---
type: "Bill"
title: "cap; water supply development fund"
description: "cap; water supply development fund"
jurisdiction: "us/states/az"
legislature: "Arizona Legislature"
session: "57th-2nd-regular"
identifier: "SB 1560"
citation: "Arizona SB 1560 (57th-2nd-regular)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Timothy \"Tim\" Dunn"]
version_count: 3
action_count: 15
vote_count: 4
first_action: "2026-02-03"
last_action: "2026-06-22"
source: "openstates"
source_identifier: "ocd-bill/15aec3a3-c7ba-4b2e-8b00-fa6f72f48d0b"
source_url: "https://apps.azleg.gov/BillStatus/BillOverview/85173?SessionId=130"
source_hash: "de14b7efb36ce2b7a5dde1c4712acad17676742ade195b140f72bdc58797eb0f"
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-az"]
---

# Arizona SB 1560 (57th-2nd-regular) — cap; water supply development fund

## Version chain

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

1. **Introduced Version** (committee substitute) — [source](https://www.azleg.gov/legtext/57leg/2r/bills/sb1560p.pdf)
2. **SENATE - Dunn flr amend (ref Bill) adopted** (committee substitute) — [source](https://apps.azleg.gov/BillStatus/GetDocumentPdf/539143)
3. **Senate Engrossed Version (02/26/2026)** (committee substitute) — [source](https://www.azleg.gov/legtext/57leg/2r/bills/sb1560s.pdf)

## Votes

- do pass amended — **0–0** (fail) · upper
- Passed — **28–0** (pass) · upper
- Passed — **48–2** (pass) · lower
- do pass — **0–0** (fail) · lower

## Sponsors

- Timothy "Tim" Dunn — primary (person)

## Timeline

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

- **2026-02-03** Senate First Reading `reading-1`
- **2026-02-04** Senate Second Reading `reading-2`
- **2026-02-10** DP `committee-passage`
- **2026-02-26** DPA `amendment-passage`
- **2026-02-26** PASSED `passage, reading-3`
- **2026-02-27** Transmit to House
- **2026-03-04** House First Reading. `reading-1`
- **2026-03-05** House Second Reading `reading-2`
- **2026-03-17** DP `committee-passage`
- **2026-03-23** House Placed on Consent Calendar
- **2026-06-09** DP `informal-passage`
- **2026-06-10** PASSED `passage, reading-3`
- **2026-06-10** Transmit to Senate
- **2026-06-12** Transmit to Governor `executive-receipt`
- **2026-06-22** Signed by Governor `executive-signature`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/15aec3a3-c7ba-4b2e-8b00-fa6f72f48d0b`. Confidence: reported (aggregated from official Arizona legislature records).