Where is Rocky Brook Lake?

Rocky Brook 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 Rocky Brook Lake?

Rocky Brook Lake has a maximum depth of 39.4 feet and an average depth of 9 feet. The lake covers 159 acres.

Rocky Brook Lake

Halifax, Nova Scotia64 haView map Directions

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

Clarity

2.8 m

Typical for Nova Scotia

Secchi · sampled 2003

Phosphorus

8 µg/L

Typical for Nova Scotia

Measured by NSECC

Chlorophyll-a

1.5 µg/L

Typical for Nova Scotia

Measured by NSECC

Max depth

12 m

Bathymetric survey

Area

64 ha

Surface area

39 ft max depth
Limited data

See the measurements Directions Where to stay

Rocky Brook Lake in Halifax, Nova Scotia has water-quality measurements published by NSECC, shown here as reported. Water clarity: 2.8 m visibility. Phosphorus: 8 µg/L. Chlorophyll-a (algae): 1.5 µg/L. Maximum depth: 39.4 ft. Surface area: 159 acres.

Loading map…

Rocky Brook Lake is a 159-acre lake in Halifax County, Nova Scotia with a maximum depth of 39 feet (9-foot average).

Source: Nova Scotia Environment and Climate Change — not the EPA Water Quality Portal, last sampled 2003-08-07. Methodology: how these readings are compared.

What Rocky Brook Lake is good for

From access and monitoring records, not editorial picks.

Deep water39.4 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 Rocky Brook 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.

Get alerts for Rocky Brook Lake →

Water quality measurements for Rocky Brook Lake

These are the measurements NSECC publishes for Rocky Brook 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 9 ft. Phosphorus 8 µg/L. Chlorophyll-a 1.5 µg/L. TSI 38.

Water quality readings
Measure	Reading	Where it sits
Water clarity (Secchi depth)	2.75m	Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer.
Total phosphorus	8µg/L	Measured, not scored The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential.
Chlorophyll-a (algae)	1.5µg/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.	38	Oligotrophic OligotrophicMesotrophicEutrophicHypereutrophic

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

Ask about Rocky Brook Lake

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

Lake Details

Max depth

12 m

Average depth

2.7 m

Surface area

64 ha

Stays via Stay22

Stays near Rocky Brook Lake

Compare lakeside cabins, hotels, and vacation rentals near Rocky Brook Lake in Halifax, Nova Scotia — live availability and prices for your trip. Switch the map to Satellite to see the lake and how close each stay is to the water.

Top-rated places to stay near Rocky Brook Lake

Prices for Oct 23–25, 4 adults. Change dates on the map below.

Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.

Follow Rocky Brook Lake’s readings

Email me when new measurements post for this lake. Updates stay free.

Or email

Fishing Rocky Brook Lake

→ Rocky Brook Lake fishing regulations (limits, seasons, special rules)

Nearby Lakes in Halifax

Burke Lake10 m clear4.5 miView →Hartshorne Lake3.7 m clear5 miView →Alma Lake3 m clear5.2 miView →Moore Lake2.6 m clear5.4 miView →Ferry Lake3.6 m clear6.2 miView →Philip Lake5.5 m clear7.2 miView →

Frequently asked questions about Rocky Brook Lake

Where is Rocky Brook Lake?: Rocky Brook 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 Rocky Brook Lake?: Rocky Brook Lake in Halifax, Nova Scotia has water-quality measurements published by NSECC, shown here as reported. Water clarity: 2.8 m visibility. Phosphorus: 8 µg/L. Chlorophyll-a (algae): 1.5 µg/L. Maximum depth: 39.4 ft. Surface area: 159 acres.
Is Rocky Brook Lake safe to swim in?: Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
How deep is Rocky Brook Lake?: Rocky Brook Lake has a maximum depth of 39.4 feet and an average depth of 9 feet. The lake covers 159 acres.