---
type: "Bill"
title: "S.B. 20 Air Quality Policy Advisory Board"
description: "S.B. 20 Air Quality Policy Advisory Board"
jurisdiction: "us/states/ut"
legislature: "Utah Legislature"
session: "2021"
identifier: "SB 20"
citation: "Utah SB 20 (2021)"
classification: ["bill"]
subjects: ["Air Quality", "Environment", "Sunset Legislation"]
status: "enacted"
primary_sponsors: ["Iwamoto, Jani"]
version_count: 2
action_count: 39
vote_count: 5
first_action: "2020-12-16"
last_action: "2021-03-11"
source: "openstates"
source_identifier: "ocd-bill/36db3084-a17c-41a3-a41a-a24c1325f980"
source_url: "https://le.utah.gov/~2021/bills/static/SB0020.html"
source_hash: "927439ffd693362442ffda36bd90fb50b76787251b7cbad8e26fb5583b373aa2"
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-ut"]
---

# Utah SB 20 (2021) — S.B. 20 Air Quality Policy Advisory Board

## Version chain

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

1. **Introduced** (filed) — [source](https://le.utah.gov/~2021/bills/sbillint/SB0020S02.pdf)
2. **Enrolled** (enrolled) — [source](https://le.utah.gov/~2021/bills/sbillenr/SB0020.pdf)

## Votes

- passed 2nd & 3rd readings/suspension — **27–0** (pass) · upper
- concurs with House amendment — **28–0** (pass) · upper
- House Comm - Substitute Recommendation from # 0 to # 2 — **9–0** (pass) · upper
- passed 3rd reading — **73–0** (pass) · lower
- House Comm - Favorable Recommendation — **9–0** (pass) · upper

## Sponsors

- Iwamoto, Jani — primary (person)
- Watkins, Christine F. — cosponsor (person)

## Timeline

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

- **2020-12-16** Bill Numbered but not Distributed
- **2020-12-16** Numbered Bill Publicly Distributed
- **2021-01-12** received bill from Legislative Research
- **2021-01-14** received fiscal note from Fiscal Analyst
- **2021-01-19** 1st reading (Introduced) `introduction, reading-1`
- **2021-01-19** placed on 2nd Reading Calendar
- **2021-01-19** 2nd & 3rd readings/suspension `reading-2, reading-3`
- **2021-01-19** passed 2nd & 3rd readings/suspension `passage`
- **2021-01-19** to House
- **2021-01-19** received from Senate
- **2021-01-19** 1st reading (Introduced) `introduction, reading-1`
- **2021-01-22** to House Natural Resources, Agriculture, and Environment Committee `referral-committee`
- **2021-01-27** House Comm - Substitute Recommendation from # 0 to # 2
- **2021-01-27** House Comm - Favorable Recommendation `committee-passage-favorable`
- **2021-01-27** fiscal note sent to sponsor
- **2021-01-28** fiscal note publicly available
- **2021-01-28** comm rpt/substituted
- **2021-01-28** return to Rules due to fiscal impact
- **2021-02-02** Rules to 3rd Reading Calendar
- **2021-02-02** 2nd reading `reading-2`
- **2021-02-03** 3rd reading `reading-3`
- **2021-02-03** passed 3rd reading `passage`
- **2021-02-03** to Senate
- **2021-02-03** received from House
- **2021-02-03** placed on Concurrence Calendar
- **2021-02-04** concurs with House amendment
- **2021-02-04** to House
- **2021-02-05** received from Senate
- **2021-02-05** signed by Speaker/returned to Senate
- **2021-02-05** to Senate
- **2021-02-05** received from House
- **2021-02-05** signed by President/sent for enrolling
- **2021-02-16** Bill Received from Senate for Enrolling
- **2021-02-16** Draft of Enrolled Bill Prepared
- **2021-03-09** Enrolled Bill Returned to House or Senate
- **2021-03-09** enrolled bill to Printing
- **2021-03-11** received enrolled bill from Printing
- **2021-03-11** to Governor `executive-receipt`
- **2021-03-11** Governor Signed `executive-signature`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/36db3084-a17c-41a3-a41a-a24c1325f980`. Confidence: reported (aggregated from official Utah legislature records).