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California · 2025–26 Regular Session · Senate Bill

SB 466: Drinking water: primary standard for hexavalent chromium: exemption.

Enacted Official data

  1. Introduced
  2. In committee
  3. Passed one chamber
  4. Passed both chambers
  5. Enacted

Last official action: ·Record last updated:

Plain-language summary

SB 466 is a senate bill introduced in the California Senate on February 19, 2025. According to its official title, it concerns: Drinking water: primary standard for hexavalent chromium: exemption. Primary sponsor: Anna Caballero (D). It lists 2 additional sponsors. Most recent recorded action (October 3, 2025): Chaptered by Secretary of State. Chapter 320, Statutes of 2025.

Generated automatically from the official title, sponsor list, and status record only. It does not characterize the bill’s purpose or effects. How summaries are written

Official summary

Legislative Counsel’s Digest (official, as of the latest version). Written by nonpartisan legislative staff; reproduced verbatim.

The California Safe Drinking Water Act provides for the operation of public water systems and imposes on the State Water Resources Control Board various duties and responsibilities for the regulation and control of drinking water in the State of California. The act requires the state board to adopt primary drinking water standards for contaminants in drinking water based upon specified criteria, and requires a primary drinking water standard to be established for hexavalent chromium. Existing law authorizes the state board to grant a variance from primary drinking water standards to a public water system.

This bill would prohibit a public water system that meets the total chromium maximum contaminant level (MCL) enforceable standard for drinking water in California from being determined, held, considered, or otherwise deemed in violation of the primary drinking water standard for hexavalent chromium while implementing a state board approved compliance plan or while state board action on the proposed and submitted compliance plan is pending, except as provided.

Sponsors

Sponsors by party (alphabetical): Democratic 2 · Republican 1

NameRolePartyChamberDistrict
Anna CaballeroPrimary sponsorDemocraticSenate14
Alexandra MacedoCo-sponsorRepublicanAssembly33
Esmeralda SoriaCo-sponsorDemocraticAssembly27

“Support” is shown only as formal sponsorship recorded by the legislature. Roll-call votes are available on the official bill page.

Recent official actions

  1. Chaptered by Secretary of State. Chapter 320, Statutes of 2025.
  2. Approved by the Governor.
  3. Enrolled and presented to the Governor at 2 p.m.
  4. Assembly amendments concurred in. (Ayes 40. Noes 0. Page 2928.) Ordered to engrossing and enrolling.
  5. Ordered to special consent calendar.
  6. In Senate. Concurrence in Assembly amendments pending.
  7. Read third time. Passed. (Ayes 77. Noes 0. Page 2817.) Ordered to the Senate.
  8. Ordered to third reading.
  9. Read third time and amended.
  10. Read second time. Ordered to third reading.
  11. From committee: Do pass. (Ayes 15. Noes 0.) (August 20).
  12. Read second time and amended. Re-referred to Com. on APPR.

Sources

  1. California Legislative Information — pubinfo database export
  2. Official bill page