---
type: "Bill"
title: "ENVIRONMENTAL CONTROL: To prohibit the intentional release, or dispersion of chemicals into the environment of this state with the express purpose of affecting temperature. (8/1/25)"
description: "ENVIRONMENTAL CONTROL: To prohibit the intentional release, or dispersion of chemicals into the environment of this state with the express purpose of affecting temperature. (8/1/25)"
jurisdiction: "us/states/la"
legislature: "Louisiana Legislature"
session: "2025"
identifier: "SB 46"
citation: "Louisiana SB 46 (2025)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Michael \"Big Mike\" Fesi"]
version_count: 9
action_count: 19
vote_count: 5
first_action: "2025-03-31"
last_action: "2025-06-08"
source: "openstates"
source_identifier: "ocd-bill/6f6847c0-32dc-4b4f-ac93-47681d4a15b9"
source_url: "https://www.legis.la.gov/Legis/BillInfo.aspx?i=248120"
source_hash: "7ceb513532fb1201efc5a33beac3b9e7531471048c7170084ea8c6fba8e29056"
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 SB 46 (2025) — ENVIRONMENTAL CONTROL: To prohibit the intentional release, or dispersion of chemicals into the environment of this state with the express purpose of affecting temperature. (8/1/25)

## Version chain

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

1. **SB46 Original** (filed) — [source](https://www.legis.la.gov/Legis/ViewDocument.aspx?d=1400590)
2. **House Committee Amendment, #3174, NATR, Draft** (committee substitute) — [source](https://www.legis.la.gov/Legis/ViewDocument.aspx?d=1416294)
3. **House Committee Amendment, #3238, NATR, Adopted** (committee substitute) — [source](https://www.legis.la.gov/Legis/ViewDocument.aspx?d=1416508)
4. **House Floor Amendment, #3626, Coates, Adopted** (committee substitute) — [source](https://www.legis.la.gov/Legis/ViewDocument.aspx?d=1418698)
5. **SB46 Act** (committee substitute) — [source](https://www.legis.la.gov/Legis/ViewDocument.aspx?d=1424916)
6. **SB46 Engrossed** (committee substitute) — [source](https://www.legis.la.gov/Legis/ViewDocument.aspx?d=1407186)
7. **Senate Committee Amendment, #636, ENVQ, Draft** (committee substitute) — [source](https://www.legis.la.gov/Legis/ViewDocument.aspx?d=1406533)
8. **Senate Committee Amendment, #715, ENVQ, Adopted** (committee substitute) — [source](https://www.legis.la.gov/Legis/ViewDocument.aspx?d=1407047)
9. **SB46 Enrolled** (enrolled) — [source](https://www.legis.la.gov/Legis/ViewDocument.aspx?d=1420010)

## Votes

- MODIFY TIME LIMITS (#725) — **21–55** (fail) · lower
- CO-AUTHORS (#65) — **2–0** (fail) · upper
- CONCUR (#511) — **35–0** (pass) · upper
- FINAL PASSAGE (#64) — **27–12** (pass) · upper
- FINAL PASSAGE (#726) — **58–33** (pass) · lower

## Sponsors

- Michael "Big Mike" Fesi — primary (person)
- Beryl Amedee — cosponsor (person)
- Charles Owen — cosponsor (person)
- Danny McCormick — cosponsor (person)
- Dodie Horton — cosponsor (person)
- Heather Cloud — cosponsor (person)
- Kathy Edmonston — cosponsor (person)
- Kellee Dickerson — cosponsor (person)
- Kimberly Coates — cosponsor (person)
- Marcus Bryant — cosponsor (person)
- Mike Bayham — cosponsor (person)
- Peter Egan — cosponsor (person)
- Raymond Crews — cosponsor (person)
- Rodney Schamerhorn — cosponsor (person)
- Valarie Hodges — cosponsor (person)

## Timeline

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

- **2025-06-08** Effective date 8/1/2025.
- **2025-06-08** Signed by the Governor. Becomes Act No. 95. `became-law, executive-signature`
- **2025-06-03** Sent to the Governor by the Secretary of the Senate. `executive-receipt`
- **2025-06-03** Signed by the Speaker of the House.
- **2025-06-02** Enrolled. Signed by the President of the Senate. `enrolled`
- **2025-06-01** Amendments proposed by the House read and concurred in by a vote of 35 yeas and 0 nays.
- **2025-05-29** Received from the House with amendments. `receipt`
- **2025-05-29** Read third time by title, amended, roll called on final passage, yeas 58, nays 33. Finally passed, ordered to the Senate. `passage`
- **2025-05-28** Scheduled for floor debate on 05/29/2025.
- **2025-05-22** Read by title, amended, passed to 3rd reading. `reading-3`
- **2025-05-21** Reported without Legislative Bureau amendments.
- **2025-05-20** Reported with amendments (12-0). Referred to the Legislative Bureau. `committee-passage-favorable`
- **2025-04-29** Read by title, under the rules, referred to the Committee on Natural Resources and Environment. `referral-committee`
- **2025-04-28** Received in the House from the Senate, read by title, lies over under the rules.
- **2025-04-28** Read by title, passed by a vote of 27 yeas and 12 nays, and sent to the House. Motion to reconsider tabled. `passage`
- **2025-04-23** Read by title. Committee amendments read and adopted. Ordered engrossed and passed to third reading and final passage.
- **2025-04-22** Reported with amendments. `committee-passage-favorable`
- **2025-04-14** Introduced in the Senate; read by title. Rules suspended. Read second time and referred to the Committee on Environmental Quality. `referral-committee`
- **2025-03-31** Prefiled and under the rules provisionally referred to the Committee on Environmental Quality. `filing, referral-committee`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/6f6847c0-32dc-4b4f-ac93-47681d4a15b9`. Confidence: reported (aggregated from official Louisiana legislature records).