---
type: "Bill"
title: "Enacts provisions relating to environmental regulation"
description: "Enacts provisions relating to environmental regulation"
jurisdiction: "us/states/mo"
legislature: "Missouri General Assembly"
session: "2022"
identifier: "HB 2485"
citation: "Missouri HB 2485 (2022)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Knight, Jeff"]
version_count: 8
action_count: 55
vote_count: 7
first_action: "2022-01-19T06:00:00+00:00"
last_action: "2022-07-01T05:00:00+00:00"
source: "openstates"
source_identifier: "ocd-bill/f2bd526b-b954-4336-9be1-11067a89378d"
source_url: "http://www.house.mo.gov/BillActions.aspx?bill=HB2485&year=2022&code=R"
source_hash: "d217f7088915a43597a91da0504cec9b6dd161bbbe53ec9193ba27cdebed32ae"
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-mo"]
---

# Missouri HB 2485 (2022) — Enacts provisions relating to environmental regulation

## Version chain

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

1. **Introduced** (filed) — [source](http://www.house.mo.gov/billtracking/bills221/hlrbillspdf/5077H.01I.pdf)
2. **Amendment 5077H04.01H (Adopted)** (committee substitute) — [source](http://www.house.mo.gov/billtracking/bills221/amendpdf/5077H04.01H.pdf)
3. **Amendment R** (committee substitute) — [source](http://www.house.mo.gov/billtracking/bills221/rollcalls/042.003.pdf)
4. **Committee** (committee substitute) — [source](http://www.house.mo.gov/billtracking/bills221/hlrbillspdf/5077H.04C.pdf)
5. **Perfected** (committee substitute) — [source](http://www.house.mo.gov/billtracking/bills221/hlrbillspdf/5077H.04P.pdf)
6. **Senate Comm Sub** (committee substitute) — [source](http://www.house.mo.gov/billtracking/bills221/hlrbillspdf/5077S.05C.pdf)
7. **Senate Substitute** (committee substitute) — [source](http://www.house.mo.gov/billtracking/bills221/hlrbillspdf/5077S.06F.pdf)
8. **Truly Agreed** (committee substitute) — [source](http://www.house.mo.gov/billtracking/bills221/hlrbillspdf/5077S.06T.pdf)

## Votes

- House Adopts (H) - SS SCS — **pass** (pass) · lower
- Third Read and Passed (H) - — **pass** (pass) · lower
- Truly Agreed To and Finally Passed - — **pass** (pass) · lower
- Reported Do Pass (H) - — **pass** (pass) · lower
- HCS Reported Do Pass (H) - — **pass** (pass) · lower
- Third Read and Passed (S) - — **pass** (pass) · upper
- Reported Do Pass (H) - — **pass** (pass) · lower

## Sponsors

- Knight, Jeff — primary (person)

## Timeline

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

- **2022-01-19T06:00:00+00:00** Introduced and Read First Time (H) `introduction`
- **2022-01-20T06:00:00+00:00** Read Second Time (H) `reading-2`
- **2022-01-27T06:00:00+00:00** Referred: Economic Development(H) `referral-committee`
- **2022-02-24T06:00:00+00:00** Public Hearing Completed (H)
- **2022-03-03T06:00:00+00:00** Executive Session Completed (H)
- **2022-03-03T06:00:00+00:00** HCS Voted Do Pass (H) `committee-passage`
- **2022-03-08T06:00:00+00:00** HCS Reported Do Pass (H) - AYES: 6 NOES: 3 PRESENT: 0 `committee-passage`
- **2022-03-08T06:00:00+00:00** Referred: Rules - Legislative Oversight(H) `referral-committee`
- **2022-03-09T06:00:00+00:00** Executive Session Completed (H)
- **2022-03-09T06:00:00+00:00** Voted Do Pass (H) `committee-passage`
- **2022-03-10T06:00:00+00:00** Reported Do Pass (H) - AYES: 6 NOES: 3 PRESENT: 0 `committee-passage`
- **2022-03-23T05:00:00+00:00** Placed on the Informal Perfection Calendar (H)
- **2022-03-29T05:00:00+00:00** Taken Up for Perfection (H)
- **2022-03-29T05:00:00+00:00** Title of Bill - Agreed To
- **2022-03-29T05:00:00+00:00** HCS Adopted (H)
- **2022-03-29T05:00:00+00:00** Perfected with Amendments (H) - HA 1, adopted.
- **2022-04-04T05:00:00+00:00** Taken Up for Third Reading (H) `reading-3`
- **2022-04-04T05:00:00+00:00** Third Read and Passed (H) - AYES: 99 NOES: 39 PRESENT: 0 `passage, reading-3`
- **2022-04-04T05:00:00+00:00** Reported to the Senate and First Read (S) `reading-1`
- **2022-04-05T05:00:00+00:00** Second read and referred: Commerce, Consumer Protection, Energy and the Environment(S)
- **2022-04-07T05:00:00+00:00** Public Hearing Scheduled (S) - Wednesday, April 13, 2022, 8:00 a.m., Senate Lounge.
- **2022-04-13T05:00:00+00:00** Public Hearing Held (S)
- **2022-04-21T05:00:00+00:00** Executive Session Scheduled - Wednesday, April 27, 2022, 8:30 a.m., Senate Lounge.
- **2022-04-27T05:00:00+00:00** Executive Session Held (S)
- **2022-04-27T05:00:00+00:00** SCS Voted Do Pass (S) `committee-passage`
- **2022-04-27T05:00:00+00:00** SCS Reported Do Pass (S) `committee-passage`
- **2022-05-05T05:00:00+00:00** Taken Up for Third Reading (S) `reading-3`
- **2022-05-05T05:00:00+00:00** SS Offered `introduction`
- **2022-05-05T05:00:00+00:00** SS Adopted (S)
- **2022-05-05T05:00:00+00:00** Placed on Informal Calendar
- **2022-05-05T05:00:00+00:00** Taken Up
- **2022-05-05T05:00:00+00:00** Third Read and Passed (S) - AYES: 21 NOES: 11 PRESENT: 0 `passage, reading-3`
- **2022-05-06T05:00:00+00:00** Reported to the House with... (H) - SS
- **2022-05-06T05:00:00+00:00** Referred: Fiscal Review(H) `referral-committee`
- **2022-05-06T05:00:00+00:00** Executive Session Completed (H)
- **2022-05-06T05:00:00+00:00** Voted Do Pass (H) `committee-passage`
- **2022-05-09T05:00:00+00:00** Reported Do Pass (H) - AYES: 5 NOES: 2 PRESENT: 0 `committee-passage`
- **2022-05-10T05:00:00+00:00** Taken Up
- **2022-05-10T05:00:00+00:00** House Refuses to Adopt, Requests Senate to Recede or Grant Conference (H)
- **2022-05-10T05:00:00+00:00** House Message (H)
- **2022-05-10T05:00:00+00:00** Senate Refuses to Recede, Grants Conference (S)
- **2022-05-10T05:00:00+00:00** Senate Conference Committee Appointed (S) - SENATORS O'LAUGHLIN, BROWN, BURLISON, SCHUPP, ARTHUR
- **2022-05-10T05:00:00+00:00** Senate Message (S)
- **2022-05-10T05:00:00+00:00** House Conference Committee Appointed (H) - REPRESENTATIVES KNIGHT, HOUX, TAYLOR(139), COLLINS, YOUNG
- **2022-05-10T05:00:00+00:00** House Message (H)
- **2022-05-13T05:00:00+00:00** Taken Up
- **2022-05-13T05:00:00+00:00** Conference Committee Dissolved
- **2022-05-13T05:00:00+00:00** House Adopts (H) - SS SCS AYES: 101 NOES: 45 PRESENT: 0
- **2022-05-13T05:00:00+00:00** Truly Agreed To and Finally Passed - AYES: 100 NOES: 45 PRESENT: 1 `passage`
- **2022-05-18T05:00:00+00:00** House Message (H)
- **2022-05-18T05:00:00+00:00** Signed by House Speaker (H)
- **2022-05-18T05:00:00+00:00** Signed by President Pro Tem (S)
- **2022-05-18T05:00:00+00:00** Delivered to Governor
- **2022-07-01T05:00:00+00:00** Approved by Governor (G) `executive-signature`
- **2022-07-01T05:00:00+00:00** Delivered to Secretary of State (G)

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/f2bd526b-b954-4336-9be1-11067a89378d`. Confidence: reported (aggregated from official Missouri legislature records).