La Rivière-du-Nord County, Québec · Water Quality Report Card
Lac des Sources
Lac des Sources in La Rivière-du-Nord, Québec received a water quality grade of B (Good). Water clarity: 2.4 m visibility. Phosphorus: 9.7 µg/L. Chlorophyll-a (algae): 3.9 µg/L.
- Clarity
- 2.4 m
- Type
- Mesotrophic
Lac des Sources is a mesotrophic lake in La Rivière-du-Nord County, Québec. Water quality is graded B based on 3 sampling years through 2019. Compared to the 16 other monitored lakes in La Rivière-du-Nord County, Lac des Sources ranks #11 for water quality.
Source: EPA Water Quality Portal sampling records, MELCCFP, last sampled 2019-08-01. 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 7.9 ft. Phosphorus level: 9.7 µg/L. Chlorophyll-a: 3.9 µg/L. Trophic State Index: 43.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 2.4 m | C |
| Phosphorus | 9.7 µg/L | A |
| Chlorophyll-a (Algae) | 3.9 µg/L | A |
| Trophic State Index (TSI) | 43 | Mesotrophic |
Moderate nutrients, good water quality
Where to stay near Lac des Sources
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Fishing Lac des Sources
Location
County Ranking
Ranked #11 of 17 lakes in La Rivière-du-Nord
Cleaner Lakes Within 30 Miles
Lac des Sources holds Grade B. 5 nearby lakes hold higher grades.
- ALac MorencyLa Rivière-du-Nord · 1.6 mi · Higher grade (B → A)
- ALac TracyLa Rivière-du-Nord · 1.9 mi · Higher grade (B → A)
- ALac MontauboisLa Rivière-du-Nord · 2.2 mi · Higher grade (B → A)
- ALac BellevueLes Pays-d'en-Haut · 1.8 mi · Higher grade (B → A)
- ALac En CoeurLa Rivière-du-Nord · 2 mi · Higher grade (B → A)
Nearby Lakes in La Rivière-du-Nord
Explore Lac des Sources 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 des Sources 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: 2019-08-01
Monitoring stations: