---
type: "Bill"
title: "Public water systems."
description: "Public water systems."
jurisdiction: "us/states/ca"
legislature: "California Legislature"
session: "20072008"
identifier: "AB 783"
citation: "California AB 783 (20072008)"
classification: ["bill"]
subjects: ["Public water systems."]
status: "enacted"
primary_sponsors: ["Arambula"]
version_count: 7
action_count: 24
vote_count: 6
first_action: "2007-02-22"
last_action: "2007-10-13"
source: "openstates"
source_identifier: "ocd-bill/9afed4e2-dced-4eb7-99e4-0cc1c4b54830"
source_url: "http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=200720080AB783"
source_hash: "67ae4d7c06ea784d35d67f06484e0906acda4c5c6d89f03bc5348d4b63145ebb"
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 AB 783 (20072008) — Public water systems.

## Version chain

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

1. **02/22/07 - Introduced** (filed) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200720080AB783&version=20070AB78399INT)
2. **04/18/07 - Amended Assembly** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200720080AB783&version=20070AB78398AMD)
3. **06/19/07 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200720080AB783&version=20070AB78397AMD)
4. **08/27/07 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200720080AB783&version=20070AB78396AMD)
5. **10/13/07 - Chaptered** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200720080AB783&version=20070AB78394CHP)
6. **AB783** (committee substitute) — [source](http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=200720080AB783)
7. **09/07/07 - Enrolled** (enrolled) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200720080AB783&version=20070AB78395ENR)

## Votes

- Assembly 3rd Reading AB783 Arambula By Denham — **pass** (pass) · upper
- Do pass and be re-referred to the Committee on Appropriations. — **pass** (pass) · lower
- Do pass. — **pass** (pass) · lower
- AB 783 ARAMBULA Concurrence in Senate Amendments — **pass** (pass) · lower
- Do pass, but re-refer to the Committee on Appropriations. — **pass** (pass) · upper
- AB 783 ARAMBULA Assembly Third Reading — **pass** (pass) · lower

## Sponsors

- Arambula — primary (person)
- Denham — coauthor (person)
- Jones — coauthor (person)

## Timeline

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

- **2007-02-22** Read first time. To print. `reading-1`
- **2007-02-23** From printer. May be heard in committee March 25.
- **2007-03-26** Referred to Standing Committee on Environmental Safety and Toxic Materials. `referral-committee`
- **2007-04-18** From committee chair, with author's amendments: Amend, and re-refer to Standing Committee on Environmental Safety and Toxic Materials Read second time and amended. `reading-1, reading-2, amendment-passage, amendment-introduction, referral-committee`
- **2007-04-19** Re-referred to Standing Committee on Environmental Safety and Toxic Materials. `referral-committee`
- **2007-04-25** From committee: Do pass, and re-refer to Standing Committee on Appropriations Re-referred. (Ayes 7. Noes 0.) (April 24). `committee-passage, committee-passage-favorable, referral-committee`
- **2007-05-10** In committee: Set, first hearing. Referred to Standing Committee on Appropriations suspense file. `referral-committee`
- **2007-06-01** From committee: Do pass. (Ayes 12. Noes 5.) (May 31). Read second time. To third reading. `committee-passage, reading-1, reading-2, committee-passage-favorable`
- **2007-06-04** Read third time, passed, and to Senate. (Ayes 64. Noes 12. Page 1841.) `passage, reading-1, reading-3`
- **2007-06-05** In Senate. Read first time. To Standing Committee on Rules for assignment. `reading-1`
- **2007-06-14** Referred to Standing Committee on Environmental Quality. `referral-committee`
- **2007-06-19** From committee chair, with author's amendments: Amend, and re-refer to committee. Read second time, amended, and re-referred to Standing Committee on Environmental Quality. `reading-1, reading-2, amendment-introduction, referral-committee, amendment-passage`
- **2007-07-03** From committee: Do pass, and re-refer to Standing Committee on Appropriations Re-referred. (Ayes 6. Noes 0.) . `committee-passage, committee-passage-favorable, referral-committee`
- **2007-07-17** From committee: Be placed on second reading file pursuant to Senate Rule 28.8. `committee-passage`
- **2007-07-18** Read second time. To third reading. `reading-1, reading-2`
- **2007-08-27** Read third time, amended. To second reading. `reading-1, reading-3, amendment-passage`
- **2007-08-28** Read second time. To third reading. `reading-1, reading-2`
- **2007-09-05** Read third time, passed, and to Assembly. (Ayes 32. Noes 6. Page 2323.) `passage, reading-1, reading-3`
- **2007-09-05** In Assembly. Concurrence in Senate amendments pending. May be considered on or after September 7 pursuant to Assembly Rule 77.
- **2007-09-06** Assembly Rule 77 suspended. (Page 2997.)
- **2007-09-06** Senate amendments concurred in. To enrollment. (Ayes 69. Noes 8. Page 3007.) `committee-passage-favorable, amendment-passage`
- **2007-09-11** Enrolled and to the Governor at 7:45 p.m.
- **2007-10-13** Approved by the Governor. `executive-signature`
- **2007-10-13** Chaptered by Secretary of State - Chapter 614, Statutes of 2007.

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/9afed4e2-dced-4eb7-99e4-0cc1c4b54830`. Confidence: reported (aggregated from official California legislature records).