Legislation: batch C — MO MS MT NC ND NE NH NJ NM NV

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

legislation/us/states/mt/2025/hb-180.md

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+---
+type: "Bill"
+title: "Revise sanitation in subdivision laws related to mixing zones"
+description: "Revise sanitation in subdivision laws related to mixing zones"
+jurisdiction: "us/states/mt"
+legislature: "Montana Legislature"
+session: "2025"
+identifier: "HB 180"
+citation: "Montana HB 180 (2025)"
+classification: ["bill"]
+subjects: ["Counties", "Environmental Protection", "Local Government", "Planning", "Water"]
+status: "enacted"
+primary_sponsors: ["Courtenay Sprunger"]
+version_count: 31
+action_count: 36
+vote_count: 6
+first_action: "2024-12-13T19:28:16+00:00"
+last_action: "2025-05-06T03:08:12+00:00"
+source: "openstates"
+source_identifier: "ocd-bill/9afb9e3a-aac8-4369-8000-f1a84df60deb"
+source_url: "https://bills.legmt.gov/#/laws/bill/2/LC3143?open_tab=sum"
+source_hash: "715a165b9de3385d20a2ec38239aca8962ed5c1e6a990f460a74b22ad9e00284"
+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 180 (2025) — Revise sanitation in subdivision laws related to mixing zones
+
+## Version chain
+
+The bill's text revisions, in order — the diff chain from filing to enrollment.
+
+1. **HB0180.001.001_Amendments-in-Context_final-full.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=273037)
+2. **HB0180_1(1).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=271191)
+3. **HB0180_1(10).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=276586)
+4. **HB0180_1(2).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=271192)
+5. **HB0180_1(3).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=271193)
+6. **HB0180_1(4).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=271195)
+7. **HB0180_1(5).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=274250)
+8. **HB0180_1(6).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=274251)
+9. **HB0180_1(7).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=274252)
+10. **HB0180_1(8).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=274253)
+11. **HB0180_1(9).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=275545)
+12. **HB0180_1.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=271002)
+13. **HB0180_2(1).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=274259)
+14. **HB0180_2(10).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=307768)
+15. **HB0180_2(11).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=307772)
+16. **HB0180_2(2).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=274263)
+17. **HB0180_2(3).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=274310)
+18. **HB0180_2(4).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=274311)
+19. **HB0180_2(5).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=274312)
+20. **HB0180_2(6).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=275556)
+21. **HB0180_2(7).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=276597)
+22. **HB0180_2(8).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=277912)
+23. **HB0180_2(9).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=296858)
+24. **HB0180_2.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=274256)
+25. **HB0180_X(1).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=316809)
+26. **HB0180_X(2).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=320385)
+27. **HB0180_X(3).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=324609)
+28. **HB0180_X(4).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=326749)
+29. **HB0180_X(5).pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=327760)
+30. **HB0180_X.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=310869)
+31. **LC3143.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=270281)
+
+## Votes
+
+- Do Concur — **49–0** (pass) · upper
+- do_pass_as_amended — **17–0** (pass) · lower
+- be_concurred_in — **11–0** (pass) · upper
+- Do Pass — **100–0** (pass) · lower
+- Do Concur — **49–0** (pass) · upper
+- Do Pass — **99–0** (pass) · lower
+
+## Sponsors
+
+- Courtenay Sprunger — primary (person)
+
+## Timeline
+
+The legislative action history — every referral, reading, and vote.
+
+- **2024-12-13T19:28:16+00:00** (LC) Drafter Assigned
+- **2025-01-08T00:12:53+00:00** (LC) Draft in Legal Review
+- **2025-01-08T18:13:39+00:00** (LC) Draft in Edit
+- **2025-01-08T23:13:58+00:00** (LC) Draft in Input/Proofing
+- **2025-01-09T15:04:36+00:00** (LC) Draft in Final Drafter Review
+- **2025-01-10T03:40:52+00:00** (LC) Draft in Assembly
+- **2025-01-10T23:36:09+00:00** (LC) Draft Ready for Delivery
+- **2025-01-13T16:43:38+00:00** (LC) Draft Delivered to Requester
+- **2025-01-13T17:26:31+00:00** (H) Introduced
+- **2025-01-13T18:44:02+00:00** (H) Referred to Committee - (H) Local Government `referral-committee`
+- **2025-01-13T20:15:34+00:00** (H) First Reading `reading-1`
+- **2025-01-15T00:29:16+00:00** (H) Hearing - (H) Local Government
+- **2025-01-23T23:00:24+00:00** (H) Committee Executive Action--Bill Passed as Amended - (H) Local Government `committee-passage`
+- **2025-01-23T23:07:31+00:00** (H) Committee Executive Action--Bill Passed as Amended - (H) Local Government `committee-passage`
+- **2025-01-24T20:29:55+00:00** (H) Committee Report--Bill Passed as Amended - (H) Local Government `committee-passage`
+- **2025-01-30T20:00:00+00:00** (H) Scheduled for 2nd Reading `reading-2`
+- **2025-01-30T20:42:00+00:00** (H) 2nd Reading Passed `reading-2, reading-2`
+- **2025-01-31T20:00:00+00:00** (H) Scheduled for 3rd Reading `reading-3`
+- **2025-01-31T21:33:00+00:00** (H) 3rd Reading Passed `passage, reading-3`
+- **2025-01-31T21:49:07+00:00** (H) Transmitted to Senate
+- **2025-02-03T20:19:39+00:00** (S) First Reading `reading-1`
+- **2025-02-18T19:01:49+00:00** (S) Referred to Committee - (S) Local Government `referral-committee`
+- **2025-03-05T16:54:38+00:00** (S) Hearing - (S) Local Government
+- **2025-03-21T21:02:36+00:00** (S) Committee Executive Action--Bill Concurred - (S) Local Government
+- **2025-03-24T21:11:00+00:00** (S) Committee Report--Bill Concurred - (S) Local Government
+- **2025-04-08T19:00:00+00:00** (S) Scheduled for 2nd Reading `reading-2`
+- **2025-04-08T19:54:00+00:00** (S) 2nd Reading Concurred `reading-2, reading-2`
+- **2025-04-09T19:00:00+00:00** (S) Scheduled for 3rd Reading `reading-3`
+- **2025-04-09T19:25:00+00:00** (S) 3rd Reading Concurred `passage, reading-3`
+- **2025-04-09T19:25:50+00:00** (H) Sent to Enrolling
+- **2025-04-10T23:33:07+00:00** (H) Returned from Enrolling
+- **2025-04-18T21:00:00+00:00** (H) Signed by Speaker `passage`
+- **2025-04-22T13:30:24+00:00** (S) Signed by President `passage`
+- **2025-04-22T18:10:24+00:00** (H) Transmitted to Governor `executive-receipt`
+- **2025-05-01T21:01:00+00:00** (H) Signed by Governor `executive-signature`
+- **2025-05-06T03:08:12+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/9afb9e3a-aac8-4369-8000-f1a84df60deb`. Confidence: reported (aggregated from official Montana legislature records).
+