republic-os/legislation/us/states/ca/20232024/ajr-12.md

---
type: "Bill"
title: "Tijuana River: cross-border pollution."
description: "This measure would, among other things, urge the United States Congress and President Joseph R. Biden to fully fund the United States Environmental Protection Agency's Comprehensive Infrastructure Solution for the Tijuana River due to the ongoing impacts to public health, the environment, and the local economy caused by cross-border pollution and would urge President Joseph R. Biden to declare a national emergency due to those ongoing impacts."
jurisdiction: "us/states/ca"
legislature: "California Legislature"
session: "20232024"
identifier: "AJR 12"
citation: "California AJR 12 (20232024)"
classification: ["joint resolution"]
subjects: ["Tijuana River", "cross-border pollution"]
status: "enacted"
primary_sponsors: ["Alvarez"]
version_count: 7
action_count: 21
vote_count: 5
first_action: "2024-01-24"
last_action: "2024-09-05"
source: "openstates"
source_identifier: "ocd-bill/58192382-319a-4aca-9eda-111c65661d7f"
source_url: "http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=202320240AJR12"
source_hash: "00e64911603a5c325ae50450247cf3fc20ab2dd674a5407e1778568c15e303e6"
vintage: "2026-07-01"
source_snapshot: "https://data.openstates.org/daily/2026-07-01/public.pgdump"
retrieved_at: "2026-07-06"
confidence: "reported"
tags: ["legislation", "bill", "us-ca"]
---

# California AJR 12 (20232024) — Tijuana River: cross-border pollution.

This measure would, among other things, urge the United States Congress and President Joseph R. Biden to fully fund the United States Environmental Protection Agency's Comprehensive Infrastructure Solution for the Tijuana River due to the ongoing impacts to public health, the environment, and the local economy caused by cross-border pollution and would urge President Joseph R. Biden to declare a national emergency due to those ongoing impacts.

## Version chain

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

1. **01/24/24 - Introduced** (filed) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=202320240AJR12&version=20230AJR1299INT)
2. **02/13/24 - Amended Assembly** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=202320240AJR12&version=20230AJR1298AMD)
3. **02/16/24 - Amended Assembly** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=202320240AJR12&version=20230AJR1297AMD)
4. **05/29/24 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=202320240AJR12&version=20230AJR1296AMD)
5. **09/05/24 - Chaptered** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=202320240AJR12&version=20230AJR1294CHP)
6. **AJR12** (committee substitute) — [source](http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=202320240AJR12)
7. **08/26/24 - Enrolled** (enrolled) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=202320240AJR12&version=20230AJR1295ENR)

## Votes

- Consent Calendar 2nd AJR12 Alvarez et al. — **37–0** (pass) · upper
- AJR 12 Alvarez Assembly Third Reading — **73–0** (pass) · lower
- Be adopted. To third reading. — **7–0** (pass) · lower
- Be adopted and be ordered to the Consent Calendar — **7–0** (pass) · upper
- AJR 12 Alvarez Concurrence in Senate Amendments — **62–0** (pass) · lower

## Sponsors

- Alvarez — primary (person)
- Addis — coauthor (person)
- Aguiar-Curry — coauthor (person)
- Alanis — coauthor (person)
- Arambula — coauthor (person)
- Atkins — author (person)
- Bains — coauthor (person)
- Bauer-Kahan — coauthor (person)
- Bennett — coauthor (person)
- Berman — coauthor (person)
- Blakespear — coauthor (person)
- Blanca Rubio — coauthor (person)
- Boerner — author (person)
- Bonta — coauthor (person)
- Bryan — coauthor (person)
- Calderon — coauthor (person)
- Chen — coauthor (person)
- Connolly — coauthor (person)
- Davies — author (person)
- Dixon — coauthor (person)
- Essayli — coauthor (person)
- Flora — coauthor (person)
- Friedman — coauthor (person)
- Gallagher — coauthor (person)
- Garcia — coauthor (person)
- Gipson — coauthor (person)
- Grayson — coauthor (person)
- Haney — coauthor (person)
- Hart — coauthor (person)
- Holden — coauthor (person)
- Hoover — coauthor (person)
- Irwin — coauthor (person)
- Jackson — coauthor (person)
- Jim Patterson — coauthor (person)
- Joe Patterson — coauthor (person)
- Jones — author (person)
- Jones-Sawyer — coauthor (person)
- Juan Carrillo — coauthor (person)
- Kalra — coauthor (person)
- Lackey — coauthor (person)
- Lee — coauthor (person)
- Low — coauthor (person)
- Lowenthal — coauthor (person)
- Luz Rivas — coauthor (person)
- Maienschein — author (person)
- Mathis — coauthor (person)
- McCarty — coauthor (person)
- McKinnor — coauthor (person)
- Mike Fong — coauthor (person)
- Muratsuchi — coauthor (person)
- Ortega — coauthor (person)
- Pacheco — coauthor (person)
- Padilla — author (person)
- Petrie-Norris — coauthor (person)
- Quirk-Silva — coauthor (person)
- Ramos — coauthor (person)
- Rendon — coauthor (person)
- Reyes — coauthor (person)
- Robert Rivas — coauthor (person)
- Rodriguez — coauthor (person)
- Sanchez — coauthor (person)
- Santiago — coauthor (person)
- Schiavo — coauthor (person)
- Soria — coauthor (person)
- Stephanie Nguyen — coauthor (person)
- Ta — coauthor (person)
- Ting — coauthor (person)
- Valencia — coauthor (person)
- Villapudua — coauthor (person)
- Waldron — coauthor (person)
- Wallis — coauthor (person)
- Ward — author (person)
- Weber — author (person)
- Wendy Carrillo — coauthor (person)
- Wicks — coauthor (person)
- Wilson — coauthor (person)
- Wood — coauthor (person)
- Zbur — coauthor (person)

## Timeline

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

- **2024-01-24** Introduced. To print. `introduction`
- **2024-01-25** From printer.
- **2024-02-05** Referred to Com. on E.S. & T.M. `referral-committee`
- **2024-02-13** From committee chair, with author's amendments: Amend, and re-refer to Com. on E.S. & T.M. Amended. `amendment-introduction`
- **2024-02-14** Re-referred to Com. on E.S. & T.M. `referral-committee`
- **2024-02-16** From committee chair, with author's amendments: Amend, and re-refer to Com. on E.S. & T.M. Amended. `amendment-introduction`
- **2024-02-20** Re-referred to Com. on E.S. & T.M. `referral-committee`
- **2024-02-20** From committee: Be adopted. Ordered to Third Reading. (Ayes 7. Noes 0.) (February 20). `committee-passage, committee-passage-favorable, reading-1`
- **2024-02-29** Coauthors revised.
- **2024-02-29** Adopted and to Senate. (Ayes 73. Noes 0.) `amendment-passage, passage`
- **2024-03-04** In Senate. To Com. on RLS.
- **2024-03-13** Referred to Com. on E.Q. `referral-committee`
- **2024-05-29** From committee chair, with author's amendments: Amend, and re-refer to committee. Read second time, amended, and re-referred to Com. on E.Q. `amendment-introduction, amendment-passage, reading-1, reading-2, referral-committee`
- **2024-06-05** From committee: Be adopted. To Consent Calendar. (Ayes 7. Noes 0.) (June 5). `committee-passage, committee-passage-favorable`
- **2024-06-06** Read second time. Ordered to Consent Calendar. `reading-1, reading-2`
- **2024-06-13** Adopted and to Assembly. (Ayes 37. Noes 0. Page 4489.) `amendment-passage, passage`
- **2024-06-13** In Assembly. Concurrence in Senate amendments pending.
- **2024-08-22** Senate amendments concurred in. To Engrossing and Enrolling. (Ayes 62. Noes 0. Page 6421.). `amendment-passage, committee-passage-favorable`
- **2024-08-27** Enrolled measure version corrected.
- **2024-09-05** Enrolled and filed with the Secretary of State at 11:30 p.m.
- **2024-09-05** Chaptered by Secretary of State - Res. Chapter 201, Statutes of 2024. `became-law`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/58192382-319a-4aca-9eda-111c65661d7f`. Confidence: reported (aggregated from official California legislature records).