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LakeQuality

Lac Vert

Le Fjord-du-Saguenay, QuébecView mapDirections

classe eutrophe

This is MELCCFP's own trophic classification for 2025, not a LakeQuality grade. See every year

Clarity
0.6 m
Secchi · sampled 2025
Phosphorus
39.6 µg/L
Measured by MELCCFP
Chlorophyll-a
11 µg/L
Measured by MELCCFP

Lac Vert in Le Fjord-du-Saguenay, Québec is classified classe eutrophe by Ministère de l’Environnement, de la Lutte contre les changements climatiques, de la Faune et des Parcs (Québec) for 2025. Water clarity: 0.6 m visibility. Phosphorus: 39.6 µg/L. Chlorophyll-a (algae): 11 µg/L.

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

Source: Québec RSVL (MELCCFP) — not the EPA Water Quality Portal, last sampled 2025-08-01. 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 Vert 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 Vert

These are the measurements MELCCFP publishes for Lac Vert, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.

Very murky, less than 2 ft of visibility. Phosphorus 39.6 µg/L. Chlorophyll-a 11 µg/L.

MetricValueEPA condition class
Water Clarity (Secchi Depth)0.6 mMeasured, not scored
Phosphorus39.6 µg/LMeasured, not scored
Chlorophyll-a (Algae)11 µg/LMeasured, not scored

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Frequently asked questions about Lac Vert

Ask about Lac Vert

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

Where is Lac Vert?

Lac Vert is a lake in Le Fjord-du-Saguenay, Québec. MELCCFP classifies it classe eutrophe for 2025. This is MELCCFP's own trophic classification for 2025, not a LakeQuality grade.

What is the water quality of Lac Vert?

Lac Vert in Le Fjord-du-Saguenay, Québec is classified classe eutrophe by Ministère de l’Environnement, de la Lutte contre les changements climatiques, de la Faune et des Parcs (Québec) for 2025. Water clarity: 0.6 m visibility. Phosphorus: 39.6 µg/L. Chlorophyll-a (algae): 11 µg/L.

Is Lac Vert 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 Vert. It is shown here as theirs, in their words, and is not folded into the LakeQuality letter.

Most recent, 2025
classe eutrophe

This is MELCCFP's own trophic classification for 2025, 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 (9 classified 2016–2025)
YearPublished class
2024classe eutrophe
2023classe eutrophe
2022classe hyper-eutrophe
2020classe hyper-eutrophe
2019classe hyper-eutrophe
2018classe hyper-eutrophe
2017classe eutrophe
2016classe eutrophe

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 Vert 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.