Little Raft Lake
Sudbury District, OntarioView mapDirections
Ontario MECP publishes the water-quality measurements for Little Raft Lake. Here is what has been measured.
- Limited data
Little Raft Lake in Sudbury District, Ontario has water-quality measurements published by Ontario MECP, shown here as reported. Phosphorus: 8.1 µg/L.
Little Raft Lake is a lake in Sudbury District County, Ontario.
Source: Ontario open-data programmes (Lake Partner Program and Broad-scale Monitoring) — not the EPA Water Quality Portal, last sampled 2025-05-20. Methodology: how these readings are compared.
Swimming conditions
No readingLimited data
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Little Raft Lake is safe to swim in today is a call for the Ontario Ministry of the Environment, Conservation and Parks and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Little Raft Lake
These are the measurements Ontario MECP publishes for Little Raft Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
No clarity data. Phosphorus 8.1 µg/L. TSI 34.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | No reading How deep a black-and-white disk stays visible from the surface. Higher is clearer. | |
| Total phosphorus | 8.1µg/L | Measured, not scored The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential. |
| Chlorophyll-a (algae) | No reading The green pigment in algae — a direct measure of how much algae is in the water. | |
| Trophic state (TSI)Carlson's 0–100 index of how much algae a lake can support, from clarity, phosphorus and chlorophyll-a. | 34 | Oligotrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Low nutrients, clear water. No reading is a swimming clearance.
Ask about Little Raft Lake
Answers come straight from the public measurements and survey records on this page.
Stays via Stay22
Stays near Little Raft Lake
Compare lakeside cabins, hotels, and vacation rentals near Little Raft Lake in Sudbury 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 Little Raft Lake
Prices for Oct 30–Nov 1, 4 adults. Change dates on the map below.
Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.
Follow Little Raft Lake’s readings
Email me when new measurements post for this lake. Updates stay free.
Or email
Fishing Little Raft Lake
Nearby Lakes in Sudbury District
Frequently asked questions about Little Raft Lake
Where is Little Raft Lake?
- Little Raft Lake is a lake in Sudbury District, Ontario. Its water-quality measurements are published by Ontario MECP and shown on this page as reported.
What is the water quality of Little Raft Lake?
- Little Raft Lake in Sudbury District, Ontario has water-quality measurements published by Ontario MECP, shown here as reported. Phosphorus: 8.1 µg/L.
Is Little Raft Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Explore Little Raft Lake across LakeQuality
More lakes in Ontario
Other Lakes in Ontario
Oligotrophic Lakes in Ontario
Where this data comes from
Measurements for Little Raft Lake come from Ontario open-data programmes (Lake Partner Program and Broad-scale Monitoring), not the EPA Water Quality Portal. Per-sample source details are not recorded for this lake. Contains information licensed under the Open Government Licence – Ontario. See data sources.