---
type: "Bill"
title: "Water supply planning: projects: photovoltaic or wind energy generation facility."
description: "Existing law requires a city or county that determines that a project, as defined, is subject to the California Environmental Quality Act to identify any public water system that may supply water for the project and to request those public water systems to prepare a specified water supply assessment. If no public water system is identified, the city or county is required to prepare the water supply assessment."
jurisdiction: "us/states/ca"
legislature: "California Legislature"
session: "20152016"
identifier: "AB 2561"
citation: "California AB 2561 (20152016)"
classification: ["bill"]
subjects: ["Water supply planning: projects: photovoltaic or wind energy generation facility."]
status: "enacted"
primary_sponsors: ["Irwin"]
version_count: 7
action_count: 36
vote_count: 8
first_action: "2016-02-19"
last_action: "2016-09-26"
source: "openstates"
source_identifier: "ocd-bill/6e9a84fd-70db-4789-ac84-cdf4827507bd"
source_url: "http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=201520160AB2561"
source_hash: "451849e2a728327f45c196965ccde64ed68c4decbb3330855c0ce09ae572295f"
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 2561 (20152016) — Water supply planning: projects: photovoltaic or wind energy generation facility.

Existing law requires a city or county that determines that a project, as defined, is subject to the California Environmental Quality Act to identify any public water system that may supply water for the project and to request those public water systems to prepare a specified water supply assessment. If no public water system is identified, the city or county is required to prepare the water supply assessment.

## Version chain

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

1. **02/19/16 - Introduced** (filed) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201520160AB2561&version=20150AB256199INT)
2. **04/12/16 - Amended Assembly** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201520160AB2561&version=20150AB256198AMD)
3. **08/19/16 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201520160AB2561&version=20150AB256197AMD)
4. **08/31/16 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201520160AB2561&version=20150AB256196AMD)
5. **09/26/16 - Chaptered** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201520160AB2561&version=20150AB256194CHP)
6. **AB2561** (committee substitute) — [source](http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=201520160AB2561)
7. **09/01/16 - Enrolled** (enrolled) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201520160AB2561&version=20150AB256195ENR)

## Votes

- W/O REF. TO FILE AB2561 Irwin By Hill Urgency Clause — **38–0** (pass) · upper
- Do pass as amended, but first amend, and re-refer to the Committee on [Appropriations] — **8–0** (pass) · upper
- Do pass and be re-referred to the Committee on [Appropriations] — **8–0** (pass) · lower
- Do pass — **7–0** (pass) · upper
- AB 2561 IRWIN Concurrence - Urgency Added — **77–0** (pass) · lower
- AB 2561 V. A. Consent Calendar Second Day — **76–0** (pass) · lower
- Do pass. To Consent Calendar. — **16–0** (pass) · lower
- Do pass, but first be re-referred to the Committee on [Appropriations] with the recommendation: To Consent Calendar — **5–0** (pass) · upper

## Sponsors

- Irwin — primary (person)

## Timeline

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

- **2016-02-19** Introduced. To print. `introduction`
- **2016-02-21** From printer. May be heard in committee March 22.
- **2016-02-22** Read first time. `reading-1`
- **2016-03-08** Referred to Com. on V.A. `referral-committee`
- **2016-03-30** From committee: Do pass and re-refer to Com. on APPR. (Ayes 8. Noes 0.) (March 29). Re-referred to Com. on APPR. `referral-committee, committee-passage-favorable, committee-passage`
- **2016-04-12** From committee chair, with author's amendments: Amend, and re-refer to Com. on APPR. Read second time and amended. `reading-2, amendment-introduction, amendment-passage, reading-1`
- **2016-04-13** Re-referred to Com. on APPR. `referral-committee`
- **2016-04-20** From committee: Do pass. To Consent Calendar. (Ayes 16. Noes 0.) (April 20). `committee-passage-favorable, committee-passage`
- **2016-04-21** Read second time. Ordered to Consent Calendar. `reading-2, reading-1`
- **2016-04-28** Read third time. Passed. Ordered to the Senate. (Ayes 76. Noes 0. Page 4596.) `reading-3, passage, reading-1`
- **2016-04-28** In Senate. Read first time. To Com. on RLS. for assignment. `reading-1`
- **2016-05-05** Referred to Com. on V.A. `referral-committee`
- **2016-06-14** From committee: Do pass and re-refer to Com. on APPR. with recommendation: To Consent Calendar. (Ayes 5. Noes 0.) (June 14). Re-referred to Com. on APPR. `referral-committee, committee-passage-favorable, committee-passage`
- **2016-08-02** From committee: Do pass. (Ayes 7. Noes 0.) (August 1). `committee-passage-favorable, committee-passage`
- **2016-08-03** Read second time. Ordered to third reading. `reading-2, reading-1`
- **2016-08-11** Ordered to inactive file at the request of Senator Nielsen.
- **2016-08-17** From inactive file.
- **2016-08-17** Ordered to second reading.
- **2016-08-18** Read second time. Ordered to third reading. `reading-2, reading-1`
- **2016-08-19** Read third time and amended. Ordered to second reading. `reading-3, amendment-passage, reading-1`
- **2016-08-22** Read second time. Ordered to third reading. `reading-2, reading-1`
- **2016-08-22** Re-referred to Com. on RLS. pursuant to Senate Rule 29.10(c). `referral-committee`
- **2016-08-31** Re-referred to Com. on N.R. & W. `referral-committee`
- **2016-08-31** Joint Rules 61 and 62(a) suspended. (Ayes 39. Noes 0. Page 5582.)
- **2016-08-31** Senate Rule 29.3(b) suspended. (Ayes 39. Noes 0. Page 5582.)
- **2016-08-31** From committee: Amend, and do pass as amended and re-refer to Com. on APPR. (Ayes 8. Noes 0.) (August 31). `amendment-introduction, committee-passage, amendment-passage`
- **2016-08-31** Read second time and amended. Re-referred to Com. on APPR. `referral-committee, reading-2, amendment-passage, reading-1`
- **2016-08-31** From committee: Be placed on second reading file pursuant to Senate Rule 28.8. `committee-passage`
- **2016-08-31** Ordered to third reading.
- **2016-08-31** Read third time. Urgency clause adopted. Passed. Ordered to the Assembly. (Ayes 38. Noes 0. Page 5603.). `reading-3, passage, reading-1`
- **2016-09-01** In Assembly. Concurrence in Senate amendments pending.
- **2016-09-01** Assembly Rule 63 suspended. (Page 6603.)
- **2016-09-01** Urgency clause adopted. Senate amendments concurred in. To Engrossing and Enrolling. (Ayes 77. Noes 0. Page 6606.). `committee-passage-favorable, amendment-passage`
- **2016-09-12** Enrolled and presented to the Governor at 11:30 a.m.
- **2016-09-26** Approved by the Governor. `executive-signature`
- **2016-09-26** Chaptered by Secretary of State - Chapter 669, Statutes of 2016.

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/6e9a84fd-70db-4789-ac84-cdf4827507bd`. Confidence: reported (aggregated from official California legislature records).