Skip to main content
LakeQuality

Lac Rainbow

Argenteuil, QuébecView mapDirections

zone de transition oligo-mésotrophe

This is MELCCFP's own trophic classification for 2023, not a LakeQuality grade. See every year

Clarity
3.4 m
Secchi · sampled 2023
Phosphorus
6.5 µg/L
Measured by MELCCFP
Chlorophyll-a
4.8 µg/L
Measured by MELCCFP

Lac Rainbow in Argenteuil, 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 2023. Water clarity: 3.4 m visibility. Phosphorus: 6.5 µg/L. Chlorophyll-a (algae): 4.8 µg/L.

Loading map…

Stays via Stay22

Stays near Lac Rainbow

Compare lakeside cabins, hotels, and vacation rentals near Lac Rainbow in Argenteuil, 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 Rainbow

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 Rainbow’s readings

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


Or email

Lac Rainbow is a lake in Argenteuil County, Québec.

Source: Québec RSVL (MELCCFP) — not the EPA Water Quality Portal, last sampled 2023-08-01. Grade methodology: LakeQuality methodology.

What Lac Rainbow is good for

From access and monitoring records, not editorial picks.

  • Clear water11.2 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 Rainbow 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 Rainbow

Water quality measurements for Lac Rainbow

These are the measurements MELCCFP publishes for Lac Rainbow, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.

Good clarity, visible to about 11.2 ft. Phosphorus 6.5 µg/L. Chlorophyll-a 4.8 µg/L.

MetricValueEPA condition class
Water Clarity (Secchi Depth)3.4 mMeasured, not scored
Phosphorus6.5 µg/LMeasured, not scored
Chlorophyll-a (Algae)4.8 µg/LMeasured, not scored

Fishing Lac Rainbow

Nearby Lakes in Argenteuil

Frequently asked questions about Lac Rainbow

Ask about Lac Rainbow

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

Where is Lac Rainbow?

Lac Rainbow is a lake in Argenteuil, Québec. MELCCFP classifies it zone de transition oligo-mésotrophe for 2023. This is MELCCFP's own trophic classification for 2023, not a LakeQuality grade.

What is the water quality of Lac Rainbow?

Lac Rainbow in Argenteuil, 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 2023. Water clarity: 3.4 m visibility. Phosphorus: 6.5 µg/L. Chlorophyll-a (algae): 4.8 µg/L.

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

Most recent, 2023
zone de transition oligo-mésotrophe

This is MELCCFP's own trophic classification for 2023, 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 (9 classified 2009–2023)
YearPublished class
2022zone de transition oligo-mésotrophe
2021zone de transition oligo-mésotrophe
2018classe mésotrophe
2015zone de transition oligo-mésotrophe
2014zone de transition oligo-mésotrophe
2012classe mésotrophe
2010zone de transition oligo-mésotrophe
2009zone 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 Rainbow 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.