---
type: "Bill"
title: "Waterway Incident Notification System (WINS) - Study"
description: "Waterway Incident Notification System (WINS) - Study"
jurisdiction: "us/states/md"
legislature: "Maryland General Assembly"
session: "2024"
identifier: "HB 256"
citation: "Maryland HB 256 (2024)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["D. Jones", "Lehman", "T. Morgan"]
version_count: 3
action_count: 18
vote_count: 2
first_action: "2023-09-28"
last_action: "2024-05-09"
source: "openstates"
source_identifier: "ocd-bill/c9c2197c-384d-4fd5-80f3-183121cad0c9"
source_url: "http://mgaleg.maryland.gov/mgawebsite/Legislation/Details/hb0256?ys=2024RS&search=True"
source_hash: "1985c1691b14838b2ff39815a1901438d661a20c4919de963d7a6d058d769173"
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 256 (2024) — Waterway Incident Notification System (WINS) - Study

## Version chain

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

1. **Chapter - Waterway Incident Notification System (WINS) - Study** (committee substitute) — [source](http://mgaleg.maryland.gov/2024RS/Chapters_noln/CH_546_hb0256t.pdf)
2. **First - Waterway Incident Notification System (WINS) Workgroup** (committee substitute) — [source](http://mgaleg.maryland.gov/2024RS/bills/hb/hb0256f.pdf)
3. **Third - Waterway Incident Notification System (WINS) - Study** (committee substitute) — [source](http://mgaleg.maryland.gov/2024RS/bills/hb/hb0256t.pdf)

## Votes

- On Third Reading — **139–0** (pass) · lower
- On Third Reading — **45–0** (pass) · upper

## Sponsors

- D. Jones — primary (person)
- Lehman — primary (person)
- T. Morgan — primary (person)

## Timeline

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

- **2023-09-28** Pre-filed `introduction`
- **2024-01-10** First Reading Environment and Transportation `referral-committee`
- **2024-01-18** Hearing 2/07 at 2:30 p.m.
- **2024-01-23** Hearing canceled
- **2024-01-23** Hearing 2/14 at 1:00 p.m.
- **2024-02-14** Hearing canceled
- **2024-02-14** Hearing 2/14 at 1:15 p.m.
- **2024-03-04** Favorable with Amendments Report by Environment and Transportation `committee-passage-favorable`
- **2024-03-05** Favorable with Amendments { `committee-passage-favorable`
- **2024-03-05** Second Reading Passed with Amendments
- **2024-03-07** Third Reading Passed `passage`
- **2024-03-08** Referred Judicial Proceedings `referral-committee`
- **2024-03-27** Favorable Report by Judicial Proceedings `committee-passage-favorable`
- **2024-03-28** Favorable Adopted `committee-passage-favorable`
- **2024-03-28** Second Reading Passed
- **2024-03-29** Third Reading Passed `passage`
- **2024-04-01** Returned Passed
- **2024-05-09** Approved by the Governor - Chapter 546 `executive-signature`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/c9c2197c-384d-4fd5-80f3-183121cad0c9`. Confidence: reported (aggregated from official Maryland legislature records).