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LakeQuality

Lac Xavier

Les Laurentides, QuébecView mapDirections

classe oligotrophe

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

Clarity
8.5 m
Clearer than most
Secchi · sampled 2025
Phosphorus
1.8 µg/L
Less phosphorus than most
Measured by MELCCFP
Chlorophyll-a
1 µg/L
Less algae than most
Measured by MELCCFP
Max depth
~20.7 m est.
GLOBathy model
  • 68 ft max depth

Lac Xavier in Les Laurentides, 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 2025. Water clarity: 8.5 m visibility. Phosphorus: 1.8 µg/L. Chlorophyll-a (algae): 1 µg/L.

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Lac Xavier is a lake in Les Laurentides County, Québec with an estimated average depth of about 68 feet.

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

What Lac Xavier is good for

From access and monitoring records, not editorial picks.

  • Clear water27.9 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 Xavier 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 Xavier

These are the measurements MELCCFP publishes for Lac Xavier, 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 27.9 ft down. Phosphorus 1.8 µg/L. Chlorophyll-a 1 µg/L.

Water quality readings
MeasureReadingWhere it sits
Water clarity (Secchi depth)8.5mMeasured, not scored

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

Total phosphorus1.8µg/LMeasured, not scored

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

Chlorophyll-a (algae)1µg/LMeasured, not scored

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

Ask about Lac Xavier

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

Lake Details

Max depth

~20.7 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 Xavier.

Lake Size & Watershed

Watershed (drainage) area

1 sq mi

HydroLAKES / HydroSHEDS

Surface area

264 acres

HydroLAKES / HydroSHEDS

Shoreline

5.6 mi

HydroLAKES / HydroSHEDS

Elevation

850 ft

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.

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Stays near Lac Xavier

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Fishing Lac Xavier

Nearby Lakes in Les Laurentides

Frequently asked questions about Lac Xavier

Where is Lac Xavier?

Lac Xavier is a lake in Les Laurentides, Québec. MELCCFP classifies it classe oligotrophe for 2025. This is MELCCFP's own trophic classification for 2025, not a LakeQuality grade.

What is the water quality of Lac Xavier?

Lac Xavier in Les Laurentides, 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 2025. Water clarity: 8.5 m visibility. Phosphorus: 1.8 µg/L. Chlorophyll-a (algae): 1 µg/L.

Measurements on this page ↑

Is Lac Xavier safe to swim in?

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

Swimming on this page ↑

How deep is Lac Xavier?

No published bathymetric survey covers Lac Xavier, so its depth has not been measured. The HydroLAKES global model estimates an average depth of about 68 feet, but that is a modelled estimate derived from surrounding terrain rather than a measurement on the water, so treat it as approximate.

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

Most recent, 2025
classe oligotrophe

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 2014–2025)
YearPublished class
2024classe oligotrophe
2023classe ultra-oligotrophe
2022classe oligotrophe
2021classe ultra-oligotrophe
2020classe oligotrophe
2019classe oligotrophe
2018classe oligotrophe
2017classe ultra-oligotrophe
2016classe ultra-oligotrophe
2015classe oligotrophe
2014classe 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 Xavier 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)