Historical Society to dedicate marker at Lake Tapps Power House on Saturday

The White River Project Power House. - Brian Beckley/The Courier-Herald
The White River Project Power House.
— image credit: Brian Beckley/The Courier-Herald

The Greater Bonney Lake Historical Society and Cascade Water Alliance are dedicating a historical marker Saturday at the White River/Lake Tapps Power House to honor the power station's importance to the region.

This newest marker is the 11th historic marker for the Greater Bonney Lake Historical Society (GBLHS). The first 10 markers were created in 2009 in collaboration with the City of Bonney Lake.

Funding for this marker was provided by Cascade Water Alliance.

The Power House is the final stop of the White River Project that constructed Lake Tapps in 2011 as a reservoir to power the turbines that provided electricity for the area.

"The goal of the Greater Bonney Lake Historical Society is to promote and preserve the history of the Bonney Lake area. This wouldn't be possible without willing partners like the Cascade Water Alliance, the City of Bonney Lake and Pierce County," Historical Society President Dennis Dhaese said in a press release.

"What we do here today is for our children’s and our community’s tomorrow," said Lloyd Warren, past chair Cascade Water Alliance.

Warren added that the words on the plaque say it all: ‘What was begun over a century ago at Lake Tapps has a new beginning….Cascade’s ownership means a future with sustainable water for people, for fish, for recreation and for generations to come.’

Community member Robyn Sullivan will also be recognized for her rescue of one of the original Lake Tapps Development Company signs, now on the Powerhouse property.

In October, more than 500 local residents attended a community celebration of the White River Project's centennial at the Power House.

For more information about the Greater Bonney Lake Historical Society and the Historic Marker project visit the City of Bonney Lake’s website:

For more information about Cascade Water Alliance visit

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