republic-os/legislation/us/states/ca/20252026/ab-639.md

type, title, description, jurisdiction, legislature, session, identifier, citation, classification, subjects, status, primary_sponsors, version_count, action_count, vote_count, first_action, last_action, source, source_identifier, source_url, source_hash, vintage, source_snapshot, retrieved_at, confidence, tags

type	title	description	jurisdiction	legislature	session	identifier	citation	classification	subjects	status	primary_sponsors	version_count	action_count	vote_count	first_action	last_action	source	source_identifier	source_url	source_hash	vintage	source_snapshot	retrieved_at	confidence	tags
Bill	Dams: exceptions.	Existing law defines a dam to mean any artificial barrier, together with appurtenant works, that does or may impound or divert water, and meets other specified criteria. Existing law excludes from the definition a barrier that is or will be not in excess of 6 feet in height, regardless of storage capacity, or that has or will have a storage capacity not in excess of 15 acre-feet, regardless of height. Existing law requires the Department of Water Resources to supervise the construction, enlargement, alteration, repair, maintenance, operation, and removal of dams and reservoirs for the protection of life and property.	us/states/ca	California Legislature	20252026	AB 639	California AB 639 (20252026)	bill	Dams exceptions	enacted	Soria	6	21	6	2025-02-13	2025-10-11	openstates	ocd-bill/ec6064b3-efb5-4878-8a01-6a11c0bbfcd0	http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=202520260AB639	fb65d06dba6058f8f1164cb69fa5af938c5199c366cd16d73b2788f3345da1d5	2026-07-01	https://data.openstates.org/daily/2026-07-01/public.pgdump	2026-07-06	reported	legislation bill us-ca

California AB 639 (20252026) — Dams: exceptions.

Existing law defines a dam to mean any artificial barrier, together with appurtenant works, that does or may impound or divert water, and meets other specified criteria. Existing law excludes from the definition a barrier that is or will be not in excess of 6 feet in height, regardless of storage capacity, or that has or will have a storage capacity not in excess of 15 acre-feet, regardless of height. Existing law requires the Department of Water Resources to supervise the construction, enlargement, alteration, repair, maintenance, operation, and removal of dams and reservoirs for the protection of life and property.

Version chain

The bill's text revisions, in order — the diff chain from filing to enrollment.

1. 02/13/25 - Introduced (filed) — source
2. 03/28/25 - Amended Assembly (committee substitute) — source
3. 06/11/25 - Amended Senate (committee substitute) — source
4. 10/11/25 - Chaptered (committee substitute) — source
5. AB639 (committee substitute) — source
6. 09/08/25 - Enrolled (enrolled) — source

Votes

• AB 639 Soria Assembly Third Reading — 73–0 (pass) · lower
• Do pass as amended and be re-referred to the Committee on [Appropriations] — 13–0 (pass) · lower
• Do pass. — 14–0 (pass) · lower
• AB 639 Soria Concurrence in Senate Amendments — 78–0 (pass) · lower
• Do pass as amended, but first amend, and re-refer to the Committee on [Appropriations] — 7–0 (pass) · upper
• 3rd Reading AB639 Soria By Caballero — 38–1 (pass) · upper

Sponsors

• Soria — primary (person)

Timeline

The legislative action history — every referral, reading, and vote.

• 2025-02-13 Read first time. To print. reading-1
• 2025-02-14 From printer. May be heard in committee March 16.
• 2025-02-24 Referred to Com. on W. P., & W. referral-committee
• 2025-03-27 From committee: Amend, and do pass as amended and re-refer to Com. on APPR. (Ayes 13. Noes 0.) (March 25). amendment-introduction, amendment-passage, committee-passage, referral-committee
• 2025-03-28 Read second time and amended. amendment-passage, reading-1, reading-2
• 2025-04-01 Re-referred to Com. on APPR. referral-committee
• 2025-04-09 From committee: Do pass. (Ayes 14. Noes 0.) (April 9). committee-passage, committee-passage-favorable
• 2025-04-10 Read second time. Ordered to third reading. reading-1, reading-2
• 2025-04-21 Read third time. Passed. Ordered to the Senate. (Ayes 73. Noes 0. Page 1175.) passage, reading-1, reading-3
• 2025-04-21 In Senate. Read first time. To Com. on RLS. for assignment. reading-1
• 2025-05-07 Referred to Com. on N.R. & W. referral-committee
• 2025-06-10 From committee: Amend, and do pass as amended and re-refer to Com. on APPR. (Ayes 7. Noes 0.) (June 10). amendment-introduction, amendment-passage, committee-passage, referral-committee
• 2025-06-11 Read second time and amended. Re-referred to Com. on APPR. amendment-passage, reading-1, reading-2, referral-committee
• 2025-06-23 From committee: Be ordered to second reading pursuant to Senate Rule 28.8. committee-passage, reading-2
• 2025-06-24 Read second time. Ordered to third reading. reading-1, reading-2
• 2025-09-03 Read third time. Passed. Ordered to the Assembly. (Ayes 38. Noes 1. Page 2427.). passage, reading-1, reading-3
• 2025-09-03 In Assembly. Concurrence in Senate amendments pending.
• 2025-09-04 Senate amendments concurred in. To Engrossing and Enrolling. (Ayes 78. Noes 0. Page 2918.). amendment-passage, committee-passage-favorable
• 2025-09-11 Enrolled and presented to the Governor at 4 p.m.
• 2025-10-11 Approved by the Governor. executive-signature
• 2025-10-11 Chaptered by Secretary of State - Chapter 617, Statutes of 2025. became-law

Source

OpenStates / OpenCivicData bulk snapshot 2026-07-01; origin ocd-bill/ec6064b3-efb5-4878-8a01-6a11c0bbfcd0. Confidence: reported (aggregated from official California legislature records).