Parry Sound District County, Ontario · 45.44°N · Water Quality Report Card
Nine Mile Lake
Nine Mile Lake in Parry Sound District, Ontario received a water quality grade of C (Fair). Water clarity: 2.9 m visibility.
- Clarity
- 2.9 m
- Type
- Mesotrophic
Nine Mile Lake is a mesotrophic lake in Parry Sound District County, Ontario. Water quality is graded C based on 1 sampling years through 2014. Compared to the 230 other monitored lakes in Parry Sound District County, Nine Mile Lake ranks #225 for water quality.
Source: EPA Water Quality Portal sampling records, Ontario MECP, last sampled 2014-08-01. 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. Trophic State Index: 45.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 2.9 m | C |
| Phosphorus | No data | |
| Chlorophyll-a (Algae) | No data | |
| Trophic State Index (TSI) | 45 | Mesotrophic |
Moderate nutrients, good water quality
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Fishing Nine Mile Lake
Location
County Ranking
Ranked #225 of 231 lakes in Parry Sound District
Cleaner Lakes Within 30 Miles
Nine Mile Lake holds Grade C. 5 nearby lakes hold higher grades.
- BStrathdee LakeParry Sound District · 1.7 mi · Higher grade (C → B)
- BBell LakeParry Sound District · 1.8 mi · Higher grade (C → B)
- BHarris LakeParry Sound District · 3.4 mi · Higher grade (C → B)
- BWolf LakeParry Sound District · 5.4 mi · Higher grade (C → B)
- BVowel LakeParry Sound District · 5.5 mi · Higher grade (C → B)
Nearby Lakes in Parry Sound District
Explore Nine Mile Lake across LakeGrade
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Other Grade C Lakes in Ontario
Mesotrophic Lakes in Ontario
More records, surveys & data sources
Where this data comes from
Measurements for Nine Mile 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: 2014-08-01
Monitoring stations: