Skip to main content
LakeQuality

Lac Millette

Les Pays-d'en-Haut, QuébecView mapDirections

classe oligotrophe

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

Clarity
7.6 m
Clearer than most
Secchi · sampled 2025
Phosphorus
3.7 µg/L
Less phosphorus than most
Measured by MELCCFP
Chlorophyll-a
1.3 µg/L
Less algae than most
Measured by MELCCFP
Max depth
~7.6 m est.
GLOBathy model
  • 25 ft max depth

Lac Millette in Les Pays-d'en-Haut, 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: 7.6 m visibility. Phosphorus: 3.7 µg/L. Chlorophyll-a (algae): 1.3 µg/L.

Loading map…

Lac Millette is a lake in Les Pays-d'en-Haut County, Québec with an estimated average depth of about 25 feet.

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

What Lac Millette is good for

From access and monitoring records, not editorial picks.

  • Clear water24.8 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 Millette 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.

Get alerts for Lac Millette →

Water quality measurements for Lac Millette

These are the measurements MELCCFP publishes for Lac Millette, 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 24.8 ft down. Phosphorus 3.7 µg/L. Chlorophyll-a 1.3 µg/L.

Water quality readings
MeasureReadingWhere it sits
Water clarity (Secchi depth)7.55mMeasured, not scored

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

Total phosphorus3.7µg/LMeasured, not scored

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

Chlorophyll-a (algae)1.3µg/LMeasured, not scored

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

Ask about Lac Millette

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

Lake Details

Max depth

~7.6 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 Millette.

Lake Size & Watershed

Watershed (drainage) area

0 sq mi

HydroLAKES / HydroSHEDS

Surface area

40 acres

HydroLAKES / HydroSHEDS

Shoreline

1.1 mi

HydroLAKES / HydroSHEDS

Elevation

1,070 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.

Stays via Stay22

Stays near Lac Millette

Compare lakeside cabins, hotels, and vacation rentals near Lac Millette in Les Pays-d'en-Haut, Québec — live availability and prices for your trip. Switch the map to Satellite to see the lake and how close each stay is to the water.

Top-rated places to stay near Lac Millette

Prices for Oct 30–Nov 1, 4 adults. Change dates on the map below.

Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.

Follow Lac Millette’s readings

Email me when new measurements post for this lake. Updates stay free.


Or email

Fishing Lac Millette

Nearby Lakes in Les Pays-d'en-Haut

Frequently asked questions about Lac Millette

Where is Lac Millette?

Lac Millette is a lake in Les Pays-d'en-Haut, 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 Millette?

Lac Millette in Les Pays-d'en-Haut, 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: 7.6 m visibility. Phosphorus: 3.7 µg/L. Chlorophyll-a (algae): 1.3 µg/L.

Measurements on this page ↑

Is Lac Millette 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 Millette?

No published bathymetric survey covers Lac Millette, so its depth has not been measured. The HydroLAKES global model estimates an average depth of about 25 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 Millette. 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 (10 classified 2011–2025)
YearPublished class
2024classe oligotrophe
2023classe oligotrophe
2022classe ultra-oligotrophe
2021classe oligotrophe
2015classe oligotrophe
2014classe oligotrophe
2013classe oligotrophe
2012classe oligotrophe
2011classe 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 Millette 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)