republic-os/legislation/us/states/ca/20012002/ab-639.md

---
type: "Bill"
title: "Coastal waters: contamination."
description: "Coastal waters: contamination."
jurisdiction: "us/states/ca"
legislature: "California Legislature"
session: "20012002"
identifier: "AB 639"
citation: "California AB 639 (20012002)"
classification: ["bill"]
subjects: ["Coastal waters: contamination."]
status: "enacted"
primary_sponsors: ["Nakano"]
version_count: 10
action_count: 28
vote_count: 8
first_action: "2001-02-22"
last_action: "2001-10-04"
source: "openstates"
source_identifier: "ocd-bill/13b97ce3-a021-481c-8e7f-dbd64f1b6941"
source_url: "http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=200120020AB639"
source_hash: "0b51532f603992c227014c8dcdb957fa1d1d7a9dd039de1a79d98e16ea3a858b"
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 639 (20012002) — Coastal waters: contamination.

## Version chain

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

1. **02/22/01 - Introduced** (filed) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200120020AB639&version=20010AB63999INT)
2. **04/16/01 - Amended Assembly** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200120020AB639&version=20010AB63998AMD)
3. **05/15/01 - Amended Assembly** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200120020AB639&version=20010AB63997AMD)
4. **06/05/01 - Amended Assembly** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200120020AB639&version=20010AB63996AMD)
5. **07/10/01 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200120020AB639&version=20010AB63995AMD)
6. **07/19/01 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200120020AB639&version=20010AB63994AMD)
7. **08/22/01 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200120020AB639&version=20010AB63993AMD)
8. **10/04/01 - Chaptered** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200120020AB639&version=20010AB63991CHP)
9. **AB639** (committee substitute) — [source](http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=200120020AB639)
10. **09/12/01 - Enrolled** (enrolled) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200120020AB639&version=20010AB63992ENR)

## Votes

- Assembly 3rd Reading AB639 Nakano By Sher — **pass** (pass) · upper
- Placed on Appropriations Suspense file. — **pass** (pass) · upper
- AB 639 Nakano Assembly Third Reading — **pass** (pass) · lower
- Do pass. — **pass** (pass) · upper
- Do pass as amended, and re-refer to the Committee on Appropriations. — **pass** (pass) · upper
- Do pass as amended. — **pass** (pass) · lower
- AB 639 Nakano Concurrence in Senate Amendments — **pass** (pass) · lower
- Do pass as amended and be re-referred to the Committee on Appropriations. — **pass** (pass) · lower

## Sponsors

- Nakano — primary (person)
- Bill Campbell — coauthor (person)
- Chan — coauthor (person)
- Chu — coauthor (person)
- Harman — coauthor (person)
- Kehoe — coauthor (person)
- Koretz — coauthor (person)
- Liu — coauthor (person)
- Maddox — coauthor (person)
- McPherson — coauthor (person)
- Pavley — coauthor (person)
- Robert Pacheco — coauthor (person)
- Strom-Martin — coauthor (person)

## Timeline

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

- **2001-10-04** Chaptered by Secretary of State - Chapter 502, Statutes of 2001.
- **2001-10-04** Approved by the Governor. `executive-signature`
- **2001-09-27** Enrolled and to the Governor at 11 a.m.
- **2001-09-12** Senate amendments concurred in. To enrollment. (Ayes 72. Noes 6. Page 3762.) `committee-passage-favorable, amendment-passage`
- **2001-09-10** In Assembly. Concurrence in Senate amendments pending. May be considered on or after September 12 pursuant to Assembly Rule 77.
- **2001-09-10** Read third time, passed, and to Assembly. (Ayes 34. Noes 3. Page 2730.) `passage, reading-1, reading-3`
- **2001-09-06** From committee: Do pass. (Ayes 11. Noes 0.). Read second time. To third reading. `reading-2, committee-passage-favorable, reading-1, committee-passage`
- **2001-08-22** From committee chair, with author's amendments: Amend, and re-refer to committee. Read second time, amended, and re-referred to Standing Committee on Appropriations. `reading-1, referral-committee, reading-2, amendment-introduction, amendment-passage`
- **2001-08-20** In committee: Placed on Appropriations suspense file.
- **2001-07-19** From committee chair, with author's amendments: Amend, and re-refer to committee. Read second time, amended, and re-referred to Standing Committee on Appropriations. `reading-1, referral-committee, reading-2, amendment-introduction, amendment-passage`
- **2001-07-10** Read second time, amended, and re-referred to Standing Committee on Appropriations. `reading-2, reading-1, referral-committee, amendment-passage`
- **2001-07-09** From committee: Amend, do pass as amended, and re-refer to Standing Committee on Appropriations (Ayes 6. Noes 1.). `amendment-introduction, referral-committee, committee-passage, amendment-passage`
- **2001-06-14** Referred to Com. on ENV. QUAL. `referral-committee`
- **2001-06-11** In Senate. Read first time. To Standing Committee on Rules for assignment. `reading-1`
- **2001-06-07** Read third time, passed, and to Senate. (Ayes 78. Noes 0. Page 2313.) `passage, reading-1, reading-3`
- **2001-06-06** Read second time. To third reading. `reading-2, reading-1`
- **2001-06-05** From committee: Amend, and do pass as amended. (Ayes 21. Noes 0.) (May 31). Read second time and amended. Ordered returned to second reading. `reading-2, reading-1, committee-passage, amendment-introduction, amendment-passage`
- **2001-05-30** In committee: Set, first hearing. Referred to Standing Committee on Appropriations suspense file. `referral-committee`
- **2001-05-29** Joint Rule 62(a), file notice waived. (Page 1856.)
- **2001-05-17** Re-referred to Standing Committee on Appropriations. `referral-committee`
- **2001-05-15** Read second time and amended. `reading-2, amendment-passage, reading-1`
- **2001-05-14** From committee: Amend, do pass as amended, and re-refer to Standing Committee on Appropriations (Ayes 6. Noes 0.) (May 8). `amendment-introduction, referral-committee, committee-passage, amendment-passage`
- **2001-05-14** Joint Rule 61(a)(2) suspended (Page 1576).
- **2001-04-19** Re-referred to Standing Committee on Environmental Safety and Toxic Materials. `referral-committee`
- **2001-04-16** 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-2, referral-committee, reading-1, amendment-introduction, amendment-passage`
- **2001-04-05** Referred to Standing Committee on Environmental Safety and Toxic Materials. `referral-committee`
- **2001-02-23** From printer. May be heard in committee March 25.
- **2001-02-22** Read first time. To print. `reading-1`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/13b97ce3-a021-481c-8e7f-dbd64f1b6941`. Confidence: reported (aggregated from official California legislature records).