---
type: "Bill"
title: "Water supply planning."
description: "Water supply planning."
jurisdiction: "us/states/ca"
legislature: "California Legislature"
session: "20012002"
identifier: "AB 901"
citation: "California AB 901 (20012002)"
classification: ["bill"]
subjects: ["Water supply planning."]
status: "enacted"
primary_sponsors: ["Daucher"]
version_count: 8
action_count: 29
vote_count: 7
first_action: "2001-02-23"
last_action: "2001-10-09"
source: "openstates"
source_identifier: "ocd-bill/7809c208-d554-4f86-93c5-1f7296c69c2d"
source_url: "http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=200120020AB901"
source_hash: "7283b15851db3fa45101752155c662777cfc9771c0cea05d3c662e8414b5436f"
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 901 (20012002) — Water supply planning.

## Version chain

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

1. **02/23/01 - Introduced** (filed) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200120020AB901&version=20010AB90199INT)
2. **04/16/01 - Amended Assembly** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200120020AB901&version=20010AB90198AMD)
3. **07/12/01 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200120020AB901&version=20010AB90197AMD)
4. **09/04/01 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200120020AB901&version=20010AB90196AMD)
5. **09/07/01 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200120020AB901&version=20010AB90195AMD)
6. **10/09/01 - Chaptered** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200120020AB901&version=20010AB90193CHP)
7. **AB901** (committee substitute) — [source](http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=200120020AB901)
8. **09/14/01 - Enrolled** (enrolled) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=200120020AB901&version=20010AB90194ENR)

## Votes

- Do pass, to Consent Calendar. — **pass** (pass) · lower
- Do pass. — **pass** (pass) · upper
- AB 901 Daucher Consent Calendar Second Day Regular Session — **pass** (pass) · lower
- Do pass, but re-refer to the Committee on Appropriations. — **pass** (pass) · upper
- Do pass and re-refer to Committee on Appropriations with recommendation: To Consent Calendar. — **pass** (pass) · lower
- AB 901 Daucher Special Consent Calendar 2nd Day Regular Session — **pass** (pass) · lower
- Assembly 3rd Reading AB901 Daucher By Bowen — **pass** (pass) · upper

## Sponsors

- Daucher — primary (person)
- Bowen — coauthor (person)
- Calderon — coauthor (person)
- Pavley — coauthor (person)
- Robert Pacheco — coauthor (person)

## Timeline

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

- **2001-10-09** Chaptered by Secretary of State - Chapter 644, Statutes of 2001.
- **2001-10-09** Approved by the Governor. `executive-signature`
- **2001-10-01** Enrolled and to the Governor at 2:30 p.m.
- **2001-09-14** Senate amendments concurred in. To enrollment. (Ayes 79. Noes 0. Page 3985.) `committee-passage-favorable, amendment-passage`
- **2001-09-12** In Assembly. Concurrence in Senate amendments pending. May be considered on or after September 14 pursuant to Assembly Rule 77. Ordered to Special Consent Calendar.
- **2001-09-12** Read third time, passed, and to Assembly. (Ayes 40. Noes 0. Page 2808.) `passage, reading-1, reading-3`
- **2001-09-10** Read second time. To third reading. `reading-2, reading-1`
- **2001-09-07** Read third time, amended. To second reading. `reading-1, amendment-passage, reading-3`
- **2001-09-05** Read second time. To third reading. `reading-2, reading-1`
- **2001-09-04** Read third time, amended. To second reading. `reading-1, amendment-passage, reading-3`
- **2001-08-22** Read second time. To third reading. `reading-2, reading-1`
- **2001-08-21** From committee: Do pass. (Ayes 9. Noes 0.). `committee-passage-favorable, committee-passage`
- **2001-07-16** In committee: Hearing postponed by committee.
- **2001-07-12** 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`
- **2001-07-09** In committee: Set, first hearing. Hearing canceled at the request of author.
- **2001-06-20** From committee: Do pass, and re-refer to Standing Committee on Appropriations with recommendation: To Consent Calendar. Re-referred. (Ayes 9. Noes 0.). `committee-passage-favorable, referral-committee, committee-passage`
- **2001-05-31** Referred to Com. on AGR. & WAT. RES. `referral-committee`
- **2001-05-17** In Senate. Read first time. To Standing Committee on Rules for assignment. `reading-1`
- **2001-05-17** Read third time, passed, and to Senate. (Ayes 75. Noes 0. Page 1688.) `passage, reading-1, reading-3`
- **2001-05-14** Read second time. To Consent Calendar. `reading-2, reading-1`
- **2001-05-10** From committee: Do pass. To Consent Calendar. (May 9). `committee-passage-favorable, committee-passage`
- **2001-04-25** From committee: Do pass, and re-refer to Standing Committee on Appropriations with recommendation: To Consent Calendar. Re-referred. (Ayes 15. Noes 0.) (April 24). `committee-passage-favorable, referral-committee, committee-passage`
- **2001-04-19** Re-referred to Standing Committee on Water, Parks and Wildlife. `referral-committee`
- **2001-04-16** From committee chair, with author's amendments: Amend, and re-refer to Standing Committee on Water, Parks and Wildlife Read second time and amended. `reading-2, referral-committee, reading-1, amendment-introduction, amendment-passage`
- **2001-04-03** In committee: Set, first hearing. Hearing canceled at the request of author.
- **2001-03-12** Referred to Standing Committee on Water, Parks and Wildlife. `referral-committee`
- **2001-02-26** Read first time. `reading-1`
- **2001-02-25** From printer. May be heard in committee March 27.
- **2001-02-23** Introduced. To print. `introduction`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/7809c208-d554-4f86-93c5-1f7296c69c2d`. Confidence: reported (aggregated from official California legislature records).