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LakeQuality

Parr Lake

Yarmouth, Nova Scotia322 haView mapDirections

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

Clarity
1.5 m
Murkier than most
Secchi · sampled 2008
Phosphorus
16.5 µg/L
More phosphorus than most
Measured by NSECC
Chlorophyll-a
10.1 µg/L
More algae than most
Measured by NSECC
Max depth
9 m
Bathymetric survey
Area
322 ha
Surface area
  • 30 ft max depth
  • Limited data

Parr Lake in Yarmouth, Nova Scotia has water-quality measurements published by NSECC, shown here as reported. Water clarity: 1.5 m visibility. Phosphorus: 16.5 µg/L. Chlorophyll-a (algae): 10.1 µg/L. Maximum depth: 29.5 ft. Surface area: 795.7 acres.

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Parr Lake is a 796-acre lake in Yarmouth County, Nova Scotia with a maximum depth of 30 feet (11-foot average).

Source: Nova Scotia Environment and Climate Change — not the EPA Water Quality Portal, last sampled 2008-09-04. 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 Parr 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 Parr Lake

These are the measurements NSECC publishes for Parr 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 4.9 ft. Phosphorus 16.5 µg/L. Chlorophyll-a 10.1 µg/L. TSI 51.

Water quality readings
MeasureReadingWhere it sits
Water clarity (Secchi depth)1.5mMeasured, not scored

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

Total phosphorus16.5µg/LMeasured, not scored

The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential.

Chlorophyll-a (algae)10.1µg/LMeasured, 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.51Eutrophic
OligotrophicMesotrophicEutrophicHypereutrophic

High nutrients, frequent algae, reduced clarity

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

Lake Details

Max depth

9 m

Average depth

3.3 m

Surface area

322 ha

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Frequently asked questions about Parr Lake

Where is Parr Lake?

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

What is the water quality of Parr Lake?

Parr Lake in Yarmouth, Nova Scotia has water-quality measurements published by NSECC, shown here as reported. Water clarity: 1.5 m visibility. Phosphorus: 16.5 µg/L. Chlorophyll-a (algae): 10.1 µg/L. Maximum depth: 29.5 ft. Surface area: 795.7 acres.

Measurements on this page ↑

Is Parr 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 Parr Lake?

Parr Lake has a maximum depth of 29.5 feet and an average depth of 10.8 feet. The lake covers 795.7 acres.

Where this data comes from

7 measurements from 1 monitoring station, 1986–2008. Retrieved from Nova Scotia open data (not the EPA Water Quality Portal) on 2026-08-16.

Collected and reported by

  • NSDFANSDFA2 samples · 2008
  • NSDAFNSDAF1 sample · 2002
  • Lands and Forests, NSDOELands and Forests, NSDOE1 sample · 1986
Monitoring station identifiers (1)
  • 41

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