Sugar Lake is a lake in Upper Shuswap, British Columbia. Its water-quality measurements are published by ENV and shown on this page as reported.

Sugar Lake

Upper Shuswap, British ColumbiaView map Directions

ENV publishes the water-quality measurements for Sugar Lake. Here is what has been measured.

Clarity

9.4 m

Clearer than most

Secchi · sampled 2025

Phosphorus

3.6 µg/L

Less phosphorus than most

Measured by ENV

Chlorophyll-a

0.7 µg/L

Less algae than most

Measured by ENV

Limited data

See the measurements Directions Where to stay

Sugar Lake in Upper Shuswap, British Columbia has water-quality measurements published by ENV, shown here as reported. Water clarity: 9.4 m visibility. Phosphorus: 3.6 µg/L. Chlorophyll-a (algae): 0.7 µg/L.

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Sugar Lake is a lake in Upper Shuswap County, British Columbia.

Source: the British Columbia Ministry of Environment and Parks — not the EPA Water Quality Portal, last sampled 2025-09-02. Methodology: how these readings are compared.

What Sugar Lake is good for

From access and monitoring records, not editorial picks.

Clear water30.8 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 Sugar Lake is safe to swim in today is a call for the British Columbia Ministry of Environment and Parks and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.

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Water quality measurements for Sugar Lake

These are the measurements ENV publishes for Sugar 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 30.8 ft down. Phosphorus 3.6 µg/L. Chlorophyll-a 0.7 µg/L. TSI 26.

Water quality readings
Measure	Reading	Where it sits
Water clarity (Secchi depth)	9.4m	Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer.
Total phosphorus	3.6µg/L	Measured, not scored The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential.
Chlorophyll-a (algae)	0.7µg/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.	26	Oligotrophic OligotrophicMesotrophicEutrophicHypereutrophic

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

Ask about Sugar Lake

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

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Stays near Sugar Lake

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Fishing Sugar Lake

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

Nearby Lakes in Upper Shuswap

Mabel Lake12.8 m clear15.1 miView →Gardom Lake5.7 m clear33.3 miView →Arrow Lake27.1 miView →Mara Lake7.5 m clear34.8 miView →Beaver Lake39 miView →Shuswap Lake6.3 m clear42.5 miView →

Frequently asked questions about Sugar Lake

Where is Sugar Lake?: Sugar Lake is a lake in Upper Shuswap, British Columbia. Its water-quality measurements are published by ENV and shown on this page as reported.
What is the water quality of Sugar Lake?: Sugar Lake in Upper Shuswap, British Columbia has water-quality measurements published by ENV, shown here as reported. Water clarity: 9.4 m visibility. Phosphorus: 3.6 µg/L. Chlorophyll-a (algae): 0.7 µg/L.
Is Sugar Lake safe to swim in?: Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.