Theresa Lee, the incumbent on the Walnut Valley Water District Board of Directors for Division 3, seeks re-election in the Nov. 3, 2026, California general election. She faces one challenger, Kenny Shu. The race is nonpartisan.
Lee, a Diamond Bar resident, has served on the board since January 2016, according to the district's website. Her current term runs from November 2022 through December 2026. She holds the title of assistant treasurer on the board and chairs its finance committee.
Lee earned a bachelor's degree in biology from the University of Southern California. She owns a brokerage company, according to the district's website, and holds memberships in the Foreign Trade Association and the National Customs Brokers & Forwarders Association of America.
Candidate information
- Residence: Diamond Bar, California
- Education: Bachelor's degree in biology, University of Southern California
- Occupation: Owner of a brokerage company
- Professional memberships: Foreign Trade Association; National Customs Brokers & Forwarders Association of America
- Community involvement: United Abacus Arithmetic Association; Chinese Institute of Engineers at Southern California; Diamond Bar Chinese American Association; Guitar Foundation of America
Experience and public service
Lee has held several roles in regional water governance beyond her Division 3 board seat. She serves as a Region 8 delegate at the Association of California Water Agencies and as a property program committee member at the association's Joint Powers Insurance Authority, according to the district's website.
She also serves as a commissioner at the Puente Basin Water Agency and as an alternate member of the executive committee at the Spadra Basin Groundwater Sustainability Agency.
Outside government, Lee volunteers with 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, according to the district's website.
On the issues
Lee outlined three priorities on her campaign website:
Water infrastructure: Lee said she wants to modernize aging infrastructure and prevent costly failures at the district.
Water quality and drought preparedness: Lee said she aims to protect water quality and prepare for drought and changing water supplies.
Water rates and fiscal planning: Lee said she wants to keep rates affordable through responsible long-term planning.
Her campaign website did not include specific dollar figures, timelines or detailed implementation plans for these priorities.
Candidate policy positions are drawn from Lee's campaign website. The Platinum Tribune did not interview the candidate for this profile.
