republic-os/legislation/us/states/co/2020a/sb-20-204.md

---
type: "Bill"
title: "Additional Resources To Protect Air Quality"
description: "The act creates the air quality enterprise and specifies that its revenues are exempt from the state constitution's TABOR provisions. The enterprise will conduct air quality modeling, monitoring, data assessment, and research; implement emission mitigation projects; and provide its data to the division of administration (division) and the air quality control commission (commission) in the department of public health and environment (department) to facilitate the administration of the state's air quality laws, including by facilitating the timely issuance and effective enforcement of appropriate emission permits."
jurisdiction: "us/states/co"
legislature: "Colorado General Assembly"
session: "2020A"
identifier: "SB 20-204"
citation: "Colorado SB 20-204 (2020A)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Dominique Jackson", "Stephen Fenberg", "Yadira Caraveo"]
version_count: 10
action_count: 17
vote_count: 2
first_action: "2020-03-12T06:00:00+00:00"
last_action: "2020-06-30T06:00:00+00:00"
source: "openstates"
source_identifier: "ocd-bill/3de0db18-f664-45f1-8492-f14139876a33"
source_url: "http://leg.colorado.gov/bills/sb20-204"
source_hash: "7192c2dd9369cc9ac2e00e151fe23791c54569d9a9c85fb806ab3c99847e407e"
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-co"]
---

# Colorado SB 20-204 (2020A) — Additional Resources To Protect Air Quality

The act creates the air quality enterprise and specifies that its revenues are exempt from the state constitution's TABOR provisions. The enterprise will conduct air quality modeling, monitoring, data assessment, and research; implement emission mitigation projects; and provide its data to the division of administration (division) and the air quality control commission (commission) in the department of public health and environment (department) to facilitate the administration of the state's air quality laws, including by facilitating the timely issuance and effective enforcement of appropriate emission permits.

## Version chain

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

1. **Committee Amendment** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/2020a_sb204_h_app_002.pdf)
2. **Engrossed (06/04/2020)** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/documents/2020A/bills/2020a_204_eng.pdf)
3. **Final Act (06/19/2020)** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/documents/2020A/bills/2020a_204_enr.pdf)
4. **Introduced (03/12/2020)** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/documents/2020A/bills/2020a_204_01.pdf)
5. **PA1 (05/28/2020)** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/documents/2020A/bills/2020a_204sfin_01.pdf)
6. **PA2 (06/02/2020)** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/documents/2020A/bills/2020a_204sfinsapp.pdf)
7. **Reengrossed (06/05/2020)** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/documents/2020A/bills/2020a_204_ren.pdf)
8. **Rerevised (06/12/2020)** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/documents/2020A/bills/2020a_204_rer.pdf)
9. **Revised (06/10/2020)** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/documents/2020A/bills/2020a_204_rev.pdf)
10. **Signed Act (06/30/2020)** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/2020a_204_signed.pdf)

## Votes

- BILL — **20–14** (pass) · upper
- BILL — **41–24** (pass) · lower

## Sponsors

- Dominique Jackson — primary (person)
- Stephen Fenberg — primary (person)
- Yadira Caraveo — primary (person)

## Timeline

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

- **2020-06-30T06:00:00+00:00** Governor Signed `executive-signature`
- **2020-06-19T06:00:00+00:00** Sent to the Governor `executive-receipt`
- **2020-06-19T06:00:00+00:00** Signed by the Speaker of the House
- **2020-06-18T06:00:00+00:00** Signed by the President of the Senate
- **2020-06-12T06:00:00+00:00** House Third Reading Passed - No Amendments `reading-3, passage`
- **2020-06-11T06:00:00+00:00** House Third Reading Laid Over Daily - No Amendments
- **2020-06-10T06:00:00+00:00** House Second Reading Special Order - Passed - No Amendments
- **2020-06-10T06:00:00+00:00** House Committee on Appropriations Refer Unamended to House Committee of the Whole `committee-passage, referral-committee`
- **2020-06-09T06:00:00+00:00** House Committee on Finance Refer Unamended to Appropriations `referral-committee`
- **2020-06-09T06:00:00+00:00** House Committee on Energy & Environment Refer Unamended to Finance `referral-committee`
- **2020-06-05T06:00:00+00:00** Introduced In House - Assigned to Energy & Environment `introduction`
- **2020-06-05T06:00:00+00:00** Senate Third Reading Passed - No Amendments `reading-3, passage`
- **2020-06-04T06:00:00+00:00** Senate Second Reading Passed with Amendments - Committee, Floor `reading-2`
- **2020-06-02T06:00:00+00:00** Senate Committee on Appropriations Refer Amended to Senate Committee of the Whole `committee-passage, referral-committee`
- **2020-05-27T06:00:00+00:00** Senate Committee on Finance Refer Amended to Appropriations `referral-committee`
- **2020-05-26T06:00:00+00:00** Senate Committee on Transportation & Energy Refer Unamended to Finance `referral-committee`
- **2020-03-12T06:00:00+00:00** Introduced In Senate - Assigned to Transportation & Energy `introduction`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/3de0db18-f664-45f1-8492-f14139876a33`. Confidence: reported (aggregated from official Colorado legislature records).