Transmission and Reservoir Data

Updated information on reservoirs and rivers

Paddlers, anglers, hikers and many other British Columbians are aware of the myriad recreational opportunities available in the rivers and reservoirs that are part of BC Hydro's generation system.

Use the links below for the latest available data on reservoir levels, planned discharges and other related information.

The earth filled portion of Duncan Dam.

Hydrometric Data

Near real-time data from our reservoir systems including precipitation, air temperature, lake levels, stream levels/flows and snow water equivalents.

John Hart Generating Station aerial shot

Previous Reservoir Elevations

Search by region for data based on automated readings.

water release from dam

Reservoir Discharges

Flow forecasts, based on a variety of factors, at ASH Plant, Comox Dam and Daisy Lake. Actual Flows are also subject to change without public notice.

towers and lake

Transmission Information

Transmission scheduling information includes and transmission system information, including actual flow data, maps, transmission study metrics, balancing authority load data, engineering studies and data.

See also

BC Hydro Recreation areas

Recreation area closures

Recreation area safety

Puntledge River Paddle Festival (Vancouver Island Water Paddling Society)

Last Modified: May 8, 2012