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

How deep is Rocky Lake?

Rocky Lake has a maximum depth of 26.2 feet and an average depth of 11.2 feet. The lake covers 250.3 acres.

Rocky Lake

Lunenburg, Nova Scotia101 haView map Directions

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

Clarity

5.1 m

Clearer than most

Secchi · sampled 1985

Phosphorus

3 µg/L

Typical for Nova Scotia

Measured by NSECC

Max depth

8 m

Bathymetric survey

Area

101 ha

Surface area

26 ft max depth
Limited data

See the measurements Directions Where to stay

Rocky Lake in Lunenburg, Nova Scotia has water-quality measurements published by NSECC, shown here as reported. Water clarity: 5.1 m visibility. Phosphorus: 3 µg/L. Maximum depth: 26.2 ft. Surface area: 250.3 acres.

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Rocky Lake is a 250-acre lake in Lunenburg County, Nova Scotia with a maximum depth of 26 feet (11-foot average).

Source: Nova Scotia Environment and Climate Change — not the EPA Water Quality Portal, last sampled 1985-06-27. Methodology: how these readings are compared.

What Rocky Lake is good for

From access and monitoring records, not editorial picks.

Clear water16.6 ft of visibility

Swimming conditions

No reading

Limited data

Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.

Whether Rocky 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 Rocky Lake

These are the measurements NSECC publishes for Rocky 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 16.6 ft down. Phosphorus 3 µg/L. TSI 28.

Water quality readings
Measure	Reading	Where it sits
Water clarity (Secchi depth)	5.07m	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.	28	Oligotrophic OligotrophicMesotrophicEutrophicHypereutrophic

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

Ask about Rocky Lake

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

Lake Details

Max depth

8 m

Average depth

3.4 m

Surface area

101 ha

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Stays near Rocky Lake

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Fishing Rocky Lake

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

Nearby Lakes in Lunenburg

Naas Lake2.6 m clear1.8 miView →Clearland Lake4 m clear1.8 miView →Covey Lake1.8 m clear3.3 miView →Blysteiner Lake2.6 m clear3.6 miView →Spectacle Lake3.3 m clear5.5 miView →Randall Lake4.8 m clear4.4 miView →

Frequently asked questions about Rocky Lake

Where is Rocky Lake?: Rocky Lake is a lake in Lunenburg, Nova Scotia. Its water-quality measurements are published by NSECC and shown on this page as reported.
What is the water quality of Rocky Lake?: Rocky Lake in Lunenburg, Nova Scotia has water-quality measurements published by NSECC, shown here as reported. Water clarity: 5.1 m visibility. Phosphorus: 3 µg/L. Maximum depth: 26.2 ft. Surface area: 250.3 acres.
Is Rocky Lake safe to swim in?: Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
How deep is Rocky Lake?: Rocky Lake has a maximum depth of 26.2 feet and an average depth of 11.2 feet. The lake covers 250.3 acres.