Skip to main content
LakeQuality

Lac Ouimet

Les Pays-d'en-Haut, QuébecView mapDirections

zone de transition oligo-mésotrophe

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

Clarity
4.7 m
Secchi · sampled 2025
Phosphorus
4.7 µg/L
Measured by MELCCFP
Chlorophyll-a
2.1 µg/L
Measured by MELCCFP

Lac Ouimet in Les Pays-d'en-Haut, Québec is classified zone de transition oligo-mésotrophe by Ministère de l’Environnement, de la Lutte contre les changements climatiques, de la Faune et des Parcs (Québec) for 2025. Water clarity: 4.7 m visibility. Phosphorus: 4.7 µg/L. Chlorophyll-a (algae): 2.1 µg/L.

Loading map…

Stays via Stay22

Stays near Lac Ouimet

Compare lakeside cabins, hotels, and vacation rentals near Lac Ouimet 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 Ouimet

Prices for Sep 18–20, 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 Ouimet’s readings

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


Or email

Lac Ouimet is a lake in Les Pays-d'en-Haut County, Québec.

Source: Québec RSVL (MELCCFP) — not the EPA Water Quality Portal, last sampled 2025-08-01. Grade methodology: LakeQuality methodology.

What Lac Ouimet is good for

From access and monitoring records, not editorial picks.

  • Clear water15.3 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 Ouimet 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 Ouimet

Water quality measurements for Lac Ouimet

These are the measurements MELCCFP publishes for Lac Ouimet, 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 15.3 ft down. Phosphorus 4.7 µg/L. Chlorophyll-a 2.1 µg/L.

MetricValueEPA condition class
Water Clarity (Secchi Depth)4.65 mMeasured, not scored
Phosphorus4.7 µg/LMeasured, not scored
Chlorophyll-a (Algae)2.1 µg/LMeasured, not scored

Fishing Lac Ouimet

Nearby Lakes in Les Pays-d'en-Haut

Frequently asked questions about Lac Ouimet

Ask about Lac Ouimet

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

Where is Lac Ouimet?

Lac Ouimet is a lake in Les Pays-d'en-Haut, Québec. MELCCFP classifies it zone de transition oligo-mésotrophe for 2025. This is MELCCFP's own trophic classification for 2025, not a LakeQuality grade.

What is the water quality of Lac Ouimet?

Lac Ouimet in Les Pays-d'en-Haut, Québec is classified zone de transition oligo-mésotrophe by Ministère de l’Environnement, de la Lutte contre les changements climatiques, de la Faune et des Parcs (Québec) for 2025. Water clarity: 4.7 m visibility. Phosphorus: 4.7 µg/L. Chlorophyll-a (algae): 2.1 µg/L.

Is Lac Ouimet safe to swim in?

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

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

Most recent, 2025
zone de transition oligo-mésotrophe

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 (18 classified 2014–2025)
YearPublished class
2024zone de transition oligo-mésotrophe
2023zone de transition oligo-mésotrophe
2022zone de transition oligo-mésotrophe
2021zone de transition oligo-mésotrophe
2020zone de transition oligo-mésotrophe
2019classe oligotrophe
2018classe oligotrophe
2017zone de transition oligo-mésotrophe
2016zone de transition oligo-mésotrophe
2015zone de transition oligo-mésotrophe
2014zone de transition oligo-mésotrophe

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 Ouimet 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.