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 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 |
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| Second Vice President | Assistant Treasurer | President | Director | First Vice President |
| Jerry Tang | Edwin M. Hilden | Theresa Lee | Alfred Sinclare | Scarlett P. Kwong |
| Term of Office 2019-2020 |
Term of Office 2002-2022 |
Term of Office 2016-2022 | Term of Office 2020-2020 | Term of Office 2007-2020 |
| 909-595-1268 Ext#201 | 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
Jerry Tang
Mr. Jerry Tang, a Walnut resident since 1993, is the most recent member of the Walnut Valley Water District Board of Directors, having been officially sworn in to office on February 15, 2019. Mr. Tang represents Division I on the Board of Directors. He currently serves as the District’s Assistant Treasurer. Additionally, he is a member of the District’s Finance Committee and Public Information Committee, and an Executive Committee Alternate Member of the Spadra Basin Executive Committee.
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 and has held multiple leadership roles during his time there.
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 four terms as WVWD Board President and has also serves as Commissioner of the Pomona-Walnut-Rowland Joint Water Line Commission. Currently, Mr. Hilden Chairs both the District’s Public Information/Community Relations/Legislative Action Committee and 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 Air Force from 1952-1961, as a member of an air crew.
Division III
South Diamond Bar
Theresa Lee
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 is currently serving her first term as WVWD Board President. In conjunction with her duties as Board President, she serves as Chair of the District’s Engineering and Special Projects Committee and is a member of the District’s Public Information/Community Relations/Legislative Action Committee. Director Lee additionally serves as Commissioner and Chair of the Puente Basin Water Agency and is 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 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.
Division IV
Rowland Heights
Alfred Sinclare
Mr. Alfred Sinclare, a resident of Rowland Heights, was appointed to the Walnut Valley Water District Board of Directors on July 7, 2020. Currently retired, Mr. Sinclare dedicated his career to public service with the United States Postal Service (USPS). There he held varied positions in the Accounting, Finance, and Engineering departments. Prior to his service with the USPS, Mr. Sinclare worked as an Accountant. He was also employed as a Substitute Teacher with the Rowland Unified School District. Mr. Sinclare graduated from Pioneer High School and earned an Associate of Arts Degree from Rio Hondo College in Whittier, CA. Lastly, Mr. Sinclare received a Bachelor of Arts Degree from California State University, Fullerton.
Before moving to Rowland Heights, Mr. Sinclare was raised in Whittier and born in Los Angeles – a lifelong Southern Californian. As a sports enthusiast and active community member, Mr. Sinclare continued his dedication to public service as a Rowland Heights Boys’ football referee, Girls’ basketball referee, and an umpire for Girls’ softball. Mr. Sinclare currently serves as a Board Member of the La Habra Christian Church. He has helped organize the Benevolence Ministry providing food to needy families throughout the community of Rowland Heights and La Habra. Mr. Sinclare also served on a Work and Witness team to Zimbabwe.
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 the District’s First Vice President on the Board of Directors, chairs the WVWD Finance Committee, and is member to the Personnel Committee. Ms. Kwong represents the District as a Commissioner of the Pomona-Walnut-Rowland Joint Water Line Commission, and as an alternate member 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. 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.