Manicouagan County, Québec · Water Quality Report Card
Lac ThéRèSe
Lac ThéRèSe in Manicouagan, Québec received a water quality grade of B (Good). Water clarity: 2.5 m visibility. Phosphorus: 5.1 µg/L. Chlorophyll-a (algae): 2.1 µg/L.
- Clarity
- 2.5 m
- Type
- Oligotrophic
Lac ThéRèSe is a cold, clear oligotrophic lake in Manicouagan County, Québec. Water quality is graded B based on 3 sampling years through 2009. Compared to the 16 other monitored lakes in Manicouagan County, Lac ThéRèSe ranks #7 for water quality.
Source: EPA Water Quality Portal sampling records, MELCCFP, last sampled 2009-08-01. 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 8.2 ft. Phosphorus level: 5.1 µg/L. Chlorophyll-a: 2.1 µg/L. Trophic State Index: 37.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 2.5 m | C |
| Phosphorus | 5.1 µg/L | A |
| Chlorophyll-a (Algae) | 2.1 µg/L | A |
| Trophic State Index (TSI) | 37 | Oligotrophic |
Low nutrients, clear water, excellent for swimming
Where to stay near Lac ThéRèSe
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Fishing Lac ThéRèSe
Location
County Ranking
Ranked #7 of 17 lakes in Manicouagan
Cleaner Lakes Within 30 Miles
Lac ThéRèSe holds Grade B. 2 nearby lakes hold higher grades.
- ALac à la LoutreManicouagan · 6.8 mi · Higher grade (B → A)
- ALac FrigonManicouagan · 12.1 mi · Higher grade (B → A)
Nearby Lakes in Manicouagan
Explore Lac ThéRèSe 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 ThéRèSe 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: 2009-08-01
Monitoring stations: