Arrow Reservoir Flow Change

By BC Hydro

July 14th, 2025

BC Hydro would like to notify the public that the discharge rates from Arrow Lakes Reservoir will decrease on Sunday, July 13 and Monday, July 14.  On Tuesday, July 15 and Wednesday, July 16 discharge rates from Arrow Lakes Reservoir will increase.  When combined with the outflows from the Kootenay River, Columbia River levels at Birchbank will decrease on Sunday/Monday by 3.4 feet and Tuesday/Wednesday will increase by 6 feet.  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. If you have any questions or concerns, please contact Susan Edgell at 778-694-9386.

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