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BC Hydro: Arrow Flow Change Notification

Hugh Keenleyside navigational lock

BC Hydro would like to notify the public that the discharge rates from Arrow Lakes Reservoir will increase noticeably on Saturday, November 27 and Sunday, November 28.

  • At 7 a.m. on Saturday, November 27, flows will increase from 292 cubic metres per second (m3/s) to 425 m3/s.
  • At 8 a.m. on Saturday, November 27, flows will increase from 425 m3/s to 566 m3/s.
  • At 9 a.m. on Saturday, November 27, flows will increase from 566 m3/s to 708 m3/s.
  • At 7 a.m. on Sunday, November 28, flows will increase from 708 m3/s to 850 m3/s.
  • At 8 a.m. on Sunday, November 28, flows will increase from 850 m3/s to 963 m3/s.

When combined with the outflows from the Kootenay River, Columbia River levels at Birchbank are expected to increase by 1.4 metres (4.6 feet) over two days.  Please make safety your top priority when planning activities near the Columbia River.

For up-to-date reservoir elevation and river flow information, please call BC Hydro’s toll-free number at 1 877 924 2444 or visit bchydro.com.