Where is Pretty Mary Lake?

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

How deep is Pretty Mary Lake?

Pretty Mary Lake has a maximum depth of 23 feet and an average depth of 7.5 feet. The lake covers 169 acres.

Pretty Mary Lake

Annapolis, Nova Scotia68 haView map Directions

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

Clarity

1.6 m

Murkier than most

Secchi · sampled 1982

Phosphorus

4 µg/L

Typical for Nova Scotia

Measured by NSECC

Max depth

7 m

Bathymetric survey

Area

68 ha

Surface area

23 ft max depth
Limited data

See the measurements Directions Where to stay

Pretty Mary Lake in Annapolis, Nova Scotia has water-quality measurements published by NSECC, shown here as reported. Water clarity: 1.6 m visibility. Phosphorus: 4 µg/L. Maximum depth: 23 ft. Surface area: 169 acres.

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Pretty Mary Lake is a 169-acre lake in Annapolis County, Nova Scotia with a maximum depth of 23 feet (8-foot average).

Source: Nova Scotia Environment and Climate Change — not the EPA Water Quality Portal, last sampled 1982-08-01. 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 Pretty Mary 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 Pretty Mary Lake

These are the measurements NSECC publishes for Pretty Mary 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 5.1 ft. Phosphorus 4 µg/L. TSI 39.

Water quality readings
Measure	Reading	Where it sits
Water clarity (Secchi depth)	1.55m	Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer.
Total phosphorus	4µg/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.	39	Oligotrophic OligotrophicMesotrophicEutrophicHypereutrophic

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

Ask about Pretty Mary Lake

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

Lake Details

Max depth

7 m

Average depth

2.3 m

Surface area

68 ha

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Fishing Pretty Mary Lake

→ Pretty Mary Lake fishing regulations (limits, seasons, special rules)

Nearby Lakes in Annapolis

Mudflat Lake1.9 m clear0.5 miView →Mill Lake0.9 m clear1.6 miView →Pat Kempton Lake0.9 m clear2.8 miView →Perch Lake1.3 m clear3.4 miView →Twin Lake1.5 m clear4.2 miView →Eleven Mile Lake2.1 m clear—View →

Frequently asked questions about Pretty Mary Lake

Where is Pretty Mary Lake?: Pretty Mary Lake is a lake in Annapolis, Nova Scotia. Its water-quality measurements are published by NSECC and shown on this page as reported.
What is the water quality of Pretty Mary Lake?: Pretty Mary Lake in Annapolis, Nova Scotia has water-quality measurements published by NSECC, shown here as reported. Water clarity: 1.6 m visibility. Phosphorus: 4 µg/L. Maximum depth: 23 ft. Surface area: 169 acres.
Is Pretty Mary Lake safe to swim in?: Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
How deep is Pretty Mary Lake?: Pretty Mary Lake has a maximum depth of 23 feet and an average depth of 7.5 feet. The lake covers 169 acres.