---
type: "Bill"
title: "Department of the Environment - Definition of Ecological Restoration"
description: "Department of the Environment - Definition of Ecological Restoration"
jurisdiction: "us/states/md"
legislature: "Maryland General Assembly"
session: "2025"
identifier: "HB 1155"
citation: "Maryland HB 1155 (2025)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Stein"]
version_count: 3
action_count: 15
vote_count: 3
first_action: "2025-02-06"
last_action: "2025-05-06"
source: "openstates"
source_identifier: "ocd-bill/1a725b0b-e597-4fdd-9b75-1ba9d685755b"
source_url: "http://mgaleg.maryland.gov/mgawebsite/Legislation/Details/hb1155?ys=2025RS&search=True"
source_hash: "719b12c93cd7392dae83fca04f7c7681e2283e4e962f8c54301e0b8c39831f6f"
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-md"]
---

# Maryland HB 1155 (2025) — Department of the Environment - Definition of Ecological Restoration

## Version chain

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

1. **Chapter - Department of the Environment - Definition of Ecological Restoration** (committee substitute) — [source](http://mgaleg.maryland.gov/2025RS/Chapters_noln/CH_330_hb1155t.pdf)
2. **First - Department of the Environment - Ecological Restoration** (committee substitute) — [source](http://mgaleg.maryland.gov/2025RS/bills/hb/hb1155f.pdf)
3. **Third - Department of the Environment - Definition of Ecological Restoration** (committee substitute) — [source](http://mgaleg.maryland.gov/2025RS/bills/hb/hb1155t.pdf)

## Votes

- On Third Reading — **138–0** (pass) · lower
- On Third Reading — **44–0** (pass) · upper
- FLA Del. Fisher /503326/1 — **40–95** (fail) · lower

## Sponsors

- Stein — primary (person)

## Timeline

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

- **2025-02-06** First Reading Environment and Transportation `referral-committee`
- **2025-02-07** Hearing 2/26 at 1:00 p.m.
- **2025-03-12** Favorable with Amendments Report by Environment and Transportation `committee-passage-favorable`
- **2025-03-13** Favorable with Amendments { `committee-passage-favorable`
- **2025-03-13** Motion Special Order until Next Session (Delegate Fisher) Adopted
- **2025-03-15** Floor Amendment {
- **2025-03-15** Second Reading Passed with Amendments
- **2025-03-17** Third Reading Passed `passage`
- **2025-03-17** Referred Education, Energy, and the Environment `referral-committee`
- **2025-04-03** Favorable Report by Education, Energy, and the Environment `committee-passage-favorable`
- **2025-04-03** Favorable Adopted `committee-passage-favorable`
- **2025-04-03** Second Reading Passed
- **2025-04-04** Third Reading Passed `passage`
- **2025-04-05** Returned Passed
- **2025-05-06** Approved by the Governor - Chapter 330 `executive-signature`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/1a725b0b-e597-4fdd-9b75-1ba9d685755b`. Confidence: reported (aggregated from official Maryland legislature records).