---
type: "Bill"
title: "Natural Resources - Pamela J. Kelly Tree-Mendous Maryland Program - Alterations"
description: "Natural Resources - Pamela J. Kelly Tree-Mendous Maryland Program - Alterations"
jurisdiction: "us/states/md"
legislature: "Maryland General Assembly"
session: "2026"
identifier: "SB 164"
citation: "Maryland SB 164 (2026)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: []
version_count: 4
action_count: 17
vote_count: 3
first_action: "2025-09-26"
last_action: "2026-04-14"
source: "openstates"
source_identifier: "ocd-bill/7801d2ac-5461-4fb1-a10f-dee9f205bf6b"
source_url: "http://mgaleg.maryland.gov/mgawebsite/Legislation/Details/sb0164?ys=2026RS"
source_hash: "0433f7dd6cf1ad888378e73ae99f5591175e93347211363378489086590049d9"
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 164 (2026) — Natural Resources - Pamela J. Kelly Tree-Mendous Maryland Program - Alterations

## Version chain

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

1. **Chapter - Natural Resources - Pamela J. Kelly Tree-Mendous Maryland Program - Alterations** (committee substitute) — [source](http://mgaleg.maryland.gov/2026RS/Chapters_noln/CH_113_sb0164e.pdf)
2. **Enrolled - Natural Resources - Pamela J. Kelly Tree-Mendous Maryland Program - Alterations** (committee substitute) — [source](http://mgaleg.maryland.gov/2026RS/bills/sb/sb0164e.pdf)
3. **First - Natural Resources - Pamela J. Kelly Tree-Mendous Maryland Program - Alterations** (committee substitute) — [source](http://mgaleg.maryland.gov/2026RS/bills/sb/sb0164f.pdf)
4. **Third - Natural Resources - Pamela J. Kelly Tree-Mendous Maryland Program - Alterations** (committee substitute) — [source](http://mgaleg.maryland.gov/2026RS/bills/sb/sb0164t.pdf)

## Votes

- Bill is on Third Reading for Final Passage. — **42–0** (pass) · upper
- On Third Reading (Amend) — **124–9** (pass) · lower
- On Third Reading — **43–0** (pass) · upper

## Sponsors

- Chair, Education, Energy, and the Environment Committee — primary (organization)

## Timeline

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

- **2025-09-26** Pre-filed `introduction`
- **2026-01-14** First Reading Education, Energy, and the Environment `referral-committee`
- **2026-01-16** Hearing 1/27 at 1:00 p.m.
- **2026-02-09** Favorable with Amendments Report by Education, Energy, and the Environment `committee-passage-favorable`
- **2026-02-10** Favorable with Amendments { `committee-passage-favorable`
- **2026-02-10** Second Reading Passed with Amendments
- **2026-02-12** Third Reading Passed `passage`
- **2026-02-13** Referred Environment and Transportation `referral-committee`
- **2026-03-25** Hearing 4/01 at 1:00 p.m.
- **2026-04-03** Favorable with Amendments Report by Environment and Transportation `committee-passage-favorable`
- **2026-04-03** Favorable with Amendments { `committee-passage-favorable`
- **2026-04-03** Second Reading Passed with Amendments
- **2026-04-08** Third Reading Passed `passage`
- **2026-04-09** Senate Concurs House Amendments
- **2026-04-09** Third Reading Passed `passage`
- **2026-04-09** Passed Enrolled
- **2026-04-14** Approved by the Governor - Chapter 113 `executive-signature`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/7801d2ac-5461-4fb1-a10f-dee9f205bf6b`. Confidence: reported (aggregated from official Maryland legislature records).