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LakeQuality

Lac des Copains

Le Fjord-du-Saguenay, QuébecView mapDirections

zone de transition méso-eutrophe

This is MELCCFP's own trophic classification for 2020, not a LakeQuality grade. See every year

Clarity
2.3 m
Secchi · sampled 2020
Phosphorus
6.1 µg/L
Measured by MELCCFP
Chlorophyll-a
3.3 µg/L
Measured by MELCCFP

Lac des Copains in Le Fjord-du-Saguenay, Québec is classified zone de transition méso-eutrophe by Ministère de l’Environnement, de la Lutte contre les changements climatiques, de la Faune et des Parcs (Québec) for 2020. Water clarity: 2.3 m visibility. Phosphorus: 6.1 µg/L. Chlorophyll-a (algae): 3.3 µg/L.

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Lac des Copains is a lake in Le Fjord-du-Saguenay County, Québec.

Source: Québec RSVL (MELCCFP) — not the EPA Water Quality Portal, last sampled 2020-08-01. Grade methodology: LakeQuality methodology.

Swimming conditions

No reading

Not rated

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

Whether Lac des Copains is safe to swim in today is a call for le Ministère de l'Environnement, de la Lutte contre les changements climatiques, de la Faune et des Parcs and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.

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Water quality measurements for Lac des Copains

These are the measurements MELCCFP publishes for Lac des Copains, 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 7.4 ft. Phosphorus 6.1 µg/L. Chlorophyll-a 3.3 µg/L.

MetricValueEPA condition class
Water Clarity (Secchi Depth)2.25 mMeasured, not scored
Phosphorus6.1 µg/LMeasured, not scored
Chlorophyll-a (Algae)3.3 µg/LMeasured, not scored

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Frequently asked questions about Lac des Copains

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

Where is Lac des Copains?

Lac des Copains is a lake in Le Fjord-du-Saguenay, Québec. MELCCFP classifies it zone de transition méso-eutrophe for 2020. This is MELCCFP's own trophic classification for 2020, not a LakeQuality grade.

What is the water quality of Lac des Copains?

Lac des Copains in Le Fjord-du-Saguenay, Québec is classified zone de transition méso-eutrophe by Ministère de l’Environnement, de la Lutte contre les changements climatiques, de la Faune et des Parcs (Québec) for 2020. Water clarity: 2.3 m visibility. Phosphorus: 6.1 µg/L. Chlorophyll-a (algae): 3.3 µg/L.

Is Lac des Copains safe to swim in?

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

The authority’s own classification

Ministère de l’Environnement, de la Lutte contre les changements climatiques, de la Faune et des Parcs (Québec) publishes its own classification for Lac des Copains. It is shown here as theirs, in their words, and is not folded into the LakeQuality letter.

Most recent, 2020
zone de transition méso-eutrophe

This is MELCCFP's own trophic classification for 2020, not a LakeQuality grade.

A trophic class ranks how nutrient-rich a lake is, from oligotrophic at the low end to eutrophic at the high end. It describes nutrients and plant growth, not bacteria, and it is not a swimming clearance.

Earlier years (8 classified 2007–2020)
YearPublished class
2019zone de transition oligo-mésotrophe
2018zone de transition oligo-mésotrophe
2016zone de transition méso-eutrophe
2015zone de transition méso-eutrophe
2013zone de transition oligo-mésotrophe
2012zone de transition oligo-mésotrophe
2007zone de transition oligo-mésotrophe

Published by Ministère de l’Environnement, de la Lutte contre les changements climatiques, de la Faune et des Parcs (Québec). A classification is not a same-day swimming clearance. See data sources.

Where this data comes from

Measurements for Lac des Copains come from the Réseau de surveillance volontaire des lacs (RSVL), not the EPA Water Quality Portal. Per-sample source details are not recorded for this lake. MELCCFP RSVL (CC BY 4.0). See data sources.