---
type: "Bill"
title: "SEWERAGE: Requires signage for wetland assimilation projects"
description: "SEWERAGE: Requires signage for wetland assimilation projects"
jurisdiction: "us/states/la"
legislature: "Louisiana Legislature"
session: "2024"
identifier: "HB 474"
citation: "Louisiana HB 474 (2024)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Kimberly Coates"]
version_count: 6
action_count: 19
vote_count: 2
first_action: "2024-02-29"
last_action: "2024-06-03"
source: "openstates"
source_identifier: "ocd-bill/1ab48d51-a3ba-45ef-aaba-d14775a06fa1"
source_url: "https://www.legis.la.gov/Legis/BillInfo.aspx?i=246197"
source_hash: "b935933537f1a8542f0f0dbcf379f917a0bb26f8605a99e2fe5b2cc0ee53d73d"
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-la"]
---

# Louisiana HB 474 (2024) — SEWERAGE: Requires signage for wetland assimilation projects

## Version chain

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

1. **HB474 Original** (filed) — [source](https://www.legis.la.gov/Legis/ViewDocument.aspx?d=1350941)
2. **HB474 Act** (committee substitute) — [source](https://www.legis.la.gov/Legis/ViewDocument.aspx?d=1381953)
3. **HB474 Engrossed** (committee substitute) — [source](https://www.legis.la.gov/Legis/ViewDocument.aspx?d=1368932)
4. **House Committee Amendment, #3660, NATR, Draft** (committee substitute) — [source](https://www.legis.la.gov/Legis/ViewDocument.aspx?d=1368764)
5. **House Committee Amendment, #3679, NATR, Adopted** (committee substitute) — [source](https://www.legis.la.gov/Legis/ViewDocument.aspx?d=1368836)
6. **HB474 Enrolled** (enrolled) — [source](https://www.legis.la.gov/Legis/ViewDocument.aspx?d=1378178)

## Votes

- FINAL PASSAGE (#786) — **98–1** (pass) · lower
- FINAL PASSAGE (#1111) — **36–0** (pass) · upper

## Sponsors

- Kimberly Coates — primary (person)

## Timeline

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

- **2024-06-03** Effective date: 08/01/2024.
- **2024-06-03** Becomes Act No. 473 without the Governor's signature. `became-law`
- **2024-05-28** Signed by the President of the Senate.
- **2024-05-24** Sent to the Governor for executive approval. `executive-receipt`
- **2024-05-24** Enrolled and signed by the Speaker of the House. `enrolled`
- **2024-05-22** Received from the Senate without amendments. `receipt`
- **2024-05-22** Rules suspended. Read by title, passed by a vote of 36 yeas and 0 nays, and ordered returned to the House. Motion to reconsider tabled. `passage`
- **2024-05-20** Reported without Legislative Bureau amendments. Read by title and passed to third reading and final passage. `reading-3`
- **2024-05-16** Read by title and referred to the Legislative Bureau.
- **2024-05-15** Reported favorably. `committee-passage-favorable`
- **2024-05-01** Read second time by title and referred to the Committee on Natural Resources. `reading-2, referral-committee`
- **2024-04-30** Received in the Senate. Rules suspended. Read first time by title and placed on the Calendar for a second reading. `reading-1`
- **2024-04-30** Read third time by title, roll called on final passage, yeas 98, nays 1. Finally passed, title adopted, ordered to the Senate. `passage`
- **2024-04-29** Scheduled for floor debate on 04/30/2024.
- **2024-04-25** Read by title, amended, ordered engrossed, passed to 3rd reading. `reading-3`
- **2024-04-24** Reported with amendments (11-0). `committee-passage-favorable`
- **2024-03-11** Read by title, under the rules, referred to the Committee on Natural Resources and Environment. `referral-committee`
- **2024-02-29** Under the rules, provisionally referred to the Committee on Natural Resources and Environment. `referral-committee`
- **2024-02-29** Prefiled. `filing`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/1ab48d51-a3ba-45ef-aaba-d14775a06fa1`. Confidence: reported (aggregated from official Louisiana legislature records).