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republic-os/legislation/us/states/md/2023/sb-471.md
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---
type: "Bill"
title: "Sediment Control Plans, Discharge Permits for Stormwater Associated With Construction Activity, and Notice and Comment Requirements"
description: "Sediment Control Plans, Discharge Permits for Stormwater Associated With Construction Activity, and Notice and Comment Requirements"
jurisdiction: "us/states/md"
legislature: "Maryland General Assembly"
session: "2023"
identifier: "SB 471"
citation: "Maryland SB 471 (2023)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Elfreth"]
version_count: 4
action_count: 16
vote_count: 0
first_action: "2023-02-03"
last_action: "2023-05-08"
source: "openstates"
source_identifier: "ocd-bill/625ae3ab-9cf3-4229-957e-13ec64656cd0"
source_url: "http://mgaleg.maryland.gov/mgawebsite/Legislation/Details/sb0471?ys=2023RS&search=True"
source_hash: "5848293e48a0cac91acedf731c6a2f59a8e15681f154e3ebc3bb238049e75530"
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 471 (2023) — Sediment Control Plans, Discharge Permits for Stormwater Associated With Construction Activity, and Notice and Comment Requirements
## Version chain
The bill's text revisions, in order — the diff chain from filing to enrollment.
1. **Chapter - Sediment Control Plans, Discharge Permits for Stormwater Associated With Construction Activity, and Notice and Comment Requirements** (committee substitute) — [source](http://mgaleg.maryland.gov/2023RS/Chapters_noln/CH_547_sb0471e.pdf)
2. **Enrolled - Sediment Control Plans, Discharge Permits for Stormwater Associated With Construction Activity, and Notice and Comment Requirements** (committee substitute) — [source](http://mgaleg.maryland.gov/2023RS/bills/sb/sb0471e.pdf)
3. **First - Water Pollution Control - Discharge Permits - Stormwater Associated With Construction Activity** (committee substitute) — [source](http://mgaleg.maryland.gov/2023RS/bills/sb/sb0471f.pdf)
4. **Third - Sediment Control Plans, Discharge Permits for Stormwater Associated With Construction Activity, and Notice and Comment Requirements** (committee substitute) — [source](http://mgaleg.maryland.gov/2023RS/bills/sb/sb0471t.pdf)
## Sponsors
- Elfreth — primary (person)
## Timeline
The legislative action history — every referral, reading, and vote.
- **2023-02-03** First Reading Education, Energy, and the Environment `referral-committee`
- **2023-02-07** Hearing 2/23 at 1:00 p.m.
- **2023-03-13** Favorable with Amendments Report by Education, Energy, and the Environment `committee-passage-favorable`
- **2023-03-14** Favorable with Amendments { `committee-passage-favorable`
- **2023-03-14** Second Reading Passed with Amendments
- **2023-03-16** Third Reading Passed `passage`
- **2023-03-17** Referred Environment and Transportation `referral-committee`
- **2023-03-20** Hearing 3/29 at 1:00 p.m.
- **2023-03-31** Favorable with Amendments Report by Environment and Transportation `committee-passage-favorable`
- **2023-03-31** Favorable with Amendments { `committee-passage-favorable`
- **2023-03-31** Second Reading Passed with Amendments
- **2023-04-05** Third Reading Passed `passage`
- **2023-04-10** Senate Concurs House Amendments
- **2023-04-10** Third Reading Passed `passage`
- **2023-04-10** Passed Enrolled
- **2023-05-08** 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/625ae3ab-9cf3-4229-957e-13ec64656cd0`. Confidence: reported (aggregated from official Maryland legislature records).