---
type: "Bill"
title: "Natural Resources - Invasive Blue Catfish Pilot Program - Alterations"
description: "Natural Resources - Invasive Blue Catfish Pilot Program - Alterations"
jurisdiction: "us/states/md"
legislature: "Maryland General Assembly"
session: "2026"
identifier: "SB 610"
citation: "Maryland SB 610 (2026)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Mautz"]
version_count: 3
action_count: 13
vote_count: 2
first_action: "2026-02-05"
last_action: "2026-04-14"
source: "openstates"
source_identifier: "ocd-bill/929b1297-913f-400e-9ffe-8551fb73a57e"
source_url: "http://mgaleg.maryland.gov/mgawebsite/Legislation/Details/sb0610?ys=2026RS"
source_hash: "baa28395bc249144fb31634a02b0dd948ba20b16d121769cfe1b66dcc63679fd"
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 610 (2026) — Natural Resources - Invasive Blue Catfish Pilot Program - Alterations

## Version chain

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

1. **Chapter - Natural Resources - Invasive Blue Catfish Pilot Program - Alterations** (committee substitute) — [source](http://mgaleg.maryland.gov/2026RS/Chapters_noln/CH_42_sb0610t.pdf)
2. **First - Department of Natural Resources - Commercial Blue and Flathead Catfish Finfish Trotline License - Alterations** (committee substitute) — [source](http://mgaleg.maryland.gov/2026RS/bills/sb/sb0610f.pdf)
3. **Third - Natural Resources - Invasive Blue Catfish Pilot Program - Alterations** (committee substitute) — [source](http://mgaleg.maryland.gov/2026RS/bills/sb/sb0610t.pdf)

## Votes

- On Third Reading (Emerg) — **132–0** (pass) · lower
- On Third Reading (Emerg) — **43–0** (pass) · upper

## Sponsors

- Mautz — primary (person)

## Timeline

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

- **2026-02-05** First Reading Education, Energy, and the Environment `referral-committee`
- **2026-02-10** Hearing 3/10 at 1:00 p.m.
- **2026-03-20** Favorable with Amendments Report by Education, Energy, and the Environment `committee-passage-favorable`
- **2026-03-20** Favorable with Amendments { `committee-passage-favorable`
- **2026-03-20** Second Reading Passed with Amendments
- **2026-03-23** Third Reading Passed `passage`
- **2026-03-24** Referred Environment and Transportation `referral-committee`
- **2026-03-25** Hearing 4/01 at 1:00 p.m.
- **2026-04-03** Favorable Report by Environment and Transportation `committee-passage-favorable`
- **2026-04-03** Favorable Adopted Second Reading Passed `committee-passage-favorable`
- **2026-04-09** Third Reading Passed `passage`
- **2026-04-10** Returned Passed
- **2026-04-14** Approved by the Governor - Chapter 42 `executive-signature`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/929b1297-913f-400e-9ffe-8551fb73a57e`. Confidence: reported (aggregated from official Maryland legislature records).