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LakeQuality

Gun Lake

Seton Lake, British ColumbiaView mapDirections

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

Clarity
17.8 m
Clearer than most
Secchi · sampled 2026
Phosphorus
3.4 µg/L
Less phosphorus than most
Measured by ENV
Chlorophyll-a
0.2 µg/L
Less algae than most
Measured by ENV
  • Limited data

Gun Lake in Seton Lake, British Columbia has water-quality measurements published by ENV, shown here as reported. Water clarity: 17.8 m visibility. Phosphorus: 3.4 µg/L. Chlorophyll-a (algae): 0.2 µg/L.

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Gun Lake is a lake in Seton Lake County, British Columbia.

Source: the British Columbia Ministry of Environment and Parks — not the EPA Water Quality Portal, last sampled 2026-08-24. Methodology: how these readings are compared.

What Gun Lake is good for

From access and monitoring records, not editorial picks.

  • Clear water58.4 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 Gun 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 Gun Lake

These are the measurements ENV publishes for Gun 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 58.4 ft down. Phosphorus 3.4 µg/L. Chlorophyll-a 0.2 µg/L. TSI 19.

Water quality readings
MeasureReadingWhere it sits
Water clarity (Secchi depth)17.8mMeasured, not scored

How deep a black-and-white disk stays visible from the surface. Higher is clearer.

Total phosphorus3.4µg/LMeasured, not scored

The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential.

Chlorophyll-a (algae)0.2µg/LMeasured, 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.19Oligotrophic
OligotrophicMesotrophicEutrophicHypereutrophic

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

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

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Fishing Gun Lake

Nearby Lakes in Seton Lake

Frequently asked questions about Gun Lake

Where is Gun Lake?

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

What is the water quality of Gun Lake?

Gun Lake in Seton Lake, British Columbia has water-quality measurements published by ENV, shown here as reported. Water clarity: 17.8 m visibility. Phosphorus: 3.4 µg/L. Chlorophyll-a (algae): 0.2 µg/L.

Measurements on this page ↑

Is Gun Lake safe to swim in?

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

Swimming on this page ↑

Oligotrophic Lakes in British Columbia

Where this data comes from

84 measurements from 1 monitoring station, 2024–2026. Retrieved from British Columbia EnMoDS (not the EPA Water Quality Portal) on 2026-09-06.

Collected and reported by

  • British Columbia Ministry of Environment and Parksenmods-bc84 samples · 2024–2026
Monitoring station identifiers (1)
  • E209398

Canadian lakes are published with the measurements their provincial programme reports. See where the data comes from and data sources.