---
type: "Bill"
title: "underground storage tanks; process"
description: "underground storage tanks; process"
jurisdiction: "us/states/az"
legislature: "Arizona Legislature"
session: "54th-1st-regular"
identifier: "HB 2704"
citation: "Arizona HB 2704 (54th-1st-regular)"
classification: ["bill"]
subjects: ["ARIZONA DEPARTMENT OF ENVIRONMENTAL QUALITY", "REIMBURSEMENT", "THE ENVIRONMENT - TITLE 49", "UNDERGROUND STORAGE TANKS"]
status: "enacted"
primary_sponsors: ["Ben Toma"]
version_count: 6
action_count: 14
vote_count: 4
first_action: "2019-02-13"
last_action: "2019-04-22"
source: "openstates"
source_identifier: "ocd-bill/05255b19-ec50-4bce-85ca-a9ffbcf27748"
source_url: "https://apps.azleg.gov/BillStatus/BillOverview/72348?SessionId=121"
source_hash: "bf0e94eb33892d0165eca6c2c6ee81af29b8b6136ba368f1271268a2c7aaf51e"
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 2704 (54th-1st-regular) — underground storage tanks; process

## 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/0114.htm)
2. **HOUSE - Floor Amend to NREW - Bowers - passed** (committee substitute) — [source](https://apps.azleg.gov/BillStatus/GetDocumentPdf/468523)
3. **HOUSE - Natural Resources, Energy & Water** (committee substitute) — [source](https://www.azleg.gov/legtext/54leg/1R/adopted/H.2704NATURAL RESOURCES ENERGY  WATER.DOCX.htm)
4. **HOUSE - SUB Floor Amend to NREW - Engel - failed** (committee substitute) — [source](https://apps.azleg.gov/BillStatus/GetDocumentPdf/468521)
5. **House Engrossed Version** (committee substitute) — [source](https://www.azleg.gov/legtext/54leg/1R/bills/HB2704H.htm)
6. **Introduced Version** (committee substitute) — [source](https://www.azleg.gov/legtext/54leg/1R/bills/HB2704P.htm)

## Votes

- do pass amended — **0–0** (fail) · lower
- Passed — **31–29** (pass) · lower
- do pass — **0–0** (fail) · upper
- Passed — **16–12** (pass) · upper

## Sponsors

- Ben Toma — primary (person)
- Russell "Rusty" Bowers — cosponsor (person)

## Timeline

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

- **2019-02-13** house first reading. `reading-1`
- **2019-02-19** dpa `amendment-passage`
- **2019-02-14** house second reading `reading-2`
- **2019-03-11** dpa `amendment-passage`
- **2019-03-11** passed `passage, reading-3`
- **2019-03-12** senate first reading `reading-1`
- **2019-03-12** transmit to senate
- **2019-03-20** dp `committee-passage`
- **2019-03-13** senate second reading `reading-2`
- **2019-04-10** dp `passage`
- **2019-04-15** passed `passage, reading-3`
- **2019-04-15** transmit to house
- **2019-04-16** transmit to governor `executive-receipt`
- **2019-04-22** 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/05255b19-ec50-4bce-85ca-a9ffbcf27748`. Confidence: reported (aggregated from official Arizona legislature records).