Coaticook County, Québec · Water Quality Report Card
Lac Lindsay
Lac Lindsay in Coaticook, Québec received a water quality grade of D (Poor). Water clarity: 1.2 m visibility. Phosphorus: 37.1 µg/L. Chlorophyll-a (algae): 26.2 µg/L.
- Clarity
- 1.2 m
- Type
- Eutrophic
Lac Lindsay is a productive, nutrient-rich eutrophic lake in Coaticook County, Québec. Water quality is graded D based on 3 sampling years through 2021. Compared to the 2 other monitored lakes in Coaticook County, Lac Lindsay ranks #3 for water quality.
Source: EPA Water Quality Portal sampling records, MELCCFP, last sampled 2021-08-01. Grade methodology: LakeGrade methodology.
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Swimming Safety
Swimming not recommended, poor water quality with high algae risk
Water Quality Grade: D, Poor
Murky, only visible to about 3.9 ft. Phosphorus level: 37.1 µg/L. Chlorophyll-a: 26.2 µg/L. Trophic State Index: 59.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 1.2 m | D |
| Phosphorus | 37.1 µg/L | C |
| Chlorophyll-a (Algae) | 26.2 µg/L | D |
| Trophic State Index (TSI) | 59 | Eutrophic |
High nutrients, frequent algae, reduced clarity
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Fishing Lac Lindsay
Location
County Ranking
Ranked #3 of 3 lakes in Coaticook
Cleaner Lakes Within 30 Miles
Lac Lindsay holds Grade D. 5 nearby lakes hold higher grades.
- ALac LysterCoaticook · 20.8 mi · Two grade letters higher (D → A)
- ALac WallaceCoaticook · 12.2 mi · Two grade letters higher (D → A)
- ALac MassawippiMemphrémagog · 25 mi · Two grade letters higher (D → A)
- ALac MagogEstrie · 25.8 mi · Two grade letters higher (D → A)
- ALac MiroirLe Haut-Saint-François · 28.8 mi · Two grade letters higher (D → A)
Nearby Lakes in Coaticook
Explore Lac Lindsay across LakeGrade
More Québec Lake Rankings
Other Grade D Lakes in Québec
Eutrophic Lakes in Québec
More records, surveys & data sources
Where this data comes from
Measurements for Lac Lindsay 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: 2021-08-01
Monitoring stations: