Wrangell Sentinel -

Tyee Lake 60' above year-ago water levels


October 10, 2019

Graph courteous of the Southeast Alaska Power Agency

The dark red line shows the Tyee Lake water levels for 2019. The water level in the lake began moving towards normal lake levels as seen in 2013 through 2017 in late July.

The water level at Tyee Lake was at 1,344.9 feet on Sept. 30, which is roughly 60 feet higher than it was this time last year.

As part of the Southeast Alaska Power Agency, Tyee Lake dedicates its power to Petersburg and Wrangell, while Swan Lake produces power for Ketchikan. While the 1,345 foot water level is lower than the norm for Tyee Lake, it is still higher than the 1,285 foot water level in September 2018, said Petersburg Borough Utility Director Karl Hagerman.

If water were to stop flowing into Tyee Lake and the hydro plant had to produce power with the 1,345 feet of water it has n...

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