Sergio Joseph Calderon
Incumbent
Water Replenishment District of Southern California, Member, Board of Directors, Division 4
AI wrote this from the sources listed below. A second AI checked each sentence against its source, and software checked the links and dates. A person didn’t review it, so every sentence links to its source for you to check. Updated Thursday, October 15, 2026.
Overview
Sergio Joseph Calderon is the Division 4 director on the Water Replenishment District of Southern California board, elected in 2006.1 He works as a teacher and adviser for the Los Angeles Unified School District's adult education division.2 He says he previously served as a mayor, councilmember, and city clerk.3 He supports the district's Water Independence Now program, which seeks independence from imported water for basin recharge.4
Campaign money
- Reporting period
- July 1 to September 19, 2026
- Raised
- $35,594Of this, $30,000 came from the candidate.
- Cash on hand
- $40,248
| Source | Amount | Share of money raised |
|---|---|---|
| Small gifts (under $100) | $261 | 1% |
| Gifts from people ($100 or more) | $2,583 | 7% |
| PACs and other committees | $250 | 1% |
| The candidate | $30,000 | 84% |
| Businesses and other groups | $2,500 | 7% |
Large contributions reported since September 19, 2026: $14,500 in 5 gifts. Of this, $10,000 came from the candidate. See the large contribution reports.
Endorsements
Sources
- Board Profiles - Water Replenishment District, Water Replenishment District. Viewed Wednesday, October 14, 2026.
- Director Sergio Calderon - Water Replenishment District, Water Replenishment District. Viewed Wednesday, October 14, 2026.
- About me - CALDERON FOR CLEAN WATER, Calderon for Clean Water. Viewed Wednesday, October 14, 2026.
- Calderon seeks re-election to water replenishment board | Santa Monica Wave, Santa Monica Wave. Viewed Wednesday, October 14, 2026.
- Calderon Clean Water Endorsements, Calderon 4 Clean Water (Sergio Calderon for Water Board Director). Viewed Wednesday, October 14, 2026.