Prescott and Russell Counties County, Ontario · Water Quality Report Card
Lac Dollard-des-Ormeaux Lake
Lac Dollard-des-Ormeaux Lake in Prescott and Russell Counties, Ontario received a water quality grade of C (Fair). Water clarity: 1.8 m visibility. Phosphorus: 21.2 µg/L.
- Clarity
- 1.8 m
- Type
- Mesotrophic
Lac Dollard-des-Ormeaux Lake is a mesotrophic lake in Prescott and Russell Counties County, Ontario. Water quality is graded C based on 2 sampling years through 2023.
Source: EPA Water Quality Portal sampling records, Ontario MECP, last sampled 2023-07-20. Grade methodology: LakeGrade methodology.
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Swimming Safety
Generally safe for swimming, moderate water quality
Water Quality Grade: C, Fair
Murky, only visible to about 5.9 ft. Phosphorus level: 21.2 µg/L. Trophic State Index: 50.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 1.8 m | D |
| Phosphorus | 21.2 µg/L | B |
| Chlorophyll-a (Algae) | No data | |
| Trophic State Index (TSI) | 50 | Mesotrophic |
Moderate nutrients, good water quality
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Fishing Lac Dollard-des-Ormeaux Lake
Location
County Ranking
Ranked #1 of 1 lakes in Prescott and Russell Counties
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More records, surveys & data sources
Where this data comes from
Measurements for Lac Dollard-des-Ormeaux 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: 2023-07-20
Monitoring stations: