Eastern Ontario County, Ontario · Water Quality Report Card
Greely Lakes
Greely Lakes in Eastern Ontario, Ontario received a water quality grade of B (Good). Water clarity: 2.1 m visibility. Phosphorus: 20.5 µg/L.
- Clarity
- 2.1 m
- Type
- Mesotrophic
Greely Lakes is a mesotrophic lake in Eastern Ontario County, Ontario. Water quality is graded B based on 2 sampling years through 2011. Compared to the 4 other monitored lakes in Eastern Ontario County, Greely Lakes ranks #1 for water quality.
Source: EPA Water Quality Portal sampling records, Ontario MECP, last sampled 2011-07-21. 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: 20.5 µg/L. Trophic State Index: 49.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 2.1 m | C |
| Phosphorus | 20.5 µg/L | B |
| Chlorophyll-a (Algae) | No data | |
| Trophic State Index (TSI) | 49 | Mesotrophic |
Moderate nutrients, good water quality
Where to stay near Greely Lakes
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Fishing Greely Lakes
Location
County Ranking
Ranked #1 of 5 lakes in Eastern Ontario
Nearby Lakes in Eastern Ontario
Explore Greely Lakes across LakeGrade
More Ontario Lake Rankings
Other Grade B Lakes in Ontario
Leeds and Grenville Counties · 1.8 m
Leeds and Grenville Counties · 2.5 m
Leeds and Grenville Counties · 2.6 m
Leeds and Grenville Counties · 3 m
Leeds and Grenville Counties · 3 m
Leeds and Grenville Counties · 2.4 m
Mesotrophic Lakes in Ontario
More records, surveys & data sources
Where this data comes from
Measurements for Greely Lakes 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: 2011-07-21
Monitoring stations: