---
type: "Bill"
title: "Chesapeake Bay Legacy Act"
description: "Chesapeake Bay Legacy Act"
jurisdiction: "us/states/md"
legislature: "Maryland General Assembly"
session: "2025"
identifier: "HB 506"
citation: "Maryland HB 506 (2025)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Administration", "Allen", "Amprey", "Behler", "Bhandari", "Boafo", "Boyce", "Cardin", "D. Jones", "Edelson", "Fennell", "Foley", "Guyton", "Harris", "Healey", "Hornberger", "J. Long", "Jackson", "Kerr", "Lehman", "Palakovich Carr", "Phillips", "R. Lewis", "Ruff", "Ruth", "Simpson", "Speaker", "Stein", "Taylor", "Terrasa", "Turner", "Vogel", "Williams", "Woods", "Woorman", "Ziegler"]
version_count: 4
action_count: 19
vote_count: 4
first_action: "2025-01-22"
last_action: "2025-05-13"
source: "openstates"
source_identifier: "ocd-bill/07a94002-82fd-45be-87e0-6f1efe9acd16"
source_url: "http://mgaleg.maryland.gov/mgawebsite/Legislation/Details/hb0506?ys=2025RS&search=True"
source_hash: "78675b956105df1f06bf5bd534f28588b9b25762957f9725a85cbd3492c1f0f8"
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 506 (2025) — Chesapeake Bay Legacy Act

## Version chain

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

1. **Chapter - Chesapeake Bay Legacy Act** (committee substitute) — [source](http://mgaleg.maryland.gov/2025RS/Chapters_noln/CH_430_hb0506e.pdf)
2. **Enrolled - Chesapeake Bay Legacy Act** (committee substitute) — [source](http://mgaleg.maryland.gov/2025RS/bills/hb/hb0506e.pdf)
3. **First - Chesapeake Bay Legacy Act** (committee substitute) — [source](http://mgaleg.maryland.gov/2025RS/bills/hb/hb0506f.pdf)
4. **Third - Chesapeake Bay Legacy Act** (committee substitute) — [source](http://mgaleg.maryland.gov/2025RS/bills/hb/hb0506t.pdf)

## Votes

- On Third Reading (Amend) — **46–0** (pass) · upper
- Floor Amendment Hershey /283925/1 — **16–26** (fail) · upper
- On Third Reading — **113–26** (pass) · lower
- On Third Reading and Final Passage (Hse concurred) — **117–21** (pass) · lower

## Sponsors

- Administration — primary (person)
- Allen — primary (person)
- Amprey — primary (person)
- Behler — primary (person)
- Bhandari — primary (person)
- Boafo — primary (person)
- Boyce — primary (person)
- Cardin — primary (person)
- D. Jones — primary (person)
- Edelson — primary (person)
- Fennell — primary (person)
- Foley — primary (person)
- Guyton — primary (person)
- Harris — primary (person)
- Healey — primary (person)
- Hornberger — primary (person)
- J. Long — primary (person)
- Jackson — primary (person)
- Kerr — primary (person)
- Lehman — primary (person)
- Palakovich Carr — primary (person)
- Phillips — primary (person)
- R. Lewis — primary (person)
- Ruff — primary (person)
- Ruth — primary (person)
- Simpson — primary (person)
- Speaker — primary (person)
- Stein — primary (person)
- Taylor — primary (person)
- Terrasa — primary (person)
- Turner — primary (person)
- Vogel — primary (person)
- Williams — primary (person)
- Woods — primary (person)
- Woorman — primary (person)
- Ziegler — primary (person)

## Timeline

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

- **2025-01-22** First Reading Environment and Transportation `referral-committee`
- **2025-02-10** Hearing 3/06 at 1:00 p.m.
- **2025-03-15** Favorable with Amendments Report by Environment and Transportation `committee-passage-favorable`
- **2025-03-15** Favorable with Amendments { `committee-passage-favorable`
- **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`
- **2025-03-28** Favorable Report by Education, Energy, and the Environment `committee-passage-favorable`
- **2025-03-28** Favorable `committee-passage-favorable`
- **2025-03-28** Motion Special Order until 3/31 (Senator Hershey) Adopted
- **2025-04-01** Favorable Adopted `committee-passage-favorable`
- **2025-04-01** Floor Amendment {
- **2025-04-01** Floor Amendment {
- **2025-04-01** Second Reading Passed with Amendments
- **2025-04-02** Third Reading Passed `passage`
- **2025-04-03** House Concurs Senate Amendments
- **2025-04-03** Third Reading Passed `passage`
- **2025-04-03** Passed Enrolled
- **2025-05-13** Approved by the Governor - Chapter 430 `executive-signature`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/07a94002-82fd-45be-87e0-6f1efe9acd16`. Confidence: reported (aggregated from official Maryland legislature records).