Lac Beau Bassin
Matawinie, QuébecView mapDirections
This is MELCCFP's own trophic classification for 2025, not a LakeQuality grade. See every year
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Answers come straight from the public measurements and survey records on this page.
Lac Beau Bassin in Matawinie, 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 2025. Water clarity: 3 m visibility. Phosphorus: 7.4 µg/L. Chlorophyll-a (algae): 2.7 µg/L.
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Lac Beau Bassin is a lake in Matawinie County, Québec.
Source: Québec RSVL (MELCCFP) — not the EPA Water Quality Portal, last sampled 2025-08-01. Grade methodology: LakeQuality methodology.
What Lac Beau Bassin is good for
From access and monitoring records, not editorial picks.
- Clear water9.8 ft of visibility
Swimming conditions
No readingNot rated
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Lac Beau Bassin 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.
Water quality measurements for Lac Beau Bassin
These are the measurements MELCCFP publishes for Lac Beau Bassin, 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 9.8 ft. Phosphorus 7.4 µg/L. Chlorophyll-a 2.7 µg/L.
| Metric | Value | EPA condition class |
|---|---|---|
| Water Clarity (Secchi Depth) | 3 m | Measured, not scored |
| Phosphorus | 7.4 µg/L | Measured, not scored |
| Chlorophyll-a (Algae) | 2.7 µg/L | Measured, not scored |
Fishing Lac Beau Bassin
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Frequently asked questions about Lac Beau Bassin
Where is Lac Beau Bassin?
- Lac Beau Bassin is a lake in Matawinie, Québec. MELCCFP classifies it zone de transition méso-eutrophe for 2025. This is MELCCFP's own trophic classification for 2025, not a LakeQuality grade.
What is the water quality of Lac Beau Bassin?
- Lac Beau Bassin in Matawinie, 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 2025. Water clarity: 3 m visibility. Phosphorus: 7.4 µg/L. Chlorophyll-a (algae): 2.7 µg/L.
Is Lac Beau Bassin safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
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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 Beau Bassin. It is shown here as theirs, in their words, and is not folded into the LakeQuality letter.
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 (12 classified 2008–2025)
| Year | Published class |
|---|---|
| 2024 | zone de transition méso-eutrophe |
| 2023 | zone de transition méso-eutrophe |
| 2022 | classe mésotrophe |
| 2021 | zone de transition oligo-mésotrophe |
| 2020 | zone de transition oligo-mésotrophe |
| 2019 | zone de transition oligo-mésotrophe |
| 2018 | classe mésotrophe |
| 2014 | classe mésotrophe |
| 2013 | classe oligotrophe |
| 2009 | classe mésotrophe |
| 2008 | zone 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 Beau Bassin 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.