Le Domaine-du-Roy County, Québec · Water Quality Report Card
Lac Maggie
Lac Maggie in Le Domaine-du-Roy, Québec received a water quality grade of B (Good). Water clarity: 2.1 m visibility. Phosphorus: 9.1 µg/L. Chlorophyll-a (algae): 5 µg/L.
- Clarity
- 2.1 m
- Type
- Mesotrophic
Lac Maggie is a mesotrophic lake in Le Domaine-du-Roy County, Québec. Water quality is graded B based on 3 sampling years through 2015. Compared to the 12 other monitored lakes in Le Domaine-du-Roy County, Lac Maggie ranks #4 for water quality.
Source: EPA Water Quality Portal sampling records, MELCCFP, last sampled 2015-08-01. 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 6.9 ft. Phosphorus level: 9.1 µg/L. Chlorophyll-a: 5 µg/L. Trophic State Index: 44.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 2.1 m | C |
| Phosphorus | 9.1 µg/L | A |
| Chlorophyll-a (Algae) | 5 µg/L | A |
| Trophic State Index (TSI) | 44 | Mesotrophic |
Moderate nutrients, good water quality
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Fishing Lac Maggie
Location
County Ranking
Ranked #4 of 13 lakes in Le Domaine-du-Roy
Cleaner Lakes Within 30 Miles
Lac Maggie holds Grade B. 2 nearby lakes hold higher grades.
- ALac à AlmasLe Domaine-du-Roy · 10.4 mi · Higher grade (B → A)
- ALac à la CarpeLac-Saint-Jean-Est · 10.7 mi · Higher grade (B → A)
Nearby Lakes in Le Domaine-du-Roy
Explore Lac Maggie 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 Maggie 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: 2015-08-01
Monitoring stations: