Central Ontario County, Ontario · Water Quality Report Card
Emily Lake
Emily Lake in Central Ontario, Ontario received a water quality grade of C (Fair). Water clarity: 2.9 m visibility. Phosphorus: 30.4 µg/L.
- Clarity
- 2.9 m
- Type
- Mesotrophic
Emily Lake is a mesotrophic lake in Central Ontario County, Ontario. Water quality is graded C based on 2 sampling years through 2019. Compared to the 19 other monitored lakes in Central Ontario County, Emily Lake ranks #19 for water quality.
Source: EPA Water Quality Portal sampling records, Ontario MECP, last sampled 2019-04-29. Grade methodology: LakeGrade methodology.
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Swimming Safety
Generally safe for swimming, moderate water quality
Water Quality Grade: C, Fair
Moderate clarity, visible to about 9.5 ft. Phosphorus level: 30.4 µg/L. Trophic State Index: 49.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 2.9 m | C |
| Phosphorus | 30.4 µg/L | C |
| Chlorophyll-a (Algae) | No data | |
| Trophic State Index (TSI) | 49 | Mesotrophic |
Moderate nutrients, good water quality
Where to stay near Emily Lake
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Fishing Emily Lake
Location
County Ranking
Ranked #19 of 20 lakes in Central Ontario
Cleaner Lakes Within 30 Miles
Emily Lake holds Grade C. 5 nearby lakes hold higher grades.
- ASandy LakePeterborough · 10.7 mi · Two grade letters higher (C → A)
- BSturgeon LakeCentral Ontario · 6.5 mi · Higher grade (C → B)
- BPigeon LakePeterborough · 6.7 mi · Higher grade (C → B)
- BChemong LakePeterborough · 9.8 mi · Higher grade (C → B)
- BBuckhorn LakePeterborough · 11.1 mi · Higher grade (C → B)
Nearby Lakes in Central Ontario
Explore Emily Lake across LakeGrade
More Ontario Lake Rankings
Other Grade C Lakes in Ontario
Mesotrophic Lakes in Ontario
More records, surveys & data sources
Where this data comes from
Measurements for Emily 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: 2019-04-29
Monitoring stations: