---
type: "Bill"
title: "Department of the Environment - Community Water and Sewerage Systems - Cybersecurity Planning and Assessments"
description: "Department of the Environment - Community Water and Sewerage Systems - Cybersecurity Planning and Assessments"
jurisdiction: "us/states/md"
legislature: "Maryland General Assembly"
session: "2025"
identifier: "SB 871"
citation: "Maryland SB 871 (2025)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Hester"]
version_count: 3
action_count: 13
vote_count: 2
first_action: "2025-02-03"
last_action: "2025-05-13"
source: "openstates"
source_identifier: "ocd-bill/307f59fb-2eaf-4149-8dfb-1118ededb0b9"
source_url: "http://mgaleg.maryland.gov/mgawebsite/Legislation/Details/sb0871?ys=2025RS&search=True"
source_hash: "44dc6e5cff9b22b465835150ddfe592ee579426a0dce79868c86f192674a0338"
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 871 (2025) — Department of the Environment - Community Water and Sewerage Systems - Cybersecurity Planning and Assessments

## Version chain

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

1. **Chapter - Department of the Environment - Community Water and Sewerage Systems - Cybersecurity Planning and Assessments** (committee substitute) — [source](http://mgaleg.maryland.gov/2025RS/Chapters_noln/CH_495_sb0871t.pdf)
2. **First - Department of the Environment - Community Water and Sewerage Systems - Cybersecurity Planning and Assessments** (committee substitute) — [source](http://mgaleg.maryland.gov/2025RS/bills/sb/sb0871f.pdf)
3. **Third - Department of the Environment - Community Water and Sewerage Systems - Cybersecurity Planning and Assessments** (committee substitute) — [source](http://mgaleg.maryland.gov/2025RS/bills/sb/sb0871t.pdf)

## Votes

- On Third Reading — **140–0** (pass) · lower
- On Third Reading — **42–0** (pass) · upper

## Sponsors

- Hester — primary (person)

## Timeline

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

- **2025-02-03** First Reading Education, Energy, and the Environment `referral-committee`
- **2025-02-04** Hearing 2/27 at 1:00 p.m.
- **2025-03-14** Favorable with Amendments Report by Education, Energy, and the Environment `committee-passage-favorable`
- **2025-03-14** Favorable with Amendments { `committee-passage-favorable`
- **2025-03-14** Second Reading Passed with Amendments
- **2025-03-17** Third Reading Passed `passage`
- **2025-03-17** Referred Environment and Transportation Health and Government Operations `referral-committee`
- **2025-03-19** Hearing 3/26 at 1:00 p.m. (Environment and Transportation)
- **2025-04-05** Favorable Report by Environment and Transportation `committee-passage-favorable`
- **2025-04-05** Favorable Adopted Second Reading Passed `committee-passage-favorable`
- **2025-04-07** Third Reading Passed `passage`
- **2025-04-07** Returned Passed
- **2025-05-13** Approved by the Governor - Chapter 495 `executive-signature`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/307f59fb-2eaf-4149-8dfb-1118ededb0b9`. Confidence: reported (aggregated from official Maryland legislature records).