---
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: "SB 166"
citation: "Maryland SB 166 (2024)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Bailey"]
version_count: 4
action_count: 17
vote_count: 3
first_action: "2023-09-28"
last_action: "2024-05-09"
source: "openstates"
source_identifier: "ocd-bill/c46d3e87-e2f4-403c-9ccd-764e004a8b76"
source_url: "http://mgaleg.maryland.gov/mgawebsite/Legislation/Details/sb0166?ys=2024RS&search=True"
source_hash: "99b21a05adae1e70e587193ec0c7d718e8dda069bd0efc3df38915016b17455c"
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 166 (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_547_sb0166e.pdf)
2. **Enrolled - Waterway Incident Notification System (WINS) Workgroup** (committee substitute) — [source](http://mgaleg.maryland.gov/2024RS/bills/sb/sb0166e.pdf)
3. **First - Waterway Incident Notification System (WINS) Workgroup** (committee substitute) — [source](http://mgaleg.maryland.gov/2024RS/bills/sb/sb0166f.pdf)
4. **Third - Waterway Incident Notification System (WINS) Workgroup** (committee substitute) — [source](http://mgaleg.maryland.gov/2024RS/bills/sb/sb0166t.pdf)

## Votes

- On Third Reading — **44–0** (pass) · upper
- Bill is on Third Reading for Final Passage. — **45–0** (pass) · upper
- On Third Reading (Amend) — **137–0** (pass) · lower

## Sponsors

- Bailey — primary (person)

## Timeline

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

- **2023-09-28** Pre-filed `introduction`
- **2024-01-10** First Reading Judicial Proceedings `referral-committee`
- **2024-01-15** Hearing 1/24 at 2:30 p.m.
- **2024-02-05** Favorable with Amendments Report by Judicial Proceedings `committee-passage-favorable`
- **2024-02-06** Favorable with Amendments { `committee-passage-favorable`
- **2024-02-06** Second Reading Passed with Amendments
- **2024-02-08** Third Reading Passed `passage`
- **2024-02-12** Referred Environment and Transportation `referral-committee`
- **2024-03-21** Hearing 3/27 at 1:00 p.m.
- **2024-04-03** Favorable with Amendments Report by Environment and Transportation `committee-passage-favorable`
- **2024-04-03** Favorable with Amendments { `committee-passage-favorable`
- **2024-04-03** Second Reading Passed with Amendments
- **2024-04-04** Third Reading Passed `passage`
- **2024-04-08** Senate Concurs House Amendments
- **2024-04-08** Third Reading Passed `passage`
- **2024-04-08** Passed Enrolled
- **2024-05-09** Approved by the Governor - Chapter 547 `executive-signature`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/c46d3e87-e2f4-403c-9ccd-764e004a8b76`. Confidence: reported (aggregated from official Maryland legislature records).