Kenora District County, Ontario · Water Quality Report Card
Sowden Lake
Sowden Lake in Kenora District, Ontario received a water quality grade of D (Poor). Water clarity: 1.6 m visibility.
- Clarity
- 1.6 m
- Type
- Eutrophic
Sowden Lake is a productive, nutrient-rich eutrophic lake in Kenora District County, Ontario. Water quality is graded D based on 1 sampling years through 2019. Compared to the 341 other monitored lakes in Kenora District County, Sowden Lake ranks #335 for water quality.
Source: EPA Water Quality Portal sampling records, Ontario MECP, last sampled 2019-05-23. Grade methodology: LakeGrade methodology.
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Swimming Safety
Swimming not recommended, poor water quality with high algae risk
Water Quality Grade: D, Poor
Murky, only visible to about 5.2 ft. Trophic State Index: 53.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 1.6 m | D |
| Phosphorus | No data | |
| Chlorophyll-a (Algae) | No data | |
| Trophic State Index (TSI) | 53 | Eutrophic |
High nutrients, frequent algae, reduced clarity
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Fishing Sowden Lake
Location
County Ranking
Ranked #335 of 342 lakes in Kenora District
Cleaner Lakes Within 30 Miles
Sowden Lake holds Grade D. 5 nearby lakes hold higher grades.
- BWintering L. LakeKenora District · 14 mi · Two grade letters higher (D → B)
- BMattawa LakeKenora District · 15.8 mi · Two grade letters higher (D → B)
- BVictoria LakeKenora District · 15.8 mi · Two grade letters higher (D → B)
- BLittle Sandbar LakeKenora District · 16 mi · Two grade letters higher (D → B)
- BBarrel LakeKenora District · 16.3 mi · Two grade letters higher (D → B)
Nearby Lakes in Kenora District
Explore Sowden Lake across LakeGrade
More Ontario Lake Rankings
Other Grade D Lakes in Ontario
Eutrophic Lakes in Ontario
More records, surveys & data sources
Where this data comes from
Measurements for Sowden 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: 2019-05-23
Monitoring stations: