---
type: "Bill"
title: "Chesapeake Bay Watershed Implementation Plan; changes contingency for effective date."
description: "Chesapeake Bay Watershed Implementation Plan; changes contingency for effective date."
jurisdiction: "us/states/va"
legislature: "Virginia General Assembly"
session: "2023"
identifier: "SB 1129"
citation: "Virginia SB 1129 (2023)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Hanger"]
version_count: 5
action_count: 34
vote_count: 5
first_action: "2023-01-10"
last_action: "2023-03-27"
source: "openstates"
source_identifier: "ocd-bill/55470447-d4d3-43a3-863e-a2e0eb07b9fb"
source_url: "https://lis.virginia.gov/cgi-bin/legp604.exe?231+sum+SB1129"
source_hash: "465b391ea12df8d8c8e5dab407b7c5ff1d209f12c29b66c7dca99c7e9325de01"
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-va"]
---

# Virginia SB 1129 (2023) — Chesapeake Bay Watershed Implementation Plan; changes contingency for effective date.

## Version chain

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

1. **CHAP0736** (committee substitute) — [source](https://lis.virginia.gov/cgi-bin/legp604.exe?231+ful+CHAP0736)
2. **Committee substitute printed 23106002D-S1** (committee substitute) — [source](https://lis.virginia.gov/cgi-bin/legp604.exe?231+ful+SB1129S1)
3. **Prefiled and ordered printed; offered 01/11/23 23104207D** (committee substitute) — [source](https://lis.virginia.gov/cgi-bin/legp604.exe?231+ful+SB1129)
4. **SB1129ER** (committee substitute) — [source](https://lis.virginia.gov/cgi-bin/legp604.exe?231+ful+SB1129ER)
5. **SB1129ES1** (committee substitute) — [source](https://lis.virginia.gov/cgi-bin/legp604.exe?231+ful+SB1129ES1)

## Votes

- Reported from Agriculture, Conservation and Natural Resources with substitite (12-Y 0-N 2-A) — **0–0** (fail) · upper
- VOTE: Block Vote Passage (99-Y 0-N) — **0–0** (fail) · lower
- Read third time and passed Senate (39-Y 0-N) — **0–0** (fail) · upper
- Constitutional reading dispensed (40-Y 0-N) — **0–0** (fail) · upper
- Reported from Agriculture, Chesapeake and Natural Resources (20-Y 0-N) — **0–0** (fail) · lower

## Sponsors

- Hanger — primary (person)

## Timeline

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

- **2023-01-10** Prefiled and ordered printed; offered 01/11/23 23104207D `filing, introduction`
- **2023-01-10** Referred to Committee on Agriculture, Conservation and Natural Resources `referral-committee`
- **2023-01-31** Senate committee, floor amendments and substitutes offered
- **2023-01-31** Reported from Agriculture, Conservation and Natural Resources with substitite (12-Y 0-N 2-A) `committee-passage`
- **2023-01-31** Committee substitute printed 23106002D-S1 `substitution`
- **2023-02-02** Constitutional reading dispensed (40-Y 0-N)
- **2023-02-03** Passed by for the day
- **2023-02-06** Read second time `reading-2`
- **2023-02-06** Reading of substitute waived
- **2023-02-06** Committee substitute agreed to 23106002D-S1 `substitution`
- **2023-02-06** Reading of amendments waived
- **2023-02-06** Amendments by Senator Petersen agreed to `amendment-passage`
- **2023-02-06** Engrossed by Senate - committee substitute with amendments SB1129ES1 `substitution`
- **2023-02-06** Printed as engrossed 23106002D-ES1
- **2023-02-07** Impact statement from DPB (SB1129S1)
- **2023-02-07** Read third time and passed Senate (39-Y 0-N) `passage, reading-3`
- **2023-02-08** Impact statement from DPB (SB1129ES1)
- **2023-02-10** Placed on Calendar
- **2023-02-10** Read first time `reading-1`
- **2023-02-10** Referred to Committee on Agriculture, Chesapeake and Natural Resources `referral-committee`
- **2023-02-15** Reported from Agriculture, Chesapeake and Natural Resources (20-Y 0-N) `committee-passage`
- **2023-02-17** Read second time `reading-2`
- **2023-02-20** Read third time `reading-3`
- **2023-02-20** Passed House BLOCK VOTE (99-Y 0-N) `passage`
- **2023-02-20** VOTE: Block Vote Passage (99-Y 0-N) `passage`
- **2023-02-23** Enrolled `enrolled`
- **2023-02-23** Bill text as passed Senate and House (SB1129ER) `passage`
- **2023-02-23** Impact statement from DPB (SB1129ER)
- **2023-02-23** Signed by Speaker `passage`
- **2023-02-25** Signed by President `passage`
- **2023-03-02** Enrolled Bill Communicated to Governor on March 2, 2023 `enrolled`
- **2023-03-02** Governor's Action Deadline 11:59 p.m., March 27, 2023 `executive-receipt`
- **2023-03-27** Approved by Governor-Chapter 736 (effective 7/1/23) `executive-signature`
- **2023-03-27** Acts of Assembly Chapter text (CHAP0736)

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/55470447-d4d3-43a3-863e-a2e0eb07b9fb`. Confidence: reported (aggregated from official Virginia legislature records).