The District is governed by a five-member Board of Directors who are elected to overlapping four year terms in even-numbered years. The District has five separate election divisions, each represented by a director residing in, and elected by the voters of the election division. The Board of Directors are responsible for setting District policy and establishing long-range goals to ensure efficient and effective operations of the WVWD water system.
|Division I||Division II||Division III||Division IV||Division V|
|Assistant Treasurer||President||First Vice President||Director||Second Vice President|
|Jerry Tang||Edwin M. Hilden||Theresa Lee||Vacant||Scarlett P. Kwong|
|Term of Office
|Term of Office
|Term of Office
|Term of Office
|Term of Office
|909-595-7554 Ext#201||909-595-7554 Ext#201||909-595-7554 Ext#201||909-595-7554 Ext#201||909-595-7554 Ext#201|
|Click here to view the Agency Report on Public Official Appointments|
|Click here to view Notice of Vacancy, Election Information and Division Map|
Mr. Jerry Tang, a Walnut resident since 1993, represents Division I on the Board of Directors. He was officially sworn into office on February 15, 2019 and currently serves as the District’s Assistant Treasurer. In addition to his role as President, Director Tang serves a Chair for the District’s Personnel Committee, Public Information Committee and is a member of the Debt Ad Hoc Committee. Furthermore, he serves as an Executive Committee Member of the Spadra Basin GSA Executive Committee and a Representative of the Puente Basin Water Agency.
Mr. Tang is an Environmental Scientist in the Technical Services Department of the Sanitation Districts of Los Angeles County (Sanitation Districts). His primary responsibilities include assessing and reporting on sediment condition, tissue bioaccumulation, and seafood safety monitoring results from the Palos Verdes Shelf (PVS). Mr. Tang is also the project lead for sediment coring activities and represents the Sanitation Districts in the USEPA’s PVS Technical Information Exchange Group and the PVS Institutional Controls Program: Fish Contamination Education Collaborative. Additionally, he represents the Sanitation Districts on the State Water Resources Control Board’s Stakeholder Advisory Group for the development of Sediment Quality Objectives. Mr. Tang has also participated in the Southern California Bight Regional Monitoring survey led by the Southern California Coastal Water Research Project (SCCWRP) since 1994 and provides his technical expertise to the State of California Bioaccumulation Oversight Group.
Mr. Tang holds a Bachelor of Science degree in Chemistry from the Chung-Yuan Christian University in Taiwan and a Master of Public Health degree in Environmental Health Science from the University of California, Los Angeles.
Mr. Tang is very active in many community organizations. He is a lifetime member of the Southern California Chinese-American Environmental Protection Association and an active member of the Chinese Institute of Engineers Southern California Chapter. Mr. Tang has attended the Rowland Heights Community Christian Church since 1998 where he has held multiple leadership roles during his time there.
North Diamond Bar
Edwin M. Hilden
Mr. Hilden has been a resident of Diamond Bar since 1966, a Walnut Valley District Board of Director since August 2002, 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 proudly served four terms as WVWD Board President and currently serves as the District’s Second Vice President. In addition to serving as Chair of the District’s Public Information Committee, member of the Finance Committee, and alternate member of the Personnel Committee, Mr. Hilden is an Alternate Commissioner of the Pomona-Walnut-Rowland Joint Water Line Commission, a 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 a 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 Air Force from 1952-1961, as a member of an air crew.
South Diamond Bar
Ms. Theresa Lee, a resident of Diamond Bar, was sworn in as a Walnut Valley Water District Board of Director on January 19, 2016. Ms. Lee served her first term as WVWD Board President in 2020. Currently, she serves as Chair of the District’s Finance Committee, member of Engineering and Special Projects Committee, and member of the District’s Debt Ad Hoc Committee. Director Lee additionally serves as Commissioner of the Puente Basin Water Agency, alternate member of the Spadra Basin GSA Executive Committee, is an ACWA Region 8 Delegate and ACWA/JPIA Property Program Committee member.
Ms. Lee is the current owner of a customer brokerage company and is a member of the Foreign Trade Association and the National Customs 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, and the Guitar Foundation of America.
On a personal note, Ms. Lee is married and has two children.
Rowland Heights and a portion of South Diamond Bar
Effective, Monday, December 19, 2022, Dr. Hayakawa resigned from his position as Board of Director of the Walnut Valley Water District. To view his resignation letter and Notice of Vacancy, click here.
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 is currently serving as Second Vice President. In conjunction with her duties of the Board, she chairs the WVWD Personnel Committee, is alternate member of the Finance Committee. Ms. Kwong represents the District as a Commissioner of the Pomona-Walnut-Rowland Joint Water Line Commission, alternate member of the Puente Basin Water Agency (a Joint Powers Authority of Walnut and Rowland Water Districts), and as the District’s SGV Regional Chamber of Commerce representative.
A Diamond Bar/Walnut resident since 1998, Ms. Kwong is active in many school and community organizations. She served as the President of the Chinese-American Elected Officials (CEO) Association 2017-2019, and has served on the Miss Diamond Bar Scholarship Pageant, Inc., Board of Directors since 2007. In 2017, Ms. Kwong received a CIE-USA Centennial Medal for her service to the Chinese Institute of Engineers – Southern California Chapter where she served as Chapter President 2013-2015.