Lac Roberge
La Vallée-de-la-Gatineau, QuébecView mapDirections
This is MELCCFP's own trophic classification for 2024, not a LakeQuality grade. See every year
- 42 ft max depth
Lac Roberge in La Vallée-de-la-Gatineau, Québec is classified classe oligotrophe by Ministère de l’Environnement, de la Lutte contre les changements climatiques, de la Faune et des Parcs (Québec) for 2024. Water clarity: 6.5 m visibility. Phosphorus: 4.3 µg/L. Chlorophyll-a (algae): 0.9 µg/L.
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Lac Roberge is a lake in La Vallée-de-la-Gatineau County, Québec with an estimated average depth of about 42 feet.
Source: Québec RSVL (MELCCFP) — not the EPA Water Quality Portal, last sampled 2024-08-01. Grade methodology: LakeQuality methodology.
What Lac Roberge is good for
From access and monitoring records, not editorial picks.
- Clear water21.3 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 Roberge 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 Roberge
These are the measurements MELCCFP publishes for Lac Roberge, 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 21.3 ft down. Phosphorus 4.3 µg/L. Chlorophyll-a 0.9 µg/L.
| Metric | Value | EPA condition class |
|---|---|---|
| Water Clarity (Secchi Depth) | 6.5 m | Measured, not scored |
| Phosphorus | 4.3 µg/L | Measured, not scored |
| Chlorophyll-a (Algae) | 0.9 µg/L | Measured, not scored |
Lake Details
| Characteristic | Value |
|---|---|
| Maximum Depth | ~12.8 m est. |
| Average Depth | ~6.7 m est. |
Depth marked “est.” is a modeled maximum from GLOBathy (Khazaei et al. 2022, CC0), not a measured survey. Québec has not published bathymetry for Lac Roberge.
Lake Size & Watershed
Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS). Mean depth here is modelled, not surveyed — HydroLAKES v1.0 estimates lake depth from surrounding terrain rather than from soundings. Treat it as an approximation, and prefer a state bathymetric survey where one exists.
Fishing Lac Roberge
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Frequently asked questions about Lac Roberge
Ask about Lac Roberge
Answers come straight from the public measurements and survey records on this page.
Where is Lac Roberge?
- Lac Roberge is a lake in La Vallée-de-la-Gatineau, Québec. MELCCFP classifies it classe oligotrophe for 2024. This is MELCCFP's own trophic classification for 2024, not a LakeQuality grade.
What is the water quality of Lac Roberge?
- Lac Roberge in La Vallée-de-la-Gatineau, Québec is classified classe oligotrophe by Ministère de l’Environnement, de la Lutte contre les changements climatiques, de la Faune et des Parcs (Québec) for 2024. Water clarity: 6.5 m visibility. Phosphorus: 4.3 µg/L. Chlorophyll-a (algae): 0.9 µg/L.
Is Lac Roberge safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
How deep is Lac Roberge?
- No published bathymetric survey covers Lac Roberge, so its depth has not been measured. The HydroLAKES global model estimates an average depth of about 42 feet, but that is a modelled estimate derived from surrounding terrain rather than a measurement on the water, so treat it as approximate.
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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 Roberge. 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 2024, 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 (10 classified 2015–2024)
| Year | Published class |
|---|---|
| 2023 | classe oligotrophe |
| 2022 | classe oligotrophe |
| 2021 | classe oligotrophe |
| 2020 | classe oligotrophe |
| 2019 | zone de transition oligo-mésotrophe |
| 2018 | classe oligotrophe |
| 2017 | classe ultra-oligotrophe |
| 2016 | classe ultra-oligotrophe |
| 2015 | classe 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 Roberge 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.
Other records on this page
Lake size & watershed from HydroLAKES (HydroSHEDS)