Lac Rita
Portneuf, QuébecView mapDirections
This is MELCCFP's own trophic classification for 2025, not a LakeQuality grade. See every year
Lac Rita in Portneuf, 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: 8.4 m visibility. Phosphorus: 5.4 µg/L. Chlorophyll-a (algae): 1.8 µg/L.
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Lac Rita is a lake in Portneuf County, Québec.
Source: Québec RSVL (MELCCFP) — not the EPA Water Quality Portal, last sampled 2025-08-01. Grade methodology: LakeQuality methodology.
What Lac Rita is good for
From access and monitoring records, not editorial picks.
- Clear water27.6 ft of visibility
Swimming conditions
No readingNot rated
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Lac Rita 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.
Water quality measurements for Lac Rita
These are the measurements MELCCFP publishes for Lac Rita, 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 27.6 ft down. Phosphorus 5.4 µg/L. Chlorophyll-a 1.8 µg/L.
| Metric | Value | EPA condition class |
|---|---|---|
| Water Clarity (Secchi Depth) | 8.4 m | Measured, not scored |
| Phosphorus | 5.4 µg/L | Measured, not scored |
| Chlorophyll-a (Algae) | 1.8 µg/L | Measured, not scored |
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Frequently asked questions about Lac Rita
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Answers come straight from the public measurements and survey records on this page.
Where is Lac Rita?
- Lac Rita is a lake in Portneuf, 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 Rita?
- Lac Rita in Portneuf, 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: 8.4 m visibility. Phosphorus: 5.4 µg/L. Chlorophyll-a (algae): 1.8 µg/L.
Is Lac Rita safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
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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 Rita. It is shown here as theirs, in their words, and is not folded into the LakeQuality letter.
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 (3 classified 2023–2025)
| Year | Published class |
|---|---|
| 2024 | classe oligotrophe |
| 2023 | classe 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 Rita 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.