Algoma District County, Ontario · Water Quality Report Card
Manitowik Lake
Manitowik Lake in Algoma District, Ontario received a water quality grade of B (Good). Water clarity: 2.6 m visibility. Phosphorus: 8.8 µg/L.
- Clarity
- 2.6 m
- Type
- Mesotrophic
Manitowik Lake is a mesotrophic lake in Algoma District County, Ontario. Water quality is graded B based on 2 sampling years through 2022. Compared to the 217 other monitored lakes in Algoma District County, Manitowik Lake ranks #173 for water quality.
Source: EPA Water Quality Portal sampling records, Ontario MECP, last sampled 2022-06-13. Grade methodology: LakeGrade methodology.
Watch Manitowik Lake water quality
Subscribe for LakeQuality updates by email. No spam, unsubscribe anytime.
Swimming Safety
Good for swimming, clear water with low algae levels
Water Quality Grade: B, Good
Moderate clarity, visible to about 8.5 ft. Phosphorus level: 8.8 µg/L. Trophic State Index: 41.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 2.6 m | C |
| Phosphorus | 8.8 µg/L | A |
| Chlorophyll-a (Algae) | No data | |
| Trophic State Index (TSI) | 41 | Mesotrophic |
Moderate nutrients, good water quality
Where to stay near Manitowik Lake
Compare lakeside cabins, hotels, and vacation rentals near Manitowik Lake in Algoma District, Ontario — live availability and prices for your trip. Switch the map to Satellite to see the lake and how close each stay is to the water.
Top-rated places to stay near Manitowik Lake
Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.
Planning a trip to Manitowik Lake?
Get lake water-quality report cards plus the best cabin & lodging deals near Manitowik Lake — straight to your inbox. No spam, unsubscribe anytime.
Fishing Manitowik Lake
Location
County Ranking
Ranked #173 of 218 lakes in Algoma District
Cleaner Lakes Within 30 Miles
Manitowik Lake holds Grade B. 4 nearby lakes hold higher grades.
- ABorzoi LakeAlgoma District · 8.9 mi · Higher grade (B → A)
- AWallace LakeAlgoma District · 6.4 mi · Higher grade (B → A)
- ASpeight LakeAlgoma District · 7.2 mi · Higher grade (B → A)
- AGrant LakeAlgoma District · 8.7 mi · Higher grade (B → A)
Nearby Lakes in Algoma District
Explore Manitowik Lake across LakeGrade
More Ontario Lake Rankings
Other Grade B Lakes in Ontario
Mesotrophic Lakes in Ontario
More records, surveys & data sources
Where this data comes from
Measurements for Manitowik 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: 2022-06-13
Monitoring stations: