Leeds and Grenville Counties County, Ontario · Water Quality Report Card
Little Cranberry Lake
Little Cranberry Lake in Leeds and Grenville Counties, Ontario received a water quality grade of C (Fair). Water clarity: 2.5 m visibility. Phosphorus: 44.7 µg/L.
- Clarity
- 2.5 m
- Type
- Eutrophic
Little Cranberry Lake is a productive, nutrient-rich eutrophic lake in Leeds and Grenville Counties County, Ontario. Water quality is graded C based on 2 sampling years through 2023. Compared to the 33 other monitored lakes in Leeds and Grenville Counties County, Little Cranberry Lake ranks #32 for water quality.
Source: EPA Water Quality Portal sampling records, Ontario MECP, last sampled 2023-10-04. 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 8.2 ft. Phosphorus level: 44.7 µg/L. Trophic State Index: 53.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 2.5 m | C |
| Phosphorus | 44.7 µg/L | C |
| Chlorophyll-a (Algae) | No data | |
| Trophic State Index (TSI) | 53 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Where to stay near Little Cranberry Lake
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Fishing Little Cranberry Lake
Location
County Ranking
Ranked #32 of 34 lakes in Leeds and Grenville Counties
Cleaner Lakes Within 30 Miles
Little Cranberry Lake holds Grade C. 5 nearby lakes hold higher grades.
- AWhitefish LakeLeeds and Grenville Counties · 2.7 mi · Two grade letters higher (C → A)
- AGrippen LakeLeeds and Grenville Counties · 4.6 mi · Two grade letters higher (C → A)
- AGananoque LakeLeeds and Grenville Counties · 5.7 mi · Two grade letters higher (C → A)
- AGananoque River LakeLeeds and Grenville Counties · 5.8 mi · Two grade letters higher (C → A)
- BCranberry LakeFrontenac · 3.9 mi · Higher grade (C → B)
Nearby Lakes in Leeds and Grenville Counties
Explore Little Cranberry Lake across LakeGrade
More Ontario Lake Rankings
Other Grade C Lakes in Ontario
Eutrophic Lakes in Ontario
More records, surveys & data sources
Where this data comes from
Measurements for Little Cranberry 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: 2023-10-04
Monitoring stations: