---
type: "Bill"
title: "Provide categorical exclusions from MEPA"
description: "Provide categorical exclusions from MEPA"
jurisdiction: "us/states/mt"
legislature: "Montana Legislature"
session: "2025"
identifier: "HB 466"
citation: "Montana HB 466 (2025)"
classification: ["bill"]
subjects: ["Environmental Protection", "Recreation", "State Government"]
status: "enacted"
primary_sponsors: ["John Fitzpatrick"]
version_count: 36
action_count: 47
vote_count: 6
first_action: "2024-11-14T20:50:40+00:00"
last_action: "2025-05-05T16:13:56+00:00"
source: "openstates"
source_identifier: "ocd-bill/69439c87-2ccb-49df-bdb9-0c163ef8f4a4"
source_url: "https://bills.legmt.gov/#/laws/bill/2/LC1423?open_tab=sum"
source_hash: "8a854774267a050bab2e020ec64739741fda28d1d5e8e9516585003c227d72e0"
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-mt"]
---

# Montana HB 466 (2025) — Provide categorical exclusions from MEPA

## Version chain

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

1. **HB0466.001.001_Amendments-in-Context_final-full(1).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=294621)
2. **HB0466.001.001_Amendments-in-Context_final-full.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=288294)
3. **HB0466.001.002_Amendments-in-Context_final-full(1).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=294624)
4. **HB0466.001.002_Amendments-in-Context_final-full.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=288152)
5. **HB0466.001.003_Amendments-in-Context_final-full(1).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=294623)
6. **HB0466.001.003_Amendments-in-Context_final-full.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=288156)
7. **HB0466.001.004_Amendments-in-Context_final-full(1).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=294622)
8. **HB0466.001.004_Amendments-in-Context_final-full.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=288159)
9. **HB0466.001.005_Amendments-in-Context_final-full.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=289083)
10. **HB0466_1(1).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=282043)
11. **HB0466_1(2).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=289172)
12. **HB0466_1(3).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=289173)
13. **HB0466_1(4).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=289174)
14. **HB0466_1(5).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=289175)
15. **HB0466_1.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=281350)
16. **HB0466_2(1).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=289177)
17. **HB0466_2(10).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=309978)
18. **HB0466_2(11).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=309980)
19. **HB0466_2(2).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=289182)
20. **HB0466_2(3).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=289183)
21. **HB0466_2(4).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=289218)
22. **HB0466_2(5).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=289222)
23. **HB0466_2(6).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=289224)
24. **HB0466_2(7).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=289231)
25. **HB0466_2(8).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=292272)
26. **HB0466_2(9).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=307656)
27. **HB0466_2.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=289176)
28. **HB0466_X(1).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=316991)
29. **HB0466_X(2).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=320560)
30. **HB0466_X(3).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=321517)
31. **HB0466_X(4).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=321518)
32. **HB0466_X(5).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=321519)
33. **HB0466_X(6).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=324670)
34. **HB0466_X(7).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=326183)
35. **HB0466_X.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=311097)
36. **LC1423.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=278183)

## Votes

- Do Concur — **38–8** (pass) · upper
- Do Concur — **38–10** (pass) · upper
- Do Pass — **94–5** (pass) · lower
- Do Pass — **99–0** (pass) · lower
- do_pass_as_amended — **14–0** (pass) · lower
- be_concurred_in — **9–2** (pass) · upper

## Sponsors

- John Fitzpatrick — primary (person)

## Timeline

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

- **2024-11-14T20:50:40+00:00** (LC) Drafter Assigned
- **2024-11-14T20:50:40+00:00** (LC) Draft On Hold
- **2025-01-09T16:08:29+00:00** (LC) Draft Taken Off Hold
- **2025-01-29T17:57:44+00:00** (LC) Draft in Legal Review
- **2025-01-29T20:13:17+00:00** (LC) Draft in Edit
- **2025-02-03T16:31:28+00:00** (LC) Draft in Input/Proofing
- **2025-02-04T15:38:40+00:00** (LC) Draft in Final Drafter Review
- **2025-02-04T19:21:59+00:00** (LC) Draft in Assembly
- **2025-02-05T14:22:49+00:00** (LC) Draft Ready for Delivery
- **2025-02-07T15:31:00+00:00** (LC) Drafter Assigned
- **2025-02-08T22:47:46+00:00** (LC) Draft in Edit
- **2025-02-11T17:43:39+00:00** (LC) Draft in Input/Proofing
- **2025-02-11T21:28:09+00:00** (LC) Draft in Final Drafter Review
- **2025-02-11T22:50:18+00:00** (LC) Draft in Assembly
- **2025-02-12T16:02:39+00:00** (LC) Draft Ready for Delivery
- **2025-02-12T19:12:50+00:00** (LC) Draft Delivered to Requester
- **2025-02-12T19:16:00+00:00** (H) Introduced
- **2025-02-12T19:17:00+00:00** (H) Fiscal Note Requested
- **2025-02-13T18:06:48+00:00** (H) Referred to Committee - (H) Natural Resources `referral-committee`
- **2025-02-13T19:41:47+00:00** (H) First Reading `reading-1`
- **2025-02-14T01:17:24+00:00** (H) Hearing - (H) Natural Resources
- **2025-02-22T16:14:59+00:00** (H) Fiscal Note Received `receipt`
- **2025-02-22T16:40:52+00:00** (H) Fiscal Note Signed
- **2025-02-22T21:44:00+00:00** (H) Fiscal Note Printed
- **2025-02-27T03:26:58+00:00** (H) Committee Executive Action--Bill Passed as Amended - (H) Natural Resources `committee-passage`
- **2025-02-27T20:10:00+00:00** (H) Committee Report--Bill Passed as Amended - (H) Natural Resources `committee-passage`
- **2025-03-03T20:00:00+00:00** (H) Scheduled for 2nd Reading `reading-2`
- **2025-03-04T00:12:00+00:00** (H) 2nd Reading Passed `reading-2, reading-2`
- **2025-03-04T20:00:00+00:00** (H) Scheduled for 3rd Reading `reading-3`
- **2025-03-04T20:16:00+00:00** (H) 3rd Reading Passed `passage, reading-3`
- **2025-03-04T21:23:57+00:00** (H) Transmitted to Senate
- **2025-03-05T15:06:00+00:00** (S) First Reading `reading-1`
- **2025-03-05T15:28:22+00:00** (S) Referred to Committee - (S) Natural Resources `referral-committee`
- **2025-04-01T00:47:05+00:00** (S) Hearing - (S) Natural Resources
- **2025-04-09T23:37:20+00:00** (S) Committee Executive Action--Bill Concurred - (S) Natural Resources
- **2025-04-10T17:06:00+00:00** (S) Committee Report--Bill Concurred - (S) Natural Resources
- **2025-04-12T15:00:00+00:00** (S) Scheduled for 2nd Reading `reading-2`
- **2025-04-12T18:49:00+00:00** (S) 2nd Reading Concurred `reading-2, reading-2`
- **2025-04-14T16:00:00+00:00** (S) Scheduled for 3rd Reading `reading-3`
- **2025-04-14T17:57:00+00:00** (S) 3rd Reading Concurred `passage, reading-3`
- **2025-04-14T17:57:23+00:00** (H) Sent to Enrolling
- **2025-04-15T16:16:31+00:00** (H) Returned from Enrolling
- **2025-04-18T19:00:46+00:00** (H) Signed by Speaker `passage`
- **2025-04-22T00:00:24+00:00** (S) Signed by President `passage`
- **2025-04-22T18:10:24+00:00** (H) Transmitted to Governor `executive-receipt`
- **2025-05-01T21:14:29+00:00** (H) Signed by Governor `executive-signature`
- **2025-05-05T16:13:56+00:00** Chapter Number Assigned `became-law`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/69439c87-2ccb-49df-bdb9-0c163ef8f4a4`. Confidence: reported (aggregated from official Montana legislature records).