Cochrane District County, Ontario · Water Quality Report Card
Montreuil Lake
Montreuil Lake in Cochrane District, Ontario received a water quality grade of B (Good). Phosphorus: 26.2 µg/L.
- Type
- Eutrophic
Montreuil Lake is a productive, nutrient-rich eutrophic lake in Cochrane District County, Ontario. Water quality is graded B based on 1 sampling years through 2015. Compared to the 134 other monitored lakes in Cochrane District County, Montreuil Lake ranks #73 for water quality.
Source: EPA Water Quality Portal sampling records, Ontario MECP, last sampled 2015-05-15. Grade methodology: LakeGrade methodology.
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Swimming Safety
Good for swimming, clear water with low algae levels
Water Quality Grade: B, Good
No clarity data. Phosphorus level: 26.2 µg/L. Trophic State Index: 51.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | No data | |
| Phosphorus | 26.2 µg/L | B |
| Chlorophyll-a (Algae) | No data | |
| Trophic State Index (TSI) | 51 | Eutrophic |
High nutrients, frequent algae, reduced clarity
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Fishing Montreuil Lake
Location
County Ranking
Ranked #73 of 135 lakes in Cochrane District
Nearby Lakes in Cochrane District
Explore Montreuil Lake across LakeGrade
More Ontario Lake Rankings
Other Grade B Lakes in Ontario
Eutrophic Lakes in Ontario
More records, surveys & data sources
Where this data comes from
Measurements for Montreuil Lake 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: 2015-05-15
Monitoring stations: