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LakeQuality

ÉTang Aux Cerises

Memphrémagog, QuébecView mapDirections

classe eutrophe

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

Clarity
1.8 m
Murkier than most
Secchi · sampled 2025
Phosphorus
11.9 µg/L
More phosphorus than most
Measured by MELCCFP
Chlorophyll-a
9.3 µg/L
More algae than most
Measured by MELCCFP
Max depth
~16.2 m est.
GLOBathy model
  • 53 ft max depth

ÉTang Aux Cerises in Memphrémagog, Québec is classified classe eutrophe by Ministère de l’Environnement, de la Lutte contre les changements climatiques, de la Faune et des Parcs (Québec) for 2025. Water clarity: 1.8 m visibility. Phosphorus: 11.9 µg/L. Chlorophyll-a (algae): 9.3 µg/L.

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ÉTang Aux Cerises is a lake in Memphrémagog County, Québec with an estimated average depth of about 53 feet.

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

Swimming conditions

No reading

Not rated

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

Whether ÉTang Aux Cerises 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 ÉTang Aux Cerises

These are the measurements MELCCFP publishes for ÉTang Aux Cerises, 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 5.9 ft. Phosphorus 11.9 µg/L. Chlorophyll-a 9.3 µg/L.

Water quality readings
MeasureReadingWhere it sits
Water clarity (Secchi depth)1.8mMeasured, not scored

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

Total phosphorus11.9µg/LMeasured, not scored

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

Chlorophyll-a (algae)9.3µg/LMeasured, not scored

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

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

Lake Details

Max depth

~16.2 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 ÉTang Aux Cerises.

Lake Size & Watershed

Watershed (drainage) area

5 sq mi

HydroLAKES / HydroSHEDS

Surface area

158 acres

HydroLAKES / HydroSHEDS

Shoreline

4 mi

HydroLAKES / HydroSHEDS

Elevation

856 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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Fishing ÉTang Aux Cerises

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Frequently asked questions about ÉTang Aux Cerises

Where is ÉTang Aux Cerises?

ÉTang Aux Cerises is a lake in Memphrémagog, Québec. MELCCFP classifies it classe eutrophe for 2025. This is MELCCFP's own trophic classification for 2025, not a LakeQuality grade.

What is the water quality of ÉTang Aux Cerises?

ÉTang Aux Cerises in Memphrémagog, Québec is classified classe eutrophe by Ministère de l’Environnement, de la Lutte contre les changements climatiques, de la Faune et des Parcs (Québec) for 2025. Water clarity: 1.8 m visibility. Phosphorus: 11.9 µg/L. Chlorophyll-a (algae): 9.3 µg/L.

Measurements on this page ↑

Is ÉTang Aux Cerises 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 ÉTang Aux Cerises?

No published bathymetric survey covers ÉTang Aux Cerises, so its depth has not been measured. The HydroLAKES global model estimates an average depth of about 53 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 ÉTang Aux Cerises. It is shown here as theirs, in their words, and is not folded into the LakeQuality letter.

Most recent, 2025
classe eutrophe

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 2013–2025)
YearPublished class
2024classe eutrophe
2023zone de transition méso-eutrophe
2022zone de transition méso-eutrophe
2021zone de transition méso-eutrophe
2020classe eutrophe
2019zone de transition méso-eutrophe
2018classe eutrophe
2016classe eutrophe
2015zone de transition méso-eutrophe
2014zone de transition méso-eutrophe
2013zone 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 ÉTang Aux Cerises 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)