max depth

11 m

Average depth

2.6 m

Surface area

4 ha

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Frequently asked questions about Irving Lake

Where is Irving Lake?

Irving Lake is a lake in Guysborough, Nova Scotia. Its water-quality measurements are published by NSECC and shown on this page as reported.

What is the water quality of Irving Lake?

Irving Lake in Guysborough, Nova Scotia has water-quality measurements published by NSECC, shown here as reported. Water clarity: 7.4 m visibility. Maximum depth: 36.1 ft. Surface area: 10.9 acres.

Measurements on this page ↑

Is Irving 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 Irving Lake?

Irving Lake has a maximum depth of 36.1 feet and an average depth of 8.5 feet. The lake covers 10.9 acres.

Where this data comes from

1 measurement from 1 monitoring station, 1974. Retrieved from Nova Scotia open data (not the EPA Water Quality Portal) on 2026-08-16.

Collected and reported by

  • Lands and ForestsLands and Forests1 sample · 1974
Monitoring station identifiers (1)
  • 971

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