What kind of information are you looking for?

Most links below provide basic, near-real-time reservoir level data, every two hours for the past 50 hours.

Links to data at, however, offer customized data options that include historical (search by date) and precipitation and temperature data.

For table-formatted near real-time data from our reservoir systems including precipitation, air temperature, lake levels, stream levels/flows and snow water equivalents, see our regional hydrometeorologic data page.

The Columbia Basin Trust website also includes some helpful links and basic information on the network of 18 dams and reservoirs that manage and coordinate flows in the Columbia River system.

You can also subscribe to BC Hydro email updates on reservoir level forecasts for either the Lower Columbia or Upper Columbia.