Board of Directors

The District is governed by a five-member Board of Directors who are elected to overlapping four year terms in odd-numbered years. The District has five separate election divisions, each represented by a director residing in, and elected by the voters of, the division. The Board of Directors is responsible for setting District policy and establishing long-range goals and direction for the District to ensure that its operations continue to run efficiently and effectively, both today and in the decades to come.

Current Board

Division I Division II Division III Division IV Division V

ebenkamp DirKwong2
First Vice President
 Assistant Treasurer  Second Vice President Director
Allen L. Wu Edwin M. Hilden Theresa Lee  Theodore L. Ebenkamp Scarlett P. Kwong
Term of Office
Term of Office
Term of Office 2016-2017 Term of Office
Term of Office
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909-595-1268 Ext#303

909-595-1268  Ext#201


909-595-1268 Ext#201 


909-595-1268 Ext#201

909-595-1268 Ext#304

[Year First Elected/Appointed to the Board of Directors - Year Current Term Expires]
Click here to view Election Division Map

Division I

Walnut and a portion of West Covina
Allen L. Wu

Dr. Wu has been a Walnut resident since 1989. He earned his Ph.D. degree in Civil Engineering, Master of Science degree in Environmental Engineering and Master of Public Administration degree from the University of Southern California. While he was a Ph.D. candidate, he served as the field research engineer with the Foundation for Cross-Connection Control and Hydraulics. In that capacity, he was responsible for more than four hundred groundwater wells in Los Angeles County to assess water supply and conservation.

Dr. Wu is a registered Civil Engineer and is a project manager for a State agency. He has managed and delivered multi-million dollars projects within schedule, scope and cost. Dr. Wu serves as the 2017 Board President, Chair of the District's Finance Committee,  Chair of the Public Information/Legislative Action Committee, and an alternate member of the Engineering Committee. He also serves as a Board Member of the Association of California Water Agencies Joint Powers Insurance Authority (ACWA/JPIA). Prior to serving the District, Dr. Wu served as a Commissioner and Vice Chair of the City of Walnut’s Parks & Recreation Commission. While serving as a Commissioner, his strong focus was balancing the needs between preservation of the community versus development. He is a strong advocate for equestrian trails and maintenance of open space. 

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Division II

North Diamond Bar
Edwin M. Hilden

Mr. Hilden has been a resident of Diamond Bar since 1966 and is a Certified Financial Planner. He obtained his Certified Financial Planning® (CFP) and Accredited Asset Management Specialist (AAMS) designations from the College for Financial Planning in Denver, CO. Mr. Hilden has served three terms as WVWD Board President and has also serves as Commissioner of the Pomona-Walnut-Rowland Joint Water Line Commission. Currently, Mr. Hilden serves as First Vice President, and a member to the District’s Public Information/Legislative Action Committee and Chair of the Personnel Committee.  He is also the representative to the Three Valley's Municipal Water District, an alternate board member of the Association of California Water Agencies Joint Powers Insurance Authority (ACWA/JPIA), and the District's ACWA voting delegate.

Mr. Hilden has completed extensive education and training through the California Special Districts Governance Academy in the areas of Governance Foundations, Setting Direction and Community Leadership, The Board's Role in Finance and Fiscal Accountability, and The Board's Role in Human Resources. As a long-time Diamond Bar resident, he has served the local community through his active involvement in a number of community service activities and organizations for many years. The successful "Shop Diamond Bar" slogan and program was launched during his Presidency on the Diamond Bar Chamber of Commerce in 1989.  Mr. Hilden served in the United States Airforce from 1952-1961, as a member of an air crew.

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Division III

South Diamond Bar
Theresa Lee

Ms. Theresa Lee, a resident of Diamond Bar, is the most recent member of the Walnut Valley Water District Board of Directors, having been sworn in at the District’s January 19, 2016 Board meeting. As the Assistant Treasurer, Ms. Lee now also serves as a member of the District’s Finance Committee and the Engineering and Special Projects Committee.  Director Lee also served as the District's  ACWA Region 8 Delegate.

Ms. Lee is the current owner of a customer brokerage company and is a member of the Foreign Trade Association and the National Customers Brokers & Forwarders Association of America. She holds a Bachelors’ Degree in Biology from the University of Southern California.

Ms. Lee has been and remains very active in many community service organizations. Just some of the associations in which Ms. Lee volunteers her time include the United Abacus Arithmetic Association, the Chinese Institute of Engineers at Southern California, the Diamond Bar Chinese American Association, Diamond Bar Friends of the Library, and the Guitar Foundation of America.

On a personal note, Ms. Lee is married and has two children.   Back to top...

Division IV

Rowland Heights and a portion of South Diamond Bar
Theodore L. Ebenkamp

Dr. Ebenkamp has been a resident of the Rowland Heights/Diamond Bar area since 1970. He holds Master of Science and Doctor of Pharmacy degrees from the University of Southern California and retired from the Los Angeles County/University of Southern California Medical Center in 1996 after a 27-year career during which he served as an Assistant Clinical Professor of Pharmacy and in various professional and managerial positions, including: Acting Director of Clinical Pharmacy Services, Senior Pharmacist, and Nuclear Pharmacist.

Dr. Ebenkamp represents the residents of Division IV of the Walnut Valley Water District. As a Board member, he served as the 2015 Board President and currently serves as Second Vice President, Chair of the District's Engineering Committee and alternate member of both the Personnel and Public Information/Legislative Action Committees. Additionally, he is a Commissioner and Chair of the Puente Basin Water Agency, a Joint Powers Authority of the Walnut and Rowland Water Districts, and is the District’s representative on the Government Affairs Committee of the San Gabriel Valley Regional Chamber of Commerce.  In conjunction with those duties, Director Ebenkamp is the WVWD's Alternate Representative to the Three Valley's Water District and Alternate ACWA Voting Delegate.

Dr. Ebenkamp is a board member and past president of the Rowland Heights Community Coordinating Council, serves on the Citizens Oversight Committee of Mt. San Antonio College, and is a commissioner on the Los Angeles County Water Appeals Board.

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Division V

Portions of Diamond Bar, West Covina, Pomona, and Industry
Scarlett P. Kwong

Ms. Kwong holds a Bachelor of Science degree in Math/Computer Science from the University of California at Los Angeles. She was formerly a Project Engineer/Planning and Budget Manager in aerospace companies developing software systems for NASA Satellite Systems, and later, for Commercial Airline's In-Flight Entertainment Systems.

Ms. Kwong was elected to the WVWD Board of Directors in 2007, and served as Board President in 2011 and 2016. She currently serves as a member of the Personnel Committee, and an alternate member to the Finance Committee.  Additionally, she is a Commissioner and Chair of the Pomona-Walnut-Rowland Joint Water Line Commission, and an alternate of the Puente Basin Water Agency, a Joint Powers Authority of Walnut and Rowland Water Districts.  

A Diamond Bar/Walnut resident since 1998, Ms. Kwong is active in many school and community organizations.  Currently she is the President of the Chinese-American Elected Officials (CEO) Association 2017-2018, and has served on the Miss Diamond Bar Scholarship Pageant, Inc., Board of Directors since 2007.  Ms. Kwong received a CIE-USA Centennial Medal in 2017 for her service to the Chinese Institute of Engineers - Southern California Chapter (President 2013-2015).



271 S. Brea Canyon Road
Walnut, California 91789
(909) 595-1268    
(626) 964-6551
Monday-Thursday 7am-5pm
Friday 7am - 4pm



The next WVWD Board Workshop will be held on December 12th
at 4:00 p.m.

Stage 1 Mandatory
Water Conservation Measures