Algoma District County, Ontario · Water Quality Report Card
Gibboney Lake
Gibboney Lake in Algoma District, Ontario received a water quality grade of D (Poor). Water clarity: 1 m visibility. Phosphorus: 41.4 µg/L.
- Clarity
- 1 m
- Type
- Eutrophic
Gibboney Lake is a productive, nutrient-rich eutrophic lake in Algoma District County, Ontario. Water quality is graded D based on 2 sampling years through 2010. Compared to the 217 other monitored lakes in Algoma District County, Gibboney Lake ranks #218 for water quality.
Source: EPA Water Quality Portal sampling records, Ontario MECP, last sampled 2010-08-13. 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
Very murky, less than 3.3 ft of visibility. Phosphorus level: 41.4 µg/L. Trophic State Index: 59.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 1 m | F |
| Phosphorus | 41.4 µg/L | C |
| Chlorophyll-a (Algae) | No data | |
| Trophic State Index (TSI) | 59 | Eutrophic |
High nutrients, frequent algae, reduced clarity
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Fishing Gibboney Lake
Location
County Ranking
Ranked #218 of 218 lakes in Algoma District
Cleaner Lakes Within 30 Miles
Gibboney Lake holds Grade D. 5 nearby lakes hold higher grades.
- ACloudy LakeAlgoma District · 5.9 mi · Two grade letters higher (D → A)
- AMccarroll LakeAlgoma District · 6.3 mi · Two grade letters higher (D → A)
- ARound LakeAlgoma District · 2.8 mi · Two grade letters higher (D → A)
- ADiamond LakeAlgoma District · 4.3 mi · Two grade letters higher (D → A)
- BCaribou LakeAlgoma District · 2 mi · Two grade letters higher (D → B)
Nearby Lakes in Algoma District
Explore Gibboney 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 Gibboney 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: 2010-08-13
Monitoring stations: