---
type: "Bill"
title: "Direct DEQ to allow the installation of certain new septic systems"
description: "Direct DEQ to allow the installation of certain new septic systems"
jurisdiction: "us/states/mt"
legislature: "Montana Legislature"
session: "2023"
identifier: "HB 592"
citation: "Montana HB 592 (2023)"
classification: ["bill"]
subjects: ["Administrative Rules; Revision or Repeal", "Dams (same as: Water)", "Environmental Protection", "Property"]
status: "enacted"
primary_sponsors: ["Jedediah Hinkle"]
version_count: 5
action_count: 48
vote_count: 6
first_action: "2022-11-30T22:09:57+00:00"
last_action: "2023-05-19T17:04:55+00:00"
source: "openstates"
source_identifier: "ocd-bill/b1106999-85c2-403f-8563-d0170a449077"
source_url: "https://bills.legmt.gov/#/bill/20231/LC1892"
source_hash: "faf8ef3c16c069d3fa0091cea419a42cf4b9760f7faec48343b1364368d12cf7"
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 592 (2023) — Direct DEQ to allow the installation of certain new septic systems

## Version chain

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

1. **HB0592.001.001_Amendments-in-Context_final-condensed.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=9162)
2. **HB0592.001.001_Amendments-in-Context_final-full.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=9163)
3. **HB0592_1.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=9165)
4. **HB0592_2.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=9166)
5. **HB0592_X.pdf** (committee substitute) — [source](https://api.legmt.gov/docs/v1/documents/getContent?documentId=9164)

## Votes

- (H) Committee Executive Action--Bill Passed as Amended — **14–1** (pass) · lower
- (H) 2nd Reading Passed — **100–0** (pass) · lower
- (S) 3rd Reading Concurred — **50–0** (pass) · upper
- (S) 2nd Reading Concurred — **50–0** (pass) · upper
- (S) Committee Executive Action--Bill Concurred — **9–0** (pass) · upper
- (H) 3rd Reading Passed — **98–1** (pass) · lower

## Sponsors

- Jedediah Hinkle — primary (person)

## Timeline

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

- **2023-05-19T17:04:55+00:00** Chapter Number Assigned `became-law`
- **2023-05-18T23:17:41+00:00** (H) Signed by Governor `executive-signature`
- **2023-05-08T16:20:00+00:00** (H) Transmitted to Governor `executive-receipt`
- **2023-05-04T18:00:00+00:00** (S) Signed by President `passage`
- **2023-04-29T20:00:00+00:00** (H) Signed by Speaker `passage`
- **2023-04-23T19:11:48+00:00** (C) Printed - Enrolled Version Available `enrolled`
- **2023-04-23T19:11:47+00:00** (H) Returned from Enrolling
- **2023-04-20T15:18:29+00:00** (H) Sent to Enrolling
- **2023-04-19T02:41:00+00:00** (S) Returned to House
- **2023-04-18T22:09:00+00:00** (S) 3rd Reading Concurred `passage, reading-3`
- **2023-04-18T19:00:00+00:00** (S) Scheduled for 3rd Reading `reading-3`
- **2023-04-17T19:45:00+00:00** (S) 2nd Reading Concurred `reading-2, reading-2`
- **2023-04-17T16:00:00+00:00** (S) Scheduled for 2nd Reading `reading-2`
- **2023-04-13T19:38:00+00:00** (S) Committee Report--Bill Concurred
- **2023-04-12T21:00:00+00:00** (S) Committee Executive Action--Bill Concurred
- **2023-04-05T21:00:00+00:00** (S) Hearing
- **2023-03-23T19:16:09+00:00** (S) Hearing Canceled
- **2023-03-14T15:11:45+00:00** (S) Referred to Committee `referral-committee`
- **2023-03-10T00:14:13+00:00** (S) First Reading `reading-1`
- **2023-03-03T17:20:00+00:00** (H) Transmitted to Senate
- **2023-03-03T04:22:00+00:00** (H) 3rd Reading Passed `passage, reading-3`
- **2023-03-02T20:00:00+00:00** (H) Scheduled for 3rd Reading `reading-3`
- **2023-03-01T21:55:00+00:00** (H) 2nd Reading Passed `reading-2, reading-2`
- **2023-03-01T20:00:00+00:00** (H) Scheduled for 2nd Reading `reading-2`
- **2023-02-27T20:34:00+00:00** (H) Committee Report--Bill Passed as Amended `committee-passage`
- **2023-02-27T20:31:08+00:00** (C) Printed - New Version Available
- **2023-02-25T04:38:00+00:00** (H) Committee Executive Action--Bill Passed as Amended `committee-passage`
- **2023-02-24T22:00:08+00:00** (H) Hearing
- **2023-02-24T16:03:21+00:00** (C) Amendments Available
- **2023-02-18T00:45:02+00:00** (H) Hearing Canceled
- **2023-02-16T20:31:50+00:00** (H) First Reading `reading-1`
- **2023-02-16T17:56:09+00:00** (H) Referred to Committee `referral-committee`
- **2023-02-16T05:15:39+00:00** (C) Introduced Bill Text Available Electronically
- **2023-02-16T02:10:59+00:00** (H) Introduced
- **2023-02-15T19:45:05+00:00** (C) Draft Delivered to Requester
- **2023-02-13T19:23:35+00:00** (C) Draft Ready for Delivery
- **2023-02-13T17:47:58+00:00** (C) Executive Director Final Review
- **2023-02-13T17:47:53+00:00** (C) Draft Ready for Delivery
- **2023-02-13T16:15:10+00:00** (C) Draft in Assembly
- **2023-02-13T15:40:13+00:00** (C) Executive Director Review
- **2023-02-12T21:03:12+00:00** (C) Bill Draft Text Available Electronically
- **2023-02-12T21:03:11+00:00** (C) Draft in Final Drafter Review
- **2023-02-12T19:37:34+00:00** (C) Draft in Input/Proofing
- **2023-02-12T19:04:11+00:00** (C) Draft to Drafter - Edit Review
- **2023-02-10T17:36:21+00:00** (C) Draft in Edit
- **2023-02-09T15:08:56+00:00** (C) Draft in Legal Review
- **2023-02-07T18:09:59+00:00** (C) Draft to Requester for Review
- **2022-11-30T22:09:57+00:00** (C) Draft Request Received `receipt`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/b1106999-85c2-403f-8563-d0170a449077`. Confidence: reported (aggregated from official Montana legislature records).