---
type: "Bill"
title: "Aquaculture Coordinating Council - Application of Tidal Wetlands Permit Requirements to Aquaculture Operations - Study"
description: "Aquaculture Coordinating Council - Application of Tidal Wetlands Permit Requirements to Aquaculture Operations - Study"
jurisdiction: "us/states/md"
legislature: "Maryland General Assembly"
session: "2021"
identifier: "SB 442"
citation: "Maryland SB 442 (2021)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Klausmeier"]
version_count: 4
action_count: 16
vote_count: 3
first_action: "2021-01-20"
last_action: "2021-05-30"
source: "openstates"
source_identifier: "ocd-bill/ad65b66b-0ac1-45a7-b59d-c979cedd753e"
source_url: "http://mgaleg.maryland.gov/mgawebsite/Legislation/Details/sb0442?ys=2021RS&search=True"
source_hash: "197cc4e427fd94d37a2c99d2ac7cc3020c720fb9aa683336f769a7374d594dc8"
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 SB 442 (2021) — Aquaculture Coordinating Council - Application of Tidal Wetlands Permit Requirements to Aquaculture Operations - Study

## Version chain

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

1. **Chapter - Aquaculture Coordinating Council - Application of Tidal Wetlands Permit Requirements to Aquaculture Operations - Study** (committee substitute) — [source](http://mgaleg.maryland.gov/2021RS/Chapters_noln/CH_458_sb0442e.pdf)
2. **Enrolled - Aquaculture Coordinating Council - Application of Tidal Wetlands Permit Requirements to Aquaculture Operations - Study** (committee substitute) — [source](http://mgaleg.maryland.gov/2021RS/bills/sb/sb0442e.pdf)
3. **First - Aquaculture Leases and Shellfish Nursery Operations - Wetlands** (committee substitute) — [source](http://mgaleg.maryland.gov/2021RS/bills/sb/sb0442f.pdf)
4. **Third - Aquaculture Coordinating Council - Application of Tidal Wetlands Permit Requirements to Aquaculture Operations - Study** (committee substitute) — [source](http://mgaleg.maryland.gov/2021RS/bills/sb/sb0442t.pdf)

## Votes

- On Third Reading (Emerg/Amend) — **135–0** (pass) · lower
- On Third Reading (Emerg) — **47–0** (pass) · upper
- On third reading — **47–0** (pass) · upper

## Sponsors

- Klausmeier — primary (person)

## Timeline

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

- **2021-01-20** First Reading Education, Health, and Environmental Affairs `referral-committee`
- **2021-01-22** Hearing 2/10 at 1:00 p.m.
- **2021-03-02** Favorable with Amendments Report by Education, Health, and Environmental Affairs `committee-passage-favorable`
- **2021-03-03** Favorable with Amendments { `committee-passage-favorable`
- **2021-03-03** Second Reading Passed with Amendments
- **2021-03-04** Third Reading Passed `passage`
- **2021-03-05** Referred Environment and Transportation `referral-committee`
- **2021-03-12** Hearing 3/24 at 1:30 p.m.
- **2021-04-02** Favorable with Amendments Report by Environment and Transportation `committee-passage-favorable`
- **2021-04-02** Favorable with Amendments { `committee-passage-favorable`
- **2021-04-02** Second Reading Passed with Amendments
- **2021-04-05** Third Reading Passed `passage`
- **2021-04-07** Senate Concurs House Amendments
- **2021-04-07** Third Reading Passed `passage`
- **2021-04-07** Passed Enrolled
- **2021-05-30** Enacted under Article II, Section 17(c) of the Maryland Constitution - Chapter 458 `became-law`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/ad65b66b-0ac1-45a7-b59d-c979cedd753e`. Confidence: reported (aggregated from official Maryland legislature records).