Les Pays-d'en-Haut County, Québec · Water Quality Report Card
Lac Schryer
Lac Schryer in Les Pays-d'en-Haut, Québec received a water quality grade of C (Fair). Water clarity: 1.3 m visibility. Phosphorus: 18 µg/L. Chlorophyll-a (algae): 16.5 µg/L.
- Clarity
- 1.3 m
- Type
- Eutrophic
Lac Schryer is a productive, nutrient-rich eutrophic lake in Les Pays-d'en-Haut County, Québec. Water quality is graded C based on 3 sampling years through 2025. Compared to the 108 other monitored lakes in Les Pays-d'en-Haut County, Lac Schryer ranks #107 for water quality.
Source: EPA Water Quality Portal sampling records, MELCCFP, last sampled 2025-08-01. Grade methodology: LakeGrade methodology.
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Swimming Safety
Swim with caution, moderate algae may be present
Water Quality Grade: C, Fair
Murky, only visible to about 4.1 ft. Phosphorus level: 18 µg/L. Chlorophyll-a: 16.5 µg/L. Trophic State Index: 54.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 1.25 m | D |
| Phosphorus | 18 µg/L | A |
| Chlorophyll-a (Algae) | 16.5 µg/L | C |
| Trophic State Index (TSI) | 54 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Where to stay near Lac Schryer
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Fishing Lac Schryer
Location
County Ranking
Ranked #107 of 109 lakes in Les Pays-d'en-Haut
Cleaner Lakes Within 30 Miles
Lac Schryer holds Grade C. 5 nearby lakes hold higher grades.
- ALac OuimetLes Pays-d'en-Haut · 0.7 mi · Two grade letters higher (C → A)
- ALac MaroisLes Pays-d'en-Haut · 1.1 mi · Two grade letters higher (C → A)
- BLac BeaulneLes Pays-d'en-Haut · 0.8 mi · Higher grade (C → B)
- BLac CôMe-LalandeLes Pays-d'en-Haut · 1 mi · Higher grade (C → B)
- BLac CanardLes Pays-d'en-Haut · 1.3 mi · Higher grade (C → B)
Nearby Lakes in Les Pays-d'en-Haut
Explore Lac Schryer across LakeGrade
More Québec Lake Rankings
Other Grade C Lakes in Québec
Eutrophic Lakes in Québec
More records, surveys & data sources
Where this data comes from
Measurements for Lac Schryer 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: 2025-08-01
Monitoring stations: