Sergio Joseph Calderon, the incumbent on the Southern California Water Replenishment District Board of Directors for Division 4, is seeking reelection in the Nov. 3, 2026 general election. The nonpartisan race also includes candidates Jorgel Chavez and Samuel A. Peña.
The Water Replenishment District manages groundwater supplies in southern Los Angeles County. Board members set policy on groundwater replenishment, water recycling and quality protection.
Candidate information
- Office sought: Southern California Water Replenishment Board, Division 4
- Party: Nonpartisan
- Ballot status: Certified for the ballot
- Ballot designation: Director, Water Replenishment District of So. Calif., according to BallotPages
- Education: Designated Subject Teacher Credential coursework, University of San Diego; East Los Angeles College and Cerritos College; California State University, Long Beach
- Professional background: Licensed practical nurse and proprietor and operator of CPR Angeles, according to his campaign website
Experience and public service
Calderon has served on the Water Replenishment District board since 2007, according to BallotReady. He is the incumbent. He is a member of the California Council for Adult Education and the Huntington Park/Bell Adult Leadership Advisory Board, according to the district's website.
Calderon says he has served as mayor, councilmember, city clerk and director over the course of his public service career, according to his campaign website. He served on the Maywood City Council and resigned from that position on Dec. 13, 2017, as part of a settlement with the Los Angeles County District Attorney's office, according to a DA office document.
He has worked as a career and technical education pathway adviser at the Los Angeles Unified School District since 2012, according to BallotReady. Calderon says he also worked as a teacher and teacher adviser at LAUSD's Division of Adult and Career Education starting in 2004, according to his campaign website.
On the issues
Water independence: Calderon supports the district's Water Independence Now program, known as WIN. He says the region can grow independent from imported water for basin recharge through "sound stewardship and innovative measures," according to the district's website.
No additional policy positions were available from the sources reviewed for this profile.
Candidate information was gathered from the candidate's campaign website, the Water Replenishment District's website, BallotReady and Los Angeles County District Attorney records. Voters can learn more at calderon4cleanwater.org.
