Argenteuil County, Québec · Water Quality Report Card
Lac En Croissant
Lac En Croissant in Argenteuil, Québec received a water quality grade of B (Good). Water clarity: 1.7 m visibility. Phosphorus: 12.6 µg/L. Chlorophyll-a (algae): 8.7 µg/L.
- Clarity
- 1.7 m
- Type
- Mesotrophic
Lac En Croissant is a mesotrophic lake in Argenteuil County, Québec. Water quality is graded B based on 3 sampling years through 2024. Compared to the 47 other monitored lakes in Argenteuil County, Lac En Croissant ranks #44 for water quality.
Source: EPA Water Quality Portal sampling records, MELCCFP, last sampled 2024-08-01. Grade methodology: LakeGrade methodology.
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Swimming Safety
Good for swimming, clear water with low algae levels
Water Quality Grade: B, Good
Murky, only visible to about 5.6 ft. Phosphorus level: 12.6 µg/L. Chlorophyll-a: 8.7 µg/L. Trophic State Index: 48.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 1.7 m | D |
| Phosphorus | 12.6 µg/L | A |
| Chlorophyll-a (Algae) | 8.7 µg/L | B |
| Trophic State Index (TSI) | 48 | Mesotrophic |
Moderate nutrients, good water quality
Where to stay near Lac En Croissant
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Fishing Lac En Croissant
Location
County Ranking
Ranked #44 of 48 lakes in Argenteuil
Cleaner Lakes Within 30 Miles
Lac En Croissant holds Grade B. 5 nearby lakes hold higher grades.
- ALac ReardonArgenteuil · 4.8 mi · Higher grade (B → A)
- ALac Saint-LouisLes Pays-d'en-Haut · 5.2 mi · Higher grade (B → A)
- ALac LouisaArgenteuil · 6.2 mi · Higher grade (B → A)
- ALac WindishLes Pays-d'en-Haut · 5 mi · Higher grade (B → A)
- ALac GrothéLes Pays-d'en-Haut · 5.1 mi · Higher grade (B → A)
Nearby Lakes in Argenteuil
Explore Lac En Croissant across LakeGrade
More Québec Lake Rankings
Other Grade B Lakes in Québec
Mesotrophic Lakes in Québec
More records, surveys & data sources
Where this data comes from
Measurements for Lac En Croissant come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.
Data Sources
Water quality data from the EPA Water Quality Portal
Grade thresholds from the EPA National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion
Most recent sample: 2024-08-01
Monitoring stations: