Lac Bleu
Rouville, QuébecView mapDirections
This is MELCCFP's own trophic classification for 2010, not a LakeQuality grade. See every year
Lac Bleu in Rouville, Québec is classified classe hyper-eutrophe by Ministère de l’Environnement, de la Lutte contre les changements climatiques, de la Faune et des Parcs (Québec) for 2010. Water clarity: 0.4 m visibility. Phosphorus: 165 µg/L. Chlorophyll-a (algae): 82.4 µg/L.
Lac Bleu is a lake in Rouville County, Québec.
Source: Québec RSVL (MELCCFP) — not the EPA Water Quality Portal, last sampled 2010-08-01. Methodology: how these readings are compared.
Swimming conditions
No readingAlgae risk
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Lac Bleu 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 Bleu
These are the measurements MELCCFP publishes for Lac Bleu, 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 1.1 ft of visibility. Phosphorus 165 µg/L. Chlorophyll-a 82.4 µg/L.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 0.35m | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | 165µg/L | Measured, not scored The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential. |
| Chlorophyll-a (algae) | 82.4µg/L | Measured, not scored The green pigment in algae — a direct measure of how much algae is in the water. |
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Frequently asked questions about Lac Bleu
Where is Lac Bleu?
- Lac Bleu is a lake in Rouville, Québec. MELCCFP classifies it classe hyper-eutrophe for 2010. This is MELCCFP's own trophic classification for 2010, not a LakeQuality grade.
What is the water quality of Lac Bleu?
- Lac Bleu in Rouville, Québec is classified classe hyper-eutrophe by Ministère de l’Environnement, de la Lutte contre les changements climatiques, de la Faune et des Parcs (Québec) for 2010. Water clarity: 0.4 m visibility. Phosphorus: 165 µg/L. Chlorophyll-a (algae): 82.4 µg/L.
Is Lac Bleu 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 Bleu. 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 2010, 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 (2 classified 2009–2010)
| Year | Published class |
|---|---|
| 2009 | classe hyper-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 Bleu 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.