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

Trout Lake

Duncan Lake, British ColumbiaView map Directions

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

Clarity

16.3 m

Clearer than most

Secchi · sampled 2017

Chlorophyll-a

0.6 µg/L

Less algae than most

Measured by ENV

Limited data

See the measurements Directions Where to stay

Trout Lake in Duncan Lake, British Columbia has water-quality measurements published by ENV, shown here as reported. Water clarity: 16.3 m visibility. Chlorophyll-a (algae): 0.6 µg/L.

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Trout Lake is a lake in Duncan Lake County, British Columbia.

Source: the British Columbia Ministry of Environment and Parks — not the EPA Water Quality Portal, last sampled 2017-09-20. Methodology: how these readings are compared.

What Trout Lake is good for

From access and monitoring records, not editorial picks.

Clear water53.3 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 Trout 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 Trout Lake

These are the measurements ENV publishes for Trout 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 53.3 ft down. Chlorophyll-a 0.6 µg/L. TSI 22.

Water quality readings
Measure	Reading	Where it sits
Water clarity (Secchi depth)	16.25m	Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer.
Total phosphorus		No reading The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential.
Chlorophyll-a (algae)	0.6µg/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.	22	Oligotrophic OligotrophicMesotrophicEutrophicHypereutrophic

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

Ask about Trout Lake

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

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Stays near Trout Lake

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Fishing Trout Lake

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

Nearby Lakes in Duncan Lake

Arrow Lake24.5 miView →Slocan Lake16.3 m clear42.2 miView →Kootenay Lake63.3 miView →Sugar Lake9.4 m clear50.1 miView →Arrow Lake—View →Mabel Lake12.8 m clear56.9 miView →

Frequently asked questions about Trout Lake

Where is Trout Lake?: Trout Lake is a lake in Duncan Lake, British Columbia. Its water-quality measurements are published by ENV and shown on this page as reported.
What is the water quality of Trout Lake?: Trout Lake in Duncan Lake, British Columbia has water-quality measurements published by ENV, shown here as reported. Water clarity: 16.3 m visibility. Chlorophyll-a (algae): 0.6 µg/L.
Is Trout Lake safe to swim in?: Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.