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

How deep is Mill Lake?

Mill Lake has a maximum depth of 49.2 feet and an average depth of 11.2 feet. The lake covers 268.1 acres.

Mill Lake

Halifax, Nova Scotia108 haView map Directions

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

Clarity

2.6 m

Typical for Nova Scotia

Secchi · sampled 1985

Phosphorus

3 µg/L

Typical for Nova Scotia

Measured by NSECC

Max depth

15 m

Bathymetric survey

Area

108 ha

Surface area

49 ft max depth
Limited data

See the measurements Directions Where to stay

Mill Lake in Halifax, Nova Scotia has water-quality measurements published by NSECC, shown here as reported. Water clarity: 2.6 m visibility. Phosphorus: 3 µg/L. Maximum depth: 49.2 ft. Surface area: 268.1 acres.

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Mill Lake is a 268-acre lake in Halifax County, Nova Scotia with a maximum depth of 49 feet (11-foot average).

Source: Nova Scotia Environment and Climate Change — not the EPA Water Quality Portal, last sampled 1985-07-22. Methodology: how these readings are compared.

What Mill Lake is good for

From access and monitoring records, not editorial picks.

Deep water49.2 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 Mill 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 Mill Lake

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

Moderate clarity, visible to about 8.5 ft. Phosphorus 3 µg/L. TSI 33.

Water quality readings
Measure	Reading	Where it sits
Water clarity (Secchi depth)	2.6m	Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer.
Total phosphorus	3µg/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.	33	Oligotrophic OligotrophicMesotrophicEutrophicHypereutrophic

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

Ask about Mill Lake

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

Lake Details

Max depth

15 m

Average depth

3.4 m

Surface area

108 ha

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Fishing Mill Lake

→ Mill Lake fishing regulations (limits, seasons, special rules)

Nearby Lakes in Halifax

Tangier Grand Lake4.1 m clear0.5 miView →Elbow Lake2 m clear2.3 miView →Hatchet Lake5.9 m clear3.1 miView →Philip Lake5.5 m clear3.4 miView →O'Brien Lake2.8 miView →Blue Woods Lake2.8 miView →

Frequently asked questions about Mill Lake

Where is Mill Lake?: Mill 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 Mill Lake?: Mill Lake in Halifax, Nova Scotia has water-quality measurements published by NSECC, shown here as reported. Water clarity: 2.6 m visibility. Phosphorus: 3 µg/L. Maximum depth: 49.2 ft. Surface area: 268.1 acres.
Is Mill Lake safe to swim in?: Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
How deep is Mill Lake?: Mill Lake has a maximum depth of 49.2 feet and an average depth of 11.2 feet. The lake covers 268.1 acres.