Lac Vachon
Le Rocher-Percé, QuébecView mapDirections
This is MELCCFP's own trophic classification for 2023, not a LakeQuality grade. See every year
Lac Vachon in Le Rocher-Percé, 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 2023. Water clarity: 1.6 m visibility. Phosphorus: 13.8 µg/L. Chlorophyll-a (algae): 3 µg/L.
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Lac Vachon is a lake in Le Rocher-Percé County, Québec.
Source: Québec RSVL (MELCCFP) — not the EPA Water Quality Portal, last sampled 2023-08-01. Grade methodology: LakeQuality methodology.
Swimming conditions
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Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Lac Vachon 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 Vachon
These are the measurements MELCCFP publishes for Lac Vachon, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
Murky, only visible to about 5.2 ft. Phosphorus 13.8 µg/L. Chlorophyll-a 3 µg/L.
| Metric | Value | EPA condition class |
|---|---|---|
| Water Clarity (Secchi Depth) | 1.6 m | Measured, not scored |
| Phosphorus | 13.8 µg/L | Measured, not scored |
| Chlorophyll-a (Algae) | 3 µg/L | Measured, not scored |
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Frequently asked questions about Lac Vachon
Ask about Lac Vachon
Answers come straight from the public measurements and survey records on this page.
Where is Lac Vachon?
- Lac Vachon is a lake in Le Rocher-Percé, Québec. MELCCFP classifies it zone de transition oligo-mésotrophe for 2023. This is MELCCFP's own trophic classification for 2023, not a LakeQuality grade.
What is the water quality of Lac Vachon?
- Lac Vachon in Le Rocher-Percé, 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 2023. Water clarity: 1.6 m visibility. Phosphorus: 13.8 µg/L. Chlorophyll-a (algae): 3 µg/L.
Is Lac Vachon 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 Vachon. 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 2023, 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 (4 classified 2011–2023)
| Year | Published class |
|---|---|
| 2022 | zone de transition oligo-mésotrophe |
| 2021 | classe mésotrophe |
| 2011 | zone de transition méso-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 Vachon 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.