---
type: "Bill"
title: "DEQ; oil and gas commission"
description: "DEQ; oil and gas commission"
jurisdiction: "us/states/az"
legislature: "Arizona Legislature"
session: "54th-1st-regular"
identifier: "HB 2550"
citation: "Arizona HB 2550 (54th-1st-regular)"
classification: ["bill"]
subjects: ["DEPARTMENT OF ENVIRONMENTAL QUALITY", "OIL AND GAS CONSERVATION COMMISSION", "THE ENVIRONMENT - TITLE 49"]
status: "enacted"
primary_sponsors: ["Tony Rivero"]
version_count: 6
action_count: 17
vote_count: 7
first_action: "2019-02-04"
last_action: "2019-04-30"
source: "openstates"
source_identifier: "ocd-bill/ba81d8a1-2765-4594-8085-a95c6e9bb143"
source_url: "https://apps.azleg.gov/BillStatus/BillOverview/71883?SessionId=121"
source_hash: "6527c802f06f3c675743e97f6cb3a70744440889c43eb5b2b1947b2383a39787"
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 HB 2550 (54th-1st-regular) — DEQ; oil and gas commission

## Version chain

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

1. **Chaptered Version** (committee substitute) — [source](https://www.azleg.gov/legtext/54leg/1R/laws/0156.htm)
2. **House Engrossed Version** (committee substitute) — [source](https://www.azleg.gov/legtext/54leg/1R/bills/HB2550H.htm)
3. **Introduced Version** (committee substitute) — [source](https://www.azleg.gov/legtext/54leg/1R/bills/HB2550P.htm)
4. **SENATE - Appropriations - Strike Everything** (committee substitute) — [source](https://www.azleg.gov/legtext/54leg/1R/adopted/S.2550APPROP.DOCX.htm)
5. **SENATE - Corrected Gowan flr amend (ref APPROP) adopted** (committee substitute) — [source](https://www.azleg.gov/legtext/54leg/1R/adopted/S.2550GOWAN0901.docx.htm)
6. **Senate Engrossed Version** (committee substitute) — [source](https://www.azleg.gov/legtext/54leg/1R/bills/HB2550S.htm)

## Votes

- Passed — **58–0** (pass) · lower
- do pass amended — **0–0** (fail) · upper
- Passed — **59–0** (pass) · lower
- Passed — **0–0** (fail) · lower
- do pass — **0–0** (fail) · lower
- Retained on the Calendar — **0–0** (fail) · lower
- Passed — **28–0** (pass) · upper

## Sponsors

- Tony Rivero — primary (person)

## Timeline

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

- **2019-02-04** house first reading. `reading-1`
- **2019-02-19** dp `committee-passage`
- **2019-02-05** house second reading `reading-2`
- **2019-03-19** dp `passage`
- **2019-03-19** transmit to senate
- **2019-03-19** passed `passage, reading-3`
- **2019-03-20** senate first reading `reading-1`
- **2019-03-28** w/d `withdrawal`
- **2019-03-21** senate second reading `reading-2`
- **2019-04-02** dpa/se `amendment-passage`
- **2019-04-11** dpa `amendment-passage`
- **2019-04-15** passed `passage, reading-3`
- **2019-04-15** transmit to house
- **2019-04-24** passed `passage`
- **2019-04-24** transmit to governor `executive-receipt`
- **2019-04-24** passed `passage`
- **2019-04-30** 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/ba81d8a1-2765-4594-8085-a95c6e9bb143`. Confidence: reported (aggregated from official Arizona legislature records).