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LakeQuality

Matthew Lake

Lunenburg, Nova Scotia24 haView mapDirections

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

Clarity
1.6 m
Typical for Nova Scotia
Secchi · sampled 1983
Phosphorus
7 µg/L
Typical for Nova Scotia
Measured by NSECC
Max depth
7 m
Bathymetric survey
Area
24 ha
Surface area
  • 23 ft max depth
  • Limited data

Matthew Lake in Lunenburg, Nova Scotia has water-quality measurements published by NSECC, shown here as reported. Water clarity: 1.6 m visibility. Phosphorus: 7 µg/L. Maximum depth: 23 ft. Surface area: 58.3 acres.

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Matthew Lake is a 58-acre lake in Lunenburg County, Nova Scotia with a maximum depth of 23 feet (7-foot average).

Source: Nova Scotia Environment and Climate Change — not the EPA Water Quality Portal, last sampled 1983-08-03. 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 Matthew 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 Matthew Lake

These are the measurements NSECC publishes for Matthew 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 5.2 ft. Phosphorus 7 µg/L. TSI 43.

Water quality readings
MeasureReadingWhere it sits
Water clarity (Secchi depth)1.6mMeasured, 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.43Mesotrophic
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

7 m

Average depth

2.2 m

Surface area

24 ha

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Frequently asked questions about Matthew Lake

Where is Matthew Lake?

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

What is the water quality of Matthew Lake?

Matthew Lake in Lunenburg, Nova Scotia has water-quality measurements published by NSECC, shown here as reported. Water clarity: 1.6 m visibility. Phosphorus: 7 µg/L. Maximum depth: 23 ft. Surface area: 58.3 acres.

Measurements on this page ↑

Is Matthew 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 Matthew Lake?

Matthew Lake has a maximum depth of 23 feet and an average depth of 7.2 feet. The lake covers 58.3 acres.

Where this data comes from

2 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, NSDOELands and Forests, NSDOE1 sample · 1983
Monitoring station identifiers (1)
  • 965

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