---
type: "Bill"
title: "Disposal of Preproduction Plastic Materials"
description: "Senate Bill 26-016, enacted in 2026, prohibits a person from disposing of preproduction plastic materials at a location that does not have federal interim status, a federal permit granted pursuant to the federal 'Solid Waste Disposal Act', or a state permit for the treatment, storage, or disposal of hazardous waste at a hazardous waste site. The act removes this prohibition and instead prohibits the disposal of preproduction plastic materials at a location that is not a solid wastes disposal site and facility with a certificate of designation.(Note: This summary applies to this bill as enacted.)"
jurisdiction: "us/states/co"
legislature: "Colorado General Assembly"
session: "2026A"
identifier: "SB 171"
citation: "Colorado SB 171 (2026A)"
classification: ["bill"]
subjects: ["Natural Resources & Environment"]
status: "enacted"
primary_sponsors: ["K. Wallace", "L. Cutter", "L. Smith", "M. Lukens"]
version_count: 7
action_count: 12
vote_count: 3
first_action: "2026-04-20"
last_action: "2026-05-29"
source: "openstates"
source_identifier: "ocd-bill/587efb0b-0983-4b6d-ac77-92883f1e638a"
source_url: "https://leg.colorado.gov/bills/SB26-171"
source_hash: "131996f1739cfd6d56cfea3c58ffe9965017aa653a92a91760654a82be926b81"
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 171 (2026A) — Disposal of Preproduction Plastic Materials

Senate Bill 26-016, enacted in 2026, prohibits a person from disposing of preproduction plastic materials at a location that does not have federal interim status, a federal permit granted pursuant to the federal 'Solid Waste Disposal Act', or a state permit for the treatment, storage, or disposal of hazardous waste at a hazardous waste site. The act removes this prohibition and instead prohibits the disposal of preproduction plastic materials at a location that is not a solid wastes disposal site and facility with a certificate of designation.(Note: This summary applies to this bill as enacted.)

## Version chain

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

1. **Introduced** (filed) — [source](https://leg.colorado.gov/bill_files/114935/download)
2. **Engrossed** (committee substitute) — [source](https://leg.colorado.gov/bill_files/115425/download)
3. **Final Act** (committee substitute) — [source](https://leg.colorado.gov/bill_files/116557/download)
4. **Reengrossed** (committee substitute) — [source](https://leg.colorado.gov/bill_files/115495/download)
5. **Rerevised** (committee substitute) — [source](https://leg.colorado.gov/bill_files/116238/download)
6. **Revised** (committee substitute) — [source](https://leg.colorado.gov/bill_files/116211/download)
7. **Signed Act** (committee substitute) — [source](https://leg.colorado.gov/bill_files/116828/download)

## Votes

- BILL — **pass** (pass) · lower
- Refer Senate Bill 26-171 to the Committee of the Whole and with a recommendation that it be placed on the consent calendar. — **pass** (pass) · upper
- Refer Senate Bill 26-171 to the Committee of the Whole. — **pass** (pass) · upper

## Sponsors

- K. Wallace — primary (person)
- L. Cutter — primary (person)
- L. Smith — primary (person)
- M. Lukens — primary (person)
- B. Titone — cosponsor (person)
- I. Jodeh — cosponsor (person)
- J. Amabile — cosponsor (person)
- J. Coleman — cosponsor (person)
- J. McCluskie — cosponsor (person)
- L. Goldstein — cosponsor (person)
- M. Duran — cosponsor (person)
- N. Ricks — cosponsor (person)
- T. Exum — cosponsor (person)
- T. Story — cosponsor (person)

## Timeline

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

- **2026-05-29** Governor Signed `executive-signature`
- **2026-05-20** Sent to the Governor `executive-receipt`
- **2026-05-20** Signed by the Speaker of the House `passage`
- **2026-05-20** Signed by the President of the Senate `passage`
- **2026-05-09** House Third Reading Passed - No Amendments `passage, reading-3`
- **2026-05-08** House Second Reading Special Order - Passed - No Amendments
- **2026-05-07** House Committee on Energy & Environment Refer Unamended to House Committee of the Whole `committee-passage, referral-committee`
- **2026-04-30** Introduced In House - Assigned to Energy & Environment `introduction`
- **2026-04-30** Senate Third Reading Passed - No Amendments `passage, reading-3`
- **2026-04-29** Senate Second Reading Special Order - Passed - No Amendments
- **2026-04-27** Senate Committee on Transportation & Energy Refer Unamended - Consent Calendar to Senate Committee of the Whole `committee-passage`
- **2026-04-20** 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/587efb0b-0983-4b6d-ac77-92883f1e638a`. Confidence: reported (aggregated from official Colorado legislature records).