California AB2619: Water resources: data centers.

What the bill says

An act to add Sections 16000.4 and 16100.4 to the Business and Professions Code, and to amend Section 10632 of the Water Code, relating to water. water Water resources: data centers. (1) Existing law authorizes the legislative body of an incorporated city and the county board of supervisors to license businesses carried on within their respective jurisdictions and to set license fees, as specified…

From the chaptered text, September 21, 2026:

An act to add Sections 16000.4 and 16100.4 to the Business and Professions Code, and to amend Section 10632 of the Water Code, relating to water. water Water resources: data centers. (1) Existing law authorizes the legislative body of an incorporated city and the county board of supervisors to license businesses carried on within their respective jurisdictions and to set license fees, as specified. This bill would require a person who owns or operates a data center, prior to applying to a city or a county for an initial business license, equivalent instrument, or permit, to provide its water supplier, under penalty of perjury, a good faith estimate of the expected water use, the anticipated source of water, and the data center’s projected water use volume for the maximum day, maximum month, and average year. When applying to a city or county for an initial business license, the bill would require a person who owns or operates a data center to report, under penalty of perjury, on the application, a good faith estimate of the expected water use, the anticipated source of water, and the data center’s projected water use volume for the maximum day, maximum month, and average year. When applying to a city or county for a renewal of a business license, equivalent instrument, or permit, the bill …

Read the full official text

Sponsors

• Diane Papan (D, AD21) · primary sponsor

Latest actions

1. September 21, 2026: Chaptered by Secretary of State - Chapter 437, Statutes of 2026.
2. September 21, 2026: Approved by the Governor.
3. September 4, 2026: Enrolled and presented to the Governor at 4 p.m.
4. August 27, 2026: Senate amendments concurred in. To Engrossing and Enrolling. (Ayes 63. Noes 7. Page 6692.).
5. August 27, 2026: In Assembly. Concurrence in Senate amendments pending.
6. August 26, 2026: Read third time. Passed. Ordered to the Assembly. (Ayes 29. Noes 9.).
7. August 24, 2026: Read second time. Ordered to third reading.
8. August 21, 2026: Read third time and amended. Ordered to second reading.
9. August 13, 2026: Read second time. Ordered to third reading.
10. August 13, 2026: From committee: Do pass. (Ayes 5. Noes 2.) (August 13).

Votes

• AB 2619 Papan Concurrence in Senate Amendments (August 27, 2026): 63 yea, 7 nay, passed
• Assembly 3rd Reading AB2619 Papan By Padilla (August 26, 2026): 30 yea, 9 nay, passed
• Do pass (August 13, 2026): 5 yea, 2 nay, passed
• Placed on suspense file (August 10, 2026): 6 yea, 0 nay, passed
• Do pass as amended, but first amend, and re-refer to the Committee on [Appropriations] (July 1, 2026): 5 yea, 1 nay, passed
• Do pass, but first be re-referred to the Committee on [Local Government] (June 23, 2026): 5 yea, 2 nay, passed

Common questions

What is AB2619?

AB2619 is a bill in the California Legislature (2025-2026 Regular Session): Water resources: data centers.

What does AB2619 do?

In its own words: An act to add Sections 16000.4 and 16100.4 to the Business and Professions Code, and to amend Section 10632 of the Water Code, relating to water. water Water resources: data centers. (1) Existing law authorizes the legislative body of an incorporated city and the county board of supervisors to license businesses carried on within their respective jurisdictions and to set license fees, as specified…

What is the status of AB2619?

Chaptered as of September 21, 2026. Latest action: Chaptered by Secretary of State - Chapter 437, Statutes of 2026. (September 21, 2026).

Who sponsored AB2619?

Diane Papan (D, AD21).

Where is the official record for AB2619?

On the California Legislature website: https://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=202520260AB2619