* Provisional Data: The data reflected above are approximations only. This data is a one-hour lag from actual data and is subject to revision. If data is not collected a zero is plotted here. Avista Corp.'s official data pertaining to Lake Spokane elevation is kept on hydraulic logs. For official data contact Avista Corp. at (509) 495-4283 or (509) 495-4573.
Normal maximum level is elevation 1536.0
* Provisional Data: The data reflected above are approximations only. This data is a one-hour lag from actual data and is subject to revision. If data is not collected a zero is plotted here. Avista Corp.'s official data pertaining to Lake Spokane inflow is kept on hydraulic logs. For official data contact Avista Corp. at (509) 495-4283 or (509) 495-4573.
* Provisional Data:The data reflected above are approximations only. This data is a one-hour lag from actual data and is subject to revision. If data is not collected a zero is plotted here. Avista Corp.'s official data pertaining to Little Falls Discharge is kept on hydraulic logs. For official data contact Avista Corp. at (509) 495-4283 or (509) 495-4573.
Click here to find Lake Roosevelt's elevation at Grand Coulee dam.