---
type: "Bill"
title: "Water Pollution Control - Intervention in Civil Actions - Rights and Authority"
description: "Water Pollution Control - Intervention in Civil Actions - Rights and Authority"
jurisdiction: "us/states/md"
legislature: "Maryland General Assembly"
session: "2021"
identifier: "SB 334"
citation: "Maryland SB 334 (2021)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Carter"]
version_count: 3
action_count: 15
vote_count: 3
first_action: "2020-10-28"
last_action: "2021-05-30"
source: "openstates"
source_identifier: "ocd-bill/41542eba-e3ca-4375-9f38-68389f8e93fa"
source_url: "http://mgaleg.maryland.gov/mgawebsite/Legislation/Details/sb0334?ys=2021RS&search=True"
source_hash: "d0e0d3dc92358836b91c43b1027d25bafec14c22c20d946329b2a91d1b51445e"
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 334 (2021) — Water Pollution Control - Intervention in Civil Actions - Rights and Authority

## Version chain

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

1. **Chapter - Water Pollution Control - Intervention in Civil Actions - Rights and Authority** (committee substitute) — [source](http://mgaleg.maryland.gov/2021RS/Chapters_noln/CH_619_sb0334t.pdf)
2. **First - Water Pollution Control - Intervention in Civil Actions - Rights and Authority** (committee substitute) — [source](http://mgaleg.maryland.gov/2021RS/bills/sb/sb0334f.pdf)
3. **Third - Water Pollution Control - Intervention in Civil Actions - Rights and Authority** (committee substitute) — [source](http://mgaleg.maryland.gov/2021RS/bills/sb/sb0334t.pdf)

## Votes

- On Third Reading — **37–10** (pass) · upper
- ON THIRD READING (Rules Suspended) — **96–41** (pass) · lower
- Motion to suspend rules and allow 2 Rdgs on 1 Day — **97–39** (pass) · lower

## Sponsors

- Carter — primary (person)

## Timeline

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

- **2020-10-28** Pre-filed `introduction`
- **2021-01-13** First Reading Judicial Proceedings and Education, Health, and Environmental Affairs `referral-committee`
- **2020-12-28** Hearing 1/26 at 1:00 p.m. (Judicial Proceedings)
- **2021-04-05** Favorable with Amendments Report by Judicial Proceedings `committee-passage-favorable`
- **2021-04-05** Favorable with Amendments { `committee-passage-favorable`
- **2021-04-05** Second Reading Passed with Amendments
- **2021-04-06** Third Reading Passed `passage`
- **2021-04-06** Referred Rules and Executive Nominations `referral-committee`
- **2021-04-10** Rereferred to Environment and Transportation
- **2021-04-12** Favorable Report by Environment and Transportation `committee-passage-favorable`
- **2021-04-12** Favorable Adopted Second Reading Passed `committee-passage-favorable`
- **2021-04-12** Motion Rules Suspend Two Readings Same Day (Delegate Luedtke) Adopted
- **2021-04-12** Third Reading Passed `passage`
- **2021-04-12** Returned Passed
- **2021-05-30** Enacted under Article II, Section 17(c) of the Maryland Constitution - Chapter 619 `became-law`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/41542eba-e3ca-4375-9f38-68389f8e93fa`. Confidence: reported (aggregated from official Maryland legislature records).