---
type: "Bill"
title: "Environmental protection; sewage; exemption from domestic septage law; provide for portable toilets for farm laborers. Amends secs. 11701 & 11718 of 1994 PA 451 (MCL 324.11701 & 324.11718) & adds sec. 11721."
description: "Environmental protection; sewage; exemption from domestic septage law; provide for portable toilets for farm laborers. Amends secs. 11701 & 11718 of 1994 PA 451 (MCL 324.11701 & 324.11718) & adds sec. 11721."
jurisdiction: "us/states/mi"
legislature: "Michigan Legislature"
session: "2017-2018"
identifier: "HB 4438"
citation: "Michigan HB 4438 (2017-2018)"
classification: ["bill"]
subjects: ["Environmental protection: sewage", "Agriculture: other", "Labor: agricultural", "State agencies (existing): environmental quality", "State agencies (existing): agriculture and rural development"]
status: "enacted"
primary_sponsors: []
version_count: 5
action_count: 32
vote_count: 3
first_action: "2017-03-30T04:00:00+00:00"
last_action: "2018-08-15T04:00:00+00:00"
source: "openstates"
source_identifier: "ocd-bill/90adbe0c-0de0-4d1f-9122-59f8e52f36b2"
source_url: "http://legislature.mi.gov/doc.aspx?2017-HB-4438"
source_hash: "a58ce07ed998b0af2958769c35f7568a9e73e548b38c04190955da940bd38e59"
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-mi"]
---

# Michigan HB 4438 (2017-2018) — Environmental protection; sewage; exemption from domestic septage law; provide for portable toilets for farm laborers. Amends secs. 11701 & 11718 of 1994 PA 451 (MCL 324.11701 & 324.11718) & adds sec. 11721.

## Version chain

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

1. **As Passed by the House** (committee substitute) — [source](http://www.legislature.mi.gov/documents/2017-2018/billengrossed/House/htm/2017-HEBH-4438.htm)
2. **As Passed by the Senate** (committee substitute) — [source](http://www.legislature.mi.gov/documents/2017-2018/billengrossed/House/htm/2017-HEBS-4438.htm)
3. **House Concurred Bill** (committee substitute) — [source](http://www.legislature.mi.gov/documents/2017-2018/billconcurred/House/htm/2017-HCB-4438.htm)
4. **House Introduced Bill** (committee substitute) — [source](http://www.legislature.mi.gov/documents/2017-2018/billintroduced/House/htm/2017-HIB-4438.htm)
5. **Public Act** (committee substitute) — [source](http://www.legislature.mi.gov/documents/2017-2018/publicact/htm/2018-PA-0271.htm)

## Votes

- passed; given immediate effect Roll Call # 243 Yeas 82 Nays 25 — **82–25** (pass) · lower
- Roll Call # 536 Yeas 80 Nays 29 — **80–29** (pass) · lower
- PASSED; GIVEN IMMEDIATE EFFECT ROLL CALL # 415 YEAS 26 NAYS 10 EXCUSED 1 NOT VOTING 0 — **26–10** (pass) · upper

## Sponsors

- 71 — cosponsor (person)
- Tom Barrett — cosponsor (person)

## Timeline

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

- **2017-03-30T04:00:00+00:00** introduced by Representative Tom Barrett `introduction`
- **2017-03-30T04:00:00+00:00** read a first time `reading-1`
- **2017-03-30T04:00:00+00:00** referred to Committee on Agriculture `referral-committee`
- **2017-04-19T04:00:00+00:00** bill electronically reproduced 03/30/2017
- **2017-06-14T04:00:00+00:00** reported with recommendation with amendment(s) `committee-passage`
- **2017-06-14T04:00:00+00:00** referred to second reading
- **2017-06-20T04:00:00+00:00** read a second time `reading-2`
- **2017-06-20T04:00:00+00:00** amended
- **2017-06-20T04:00:00+00:00** placed on third reading
- **2017-06-20T04:00:00+00:00** placed on immediate passage
- **2017-06-20T04:00:00+00:00** read a third time `reading-3`
- **2017-06-20T04:00:00+00:00** passed; given immediate effect Roll Call # 243 Yeas 82 Nays 25 `passage`
- **2017-06-20T04:00:00+00:00** transmitted
- **2017-06-21T04:00:00+00:00** REFERRED TO COMMITTEE ON NATURAL RESOURCES `referral-committee`
- **2018-05-16T04:00:00+00:00** REPORTED FAVORABLY WITHOUT AMENDMENT `committee-passage`
- **2018-05-16T04:00:00+00:00** COMMITTEE RECOMMENDED IMMEDIATE EFFECT
- **2018-05-16T04:00:00+00:00** REFERRED TO COMMITTEE OF THE WHOLE `referral-committee`
- **2018-06-06T04:00:00+00:00** REPORTED BY COMMITTEE OF THE WHOLE FAVORABLY WITH SUBSTITUTE S-1 `committee-passage`
- **2018-06-06T04:00:00+00:00** SUBSTITUTE S-1 CONCURRED IN
- **2018-06-06T04:00:00+00:00** PLACED ON ORDER OF THIRD READING WITH SUBSTITUTE S-1
- **2018-06-07T04:00:00+00:00** PASSED; GIVEN IMMEDIATE EFFECT ROLL CALL # 415 YEAS 26 NAYS 10 EXCUSED 1 NOT VOTING 0 `passage`
- **2018-06-07T04:00:00+00:00** INSERTED FULL TITLE
- **2018-06-07T04:00:00+00:00** returned from Senate with substitute S-1 with immediate effect and full title
- **2018-06-07T04:00:00+00:00** laid over one day under the rules
- **2018-06-12T04:00:00+00:00** Senate substitute S-1 concurred in
- **2018-06-12T04:00:00+00:00** Roll Call # 536 Yeas 80 Nays 29
- **2018-06-12T04:00:00+00:00** full title agreed to
- **2018-06-12T04:00:00+00:00** bill ordered enrolled
- **2018-08-15T04:00:00+00:00** presented to the Governor 6/20/2018 @ 1:48 PM `executive-receipt`
- **2018-08-15T04:00:00+00:00** approved by the Governor 6/28/2018 @ 2:51 PM `executive-signature`
- **2018-08-15T04:00:00+00:00** filed with Secretary of State 6/29/2018 @ 9:14 AM
- **2018-08-15T04:00:00+00:00** assigned PA 271'18 with immediate effect

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/90adbe0c-0de0-4d1f-9122-59f8e52f36b2`. Confidence: reported (aggregated from official Michigan legislature records).