King County Water District #90
15606 SE 128th Street
Renton, WA 98059
425-255-9600 Office
Contact via E-mail
Open 8:00am - 4:30pm Monday - Friday

Board of Directors

Al Materi - Commissioner Position No. 1
Al Materi
Commissioner Position No. 1

Al Materi

Al Materi joined KCWD90 as its newest Commissioner on March 16, 2021. A lifelong resident of Washington, Al has been a District customer for over 18 years. He graduated in 1981 with a BA in business from Western Washington University, and in 1984 he received an MBA from the University of Puget Sound. In February of 2020, Al retired from Boeing as a financial analyst after 30 years of employment. Prior to Boeing, Al was employed with King County Blue Shield as an accountant, where he worked for six years. He has vast experience in business and accounting, with a heavy focus on capital management, cost management, budget development, long-term planning, and facilities management. Al is excited to be part of KCWD90’s team. His goal is to maintain the District’s infrastructure and to continue providing clean water at affordable rates. When Al isn’t working, he enjoys being outdoors: camping, hiking, hunting, and dirt biking. He and his wife Chris have three daughters and two grandchildren, with one on the way. 

Al may be contacted directly via email:

Pete Eberle - Commissioner Position No. 2
Pete Eberle
Commissioner Position No. 2

Pete Eberle

Pete has been a resident of May Valley and Briarwood for 63 years and has been a customer of Water District No. 90 for 44 years. He retired from the State of Alaska Marine Highway System after 31 years of service. There, he worked as Chief Engineer on the ferries transporting passengers and vehicles between Washington and all communities that the system served in Alaska. He has been active in the local community, working with the Four Creeks Unincorporated Area Council since his retirement. Pete is also active in Westport, Washington, where he volunteers at the Grays Harbor Lighthouse and Westport Maritime Museum. Pete is new to the King County Water District No. 90 Board of Commissioners as of January 2020. His term ends in December of 2025.  

Pete may be contacted directly via email: 


Sam Amira - Commissioner Position No. 3
Sam Amira
Commissioner Position No. 3

Sam Amira

Sam was affirmed at the July 23, 2008, meeting of the District’s Board of Commissioners. He has lived in the District for over 35 years. He worked for the Boeing Company from 1974 as a Property Accountant Specialist and retired in December 2017. In addition, he served in the Navy during Vietnam conflict for six years, later transferring to the Army Reserves, where he achieved the rank of E8, Master Sergeant, after 37 years of service. Sam served as an active member of the National Property Management Association, Northwest Chapter, from 1991 to 2015, holding offices from Treasurer to President. In addition, he is currently servicing as a Director Board member and Treasurer of the Washington Association of Water & Sewer Districts (WASWD). His experience with asset management, cost accounting, and capital budget tracking related to new capital projects and improvements to existing facilities has been very helpful to the District. 

Sam may be contacted directly via email:


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