Le Fjord-du-Saguenay County, Québec · Water Quality Report Card
Lac à la Croix
Lac à la Croix in Le Fjord-du-Saguenay, Québec received a water quality grade of B (Good). Water clarity: 2.9 m visibility. Phosphorus: 4.7 µg/L. Chlorophyll-a (algae): 2.6 µg/L.
- Clarity
- 2.9 m
- Type
- Oligotrophic
Lac à la Croix is a cold, clear oligotrophic lake in Le Fjord-du-Saguenay County, Québec. Water quality is graded B based on 3 sampling years through 2024. Compared to the 22 other monitored lakes in Le Fjord-du-Saguenay County, Lac à la Croix ranks #15 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
Moderate clarity, visible to about 9.4 ft. Phosphorus level: 4.7 µg/L. Chlorophyll-a: 2.6 µg/L. Trophic State Index: 37.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 2.85 m | C |
| Phosphorus | 4.7 µg/L | A |
| Chlorophyll-a (Algae) | 2.6 µg/L | A |
| Trophic State Index (TSI) | 37 | Oligotrophic |
Low nutrients, clear water, excellent for swimming
Where to stay near Lac à la Croix
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Fishing Lac à la Croix
Location
County Ranking
Ranked #15 of 23 lakes in Le Fjord-du-Saguenay
Cleaner Lakes Within 30 Miles
Lac à la Croix holds Grade B. 4 nearby lakes hold higher grades.
- ALac RondLe Fjord-du-Saguenay · 4.3 mi · Higher grade (B → A)
- ALac LaurentLe Fjord-du-Saguenay · 14.3 mi · Higher grade (B → A)
- ALac DocteurLe Fjord-du-Saguenay · 26.1 mi · Higher grade (B → A)
- ALac NoirCharlevoix-Est · 28.6 mi · Higher grade (B → A)
Nearby Lakes in Le Fjord-du-Saguenay
Explore Lac à la Croix across LakeGrade
More Québec Lake Rankings
Other Grade B Lakes in Québec
Oligotrophic Lakes in Québec
More records, surveys & data sources
Where this data comes from
Measurements for Lac à la Croix 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: