Scott Dewhirst photo

Scott Dewhirst
Superintendent
Scott was named superintendent and COO of Tacoma Water in 2017. Scott’s experience includes 17 years at Newport News Waterworks including roles as the assistant director and the interim director. He holds degrees in both civil and environmental engineering and was the chair of the Virginia Section of the American Water Works Association in 2016. 


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Heather Pennington
Deputy water superintendent, Asset and Information Management manager
Heather joined Tacoma Water in 1994 and served as an engineer in Water Quality and Distribution Engineering. She later managed the Distribution Engineering section and in 2011  was named deputy water superintendent. Heather is a licensed civil engineer, holds an MBA from Pacific Lutheran University and a B.S. in environmental engineering from Northwestern University.

Heather's professional affiliations include the Washington Water Utility Council, Partnership for Water Conservation and the American Water Works Association.


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Chris McMeen
Deputy water superintendent, Water Quality manager

Chris joined Tacoma Water in 2002 as a water quality engineer and became Water Quality manager in 2004. Chris was named deputy water superintendent in 2011, while continuing to manage the Water Quality section. Chris holds an M.S. and B.S. in civil engineering from the University of Washington. He has worked as an engineering consultant, a drinking water regulatory engineer and served in the U.S. Peace Corp as a water engineer in Kenya and the Dominican Republic.

Chris' professional affiliations include the American Water Works Association and the International Ozone Association.


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Glen George
Water Supply manager

Glen became the utility's Water Supply manager in 2010. He served six years in the Navy as an engineering laboratory technician in the nuclear engine room of a Trident submarine. Glen holds a B.S. in civil engineering from the University of Washington and received his Professional Engineer's license in 1996. Glen came to Tacoma Water in 1992 and worked for years designing and supervising our capital construction projects.


Shawn Scenescall

Sean Senescall
Rates & Financial Planning manager
Sean joined Tacoma Water in 2010 as the Rates & Financial Planning assistant division manager. He became the Rates & Financial Planning manager in 2013. Sean has seven years of experience in government finance and rate development, having worked for the financial consulting firm FCS Group before coming to Tacoma Water. He studied economics at the U.S. Air Force Academy and has a B.S. in economics from the University of Washington.


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Tony Lindgren
Distribution Engineering manager
Tony graduated from Washington State University in 2002 with a B.S. in civil engineering and joined the Tacoma Water team shortly after. A licensed professional engineer, Tony has worked in Water's Distribution Engineering, Distribution Operations and Asset Management sections before taking the lead as Distribution Engineering manager in 2010.