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Flooded river

Ontario Water Management

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Abitibi River

Abitibi River System WMP

PDF

Lake Abitibi and Twin Falls – Elevation & Flow

PDF

Black River – Flow

PDF

Iroquois Falls – Elevation & Flow

PDF

Island Falls – Elevation & Flow

PDF

Seine River

Raft Lake – Elevation & Flow

PDF

Calm Lake – Elevation & Flow

PDF

Sturgeon Falls – Elevation & Flow

PDF

Seine River System

Website

Rainy-Namakan Basin

Namakan Lake – Elevation & Flow

PDF

Rainy Lake – Elevation & Flow

PDF

Scheduled Outflow Changes

Water Body Scheduled Date Overflow (m³/s) Elevation Change Posted
(ISO 8601) Previous Upcoming Change Above Dam Below Dam (ISO 8601)
Namakan Lake 2024-11-30 46 32 14 Decrease Decrease 2024-11-30 21:02
Rainy Lake 2024-11-27 180 100 80 Decrease Decrease 2024-11-27 05:11
Rainy Lake 2024-11-26 250 180 70 Steady Decrease 2024-11-26 05:17
Namakan Lake 2024-11-24 81 48 33 Increase Decrease 2024-11-24 21:37
Rainy Lake 2024-11-21 180 250 70 Decrease Increase 2024-11-21 07:05
Raft Lake 2024-11-20 14 26 12 Decrease Increase 2024-11-20 19:29
Namakan Lake 2024-11-16 37 83 46 Decrease Increase 2024-11-16 19:45
Rainy Lake 2024-11-16 100 180 80 Decrease Increase 2024-11-16 10:24
Namakan Lake 2024-11-09 85 37 -48 Increase Decrease 2024-11-09 21:33
Rainy Lake 2024-11-09 160 100 60 Decrease Decrease 2024-11-09 05:33

Lake of the Woods

Lake of the Woods – Elevation & Flow

PDF

Lake of the Woods and Rainy-Namakan Drainage Basin

Website

IJC Fact Sheets and Videos

Understanding Rainy River and Rainy Lake Outflows

Video

International Joint Commission (IJC)

Fact Sheet

Rainy Lake and Namakan Lake are regulated by the International Joint Commission (IJC). Rainy Lake, Namakan Lake, The Seine River together with Lake of the Woods and many other water bodies form the Rainy-Lake of the Woods watershed. For information about how lake levels are controlled, please review these Fact Sheets provided by the IJC.

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