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LakeQuality

Lac Saint-Amour

Les Pays-d'en-Haut, QuébecView mapDirections

zone de transition oligo-mésotrophe

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

Clarity
5 m
Clearer than most
Secchi · sampled 2025
Phosphorus
6.2 µg/L
Typical for Québec
Measured by MELCCFP
Chlorophyll-a
2.2 µg/L
Typical for Québec
Measured by MELCCFP

Lac Saint-Amour in Les Pays-d'en-Haut, Québec is classified zone de transition oligo-mésotrophe by Ministère de l’Environnement, de la Lutte contre les changements climatiques, de la Faune et des Parcs (Québec) for 2025. Water clarity: 5 m visibility. Phosphorus: 6.2 µg/L. Chlorophyll-a (algae): 2.2 µg/L.

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Lac Saint-Amour is a lake in Les Pays-d'en-Haut County, Québec.

Source: Québec RSVL (MELCCFP) — not the EPA Water Quality Portal, last sampled 2025-08-01. Methodology: how these readings are compared.

What Lac Saint-Amour is good for

From access and monitoring records, not editorial picks.

  • Clear water16.4 ft of visibility

Swimming conditions

No reading

Not rated

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

Whether Lac Saint-Amour 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 Saint-Amour

These are the measurements MELCCFP publishes for Lac Saint-Amour, 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 16.4 ft down. Phosphorus 6.2 µg/L. Chlorophyll-a 2.2 µg/L.

Water quality readings
MeasureReadingWhere it sits
Water clarity (Secchi depth)5mMeasured, not scored

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

Total phosphorus6.2µg/LMeasured, not scored

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

Chlorophyll-a (algae)2.2µg/LMeasured, not scored

The green pigment in algae — a direct measure of how much algae is in the water.

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

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Stays near Lac Saint-Amour

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Fishing Lac Saint-Amour

Nearby Lakes in Les Pays-d'en-Haut

Frequently asked questions about Lac Saint-Amour

Where is Lac Saint-Amour?

Lac Saint-Amour is a lake in Les Pays-d'en-Haut, Québec. MELCCFP classifies it zone de transition oligo-mésotrophe for 2025. This is MELCCFP's own trophic classification for 2025, not a LakeQuality grade.

What is the water quality of Lac Saint-Amour?

Lac Saint-Amour in Les Pays-d'en-Haut, Québec is classified zone de transition oligo-mésotrophe by Ministère de l’Environnement, de la Lutte contre les changements climatiques, de la Faune et des Parcs (Québec) for 2025. Water clarity: 5 m visibility. Phosphorus: 6.2 µg/L. Chlorophyll-a (algae): 2.2 µg/L.

Measurements on this page ↑

Is Lac Saint-Amour safe to swim in?

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

Swimming on this page ↑

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 Saint-Amour. It is shown here as theirs, in their words, and is not folded into the LakeQuality letter.

Most recent, 2025
zone de transition oligo-mésotrophe

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 (16 classified 2012–2025)
YearPublished class
2024zone de transition oligo-mésotrophe
2023classe oligotrophe
2022zone de transition oligo-mésotrophe
2021classe oligotrophe
2019zone de transition oligo-mésotrophe
2018zone de transition oligo-mésotrophe
2017classe oligotrophe
2016classe oligotrophe
2015zone de transition oligo-mésotrophe
2013classe oligotrophe
2012classe oligotrophe

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 Saint-Amour 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.