---
type: "Bill"
title: "Chesapeake and Atlantic Coastal Bays Critical Area Protection Program - Standards and Procedures"
description: "Chesapeake and Atlantic Coastal Bays Critical Area Protection Program - Standards and Procedures"
jurisdiction: "us/states/md"
legislature: "Maryland General Assembly"
session: "2026"
identifier: "HB 258"
citation: "Maryland HB 258 (2026)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: []
version_count: 3
action_count: 14
vote_count: 2
first_action: "2025-09-30"
last_action: "2026-04-28"
source: "openstates"
source_identifier: "ocd-bill/41f795bb-ef8a-4362-ae20-4d0fcb454b71"
source_url: "http://mgaleg.maryland.gov/mgawebsite/Legislation/Details/hb0258?ys=2026RS"
source_hash: "371338ea069ebd225bf1ab907c229e6d28c7bb8be74aac844e03ec62d2bba649"
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 258 (2026) — Chesapeake and Atlantic Coastal Bays Critical Area Protection Program - Standards and Procedures

## Version chain

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

1. **Chapter - Chesapeake and Atlantic Coastal Bays Critical Area Protection Program - Standards and Procedures** (committee substitute) — [source](http://mgaleg.maryland.gov/2026RS/Chapters_noln/CH_274_hb0258t.pdf)
2. **First - Chesapeake and Atlantic Coastal Bays Critical Area Protection Program - Standards and Procedures** (committee substitute) — [source](http://mgaleg.maryland.gov/2026RS/bills/hb/hb0258f.pdf)
3. **Third - Chesapeake and Atlantic Coastal Bays Critical Area Protection Program - Standards and Procedures** (committee substitute) — [source](http://mgaleg.maryland.gov/2026RS/bills/hb/hb0258t.pdf)

## Votes

- On Third Reading — **41–0** (pass) · upper
- On Third Reading — **130–2** (pass) · lower

## Sponsors

- Chair, Environment and Transportation Committee — primary (organization)

## Timeline

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

- **2025-09-30** Pre-filed `introduction`
- **2026-01-14** First Reading Environment and Transportation `referral-committee`
- **2026-01-19** Hearing 2/11 at 1:00 p.m.
- **2026-03-09** Favorable with Amendments Report by Environment and Transportation `committee-passage-favorable`
- **2026-03-10** Favorable with Amendments { `committee-passage-favorable`
- **2026-03-10** Second Reading Passed with Amendments
- **2026-03-12** Third Reading Passed `passage`
- **2026-03-13** Referred Education, Energy, and the Environment `referral-committee`
- **2026-04-08** Favorable Report by Education, Energy, and the Environment `committee-passage-favorable`
- **2026-04-08** Favorable Adopted `committee-passage-favorable`
- **2026-04-08** Second Reading Passed
- **2026-04-09** Third Reading Passed `passage`
- **2026-04-09** Returned Passed
- **2026-04-28** Approved by the Governor - Chapter 274 `executive-signature`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/41f795bb-ef8a-4362-ae20-4d0fcb454b71`. Confidence: reported (aggregated from official Maryland legislature records).