Where is Gibraltar Lake?

Gibraltar 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 Gibraltar Lake?

Gibraltar Lake has a maximum depth of 52.5 feet and an average depth of 12.5 feet. The lake covers 193.7 acres.

Gibraltar Lake

Halifax, Nova Scotia78 haView map Directions

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

Clarity

4.8 m

Clearer than most

Secchi · sampled 1999

Phosphorus

0.5 µg/L

Less phosphorus than most

Measured by NSECC

Chlorophyll-a

0.9 µg/L

Less algae than most

Measured by NSECC

Max depth

16 m

Bathymetric survey

Area

78 ha

Surface area

53 ft max depth
Limited data

See the measurements Directions Where to stay

Gibraltar Lake in Halifax, Nova Scotia has water-quality measurements published by NSECC, shown here as reported. Water clarity: 4.8 m visibility. Phosphorus: 0.5 µg/L. Chlorophyll-a (algae): 0.9 µg/L. Maximum depth: 52.5 ft. Surface area: 193.7 acres.

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Gibraltar Lake is a 194-acre lake in Halifax County, Nova Scotia with a maximum depth of 53 feet (13-foot average).

Source: Nova Scotia Environment and Climate Change — not the EPA Water Quality Portal, last sampled 1999-08-10. Methodology: how these readings are compared.

What Gibraltar Lake is good for

From access and monitoring records, not editorial picks.

Clear water15.6 ft of visibility
Deep water52.5 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 Gibraltar 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 Gibraltar Lake

These are the measurements NSECC publishes for Gibraltar 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 15.6 ft down. Phosphorus 0.5 µg/L. Chlorophyll-a 0.9 µg/L. TSI 20.

Water quality readings
Measure	Reading	Where it sits
Water clarity (Secchi depth)	4.75m	Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer.
Total phosphorus	0.5µg/L	Measured, not scored The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential.
Chlorophyll-a (algae)	0.9µg/L	Measured, 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.	20	Oligotrophic OligotrophicMesotrophicEutrophicHypereutrophic

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

Ask about Gibraltar Lake

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

Lake Details

Max depth

16 m

Average depth

3.8 m

Surface area

78 ha

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Fishing Gibraltar Lake

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

Nearby Lakes in Halifax

Church Lake3.3 m clear1.7 miView →Howe Lake1.7 miView →Paces Lake6.2 m clear3.9 miView →Lay Lake2 m clear4.7 miView →Long Bridge Lake4.8 m clear5.5 miView →Conrod Lake3 m clear—View →

Frequently asked questions about Gibraltar Lake

Where is Gibraltar Lake?: Gibraltar 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 Gibraltar Lake?: Gibraltar Lake in Halifax, Nova Scotia has water-quality measurements published by NSECC, shown here as reported. Water clarity: 4.8 m visibility. Phosphorus: 0.5 µg/L. Chlorophyll-a (algae): 0.9 µg/L. Maximum depth: 52.5 ft. Surface area: 193.7 acres.
Is Gibraltar Lake safe to swim in?: Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
How deep is Gibraltar Lake?: Gibraltar Lake has a maximum depth of 52.5 feet and an average depth of 12.5 feet. The lake covers 193.7 acres.