Abitibi-Témiscamingue County, Québec · Water Quality Report Card
Lac JoannèS
Lac JoannèS in Abitibi-Témiscamingue, Québec received a water quality grade of B (Good). Water clarity: 1.6 m visibility. Phosphorus: 9.6 µg/L. Chlorophyll-a (algae): 3.5 µg/L.
- Clarity
- 1.6 m
- Type
- Mesotrophic
Lac JoannèS is a mesotrophic lake in Abitibi-Témiscamingue County, Québec. Water quality is graded B based on 3 sampling years through 2024. Compared to the 18 other monitored lakes in Abitibi-Témiscamingue County, Lac JoannèS ranks #5 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 5.1 ft. Phosphorus level: 9.6 µg/L. Chlorophyll-a: 3.5 µg/L. Trophic State Index: 44.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 1.55 m | D |
| Phosphorus | 9.6 µg/L | A |
| Chlorophyll-a (Algae) | 3.5 µg/L | A |
| Trophic State Index (TSI) | 44 | Mesotrophic |
Moderate nutrients, good water quality
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Fishing Lac JoannèS
Location
County Ranking
Ranked #5 of 19 lakes in Abitibi-Témiscamingue
Cleaner Lakes Within 30 Miles
Lac JoannèS holds Grade B. 3 nearby lakes hold higher grades.
- ALac OsiskoAbitibi-Témiscamingue · 14.8 mi · Higher grade (B → A)
- ALac DufaultAbitibi-Témiscamingue · 16.2 mi · Higher grade (B → A)
- BLac VaudrayAbitibi-Témiscamingue · 7 mi · Higher overall water quality score
Nearby Lakes in Abitibi-Témiscamingue
Explore Lac JoannèS 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 JoannèS 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: