---
type: "Bill"
title: "Relating to notification procedures concerning groundwater contamination."
description: "Relating to notification procedures concerning groundwater contamination."
jurisdiction: "us/states/tx"
legislature: "Texas Legislature"
session: "89R"
identifier: "SB 1663"
citation: "Texas SB 1663 (89R)"
classification: ["bill"]
subjects: ["EMAIL & ELECTRONIC COMMUNICATIONS (S0321)", "ENVIRONMENTAL QUALITY", "TEXAS COMMISSION ON (V0334)", "Environment--Water (I0320)", "Health--General (I0385)", "PUBLIC NOTICE (S0264)"]
status: "enacted"
primary_sponsors: ["Guillen", "Zaffirini"]
version_count: 5
action_count: 49
vote_count: 2
first_action: "2025-02-26"
last_action: "2025-06-20"
source: "openstates"
source_identifier: "ocd-bill/d6882929-fbeb-480b-8e0a-e69cb73a8f85"
source_url: "ftp://ftp.legis.state.tx.us/bills/89R/billhistory/senate_bills/SB01600_SB01699/SB 1663.xml"
source_hash: "d36124f54bc623eac51e48de7bd8f385bd36fb0186c36df92b51ac130ef6ef4b"
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-tx"]
---

# Texas SB 1663 (89R) — Relating to notification procedures concerning groundwater contamination.

## Version chain

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

1. **Introduced** (filed) — [source](http://capitol.texas.gov/tlodocs/89R/billtext/html/SB01663I.HTM)
2. **Engrossed** (committee substitute) — [source](http://capitol.texas.gov/tlodocs/89R/billtext/html/SB01663E.HTM)
3. **House Committee Report** (committee substitute) — [source](http://capitol.texas.gov/tlodocs/89R/billtext/html/SB01663H.HTM)
4. **Senate Committee Report** (committee substitute) — [source](http://capitol.texas.gov/tlodocs/89R/billtext/html/SB01663S.HTM)
5. **Enrolled** (enrolled) — [source](http://capitol.texas.gov/tlodocs/89R/billtext/html/SB01663F.HTM)

## Votes

- passage — **111–29** (pass) · lower
- passage — **118–25** (pass) · lower

## Sponsors

- Guillen — primary (person)
- Zaffirini — primary (person)

## Timeline

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

- **2025-02-26** Received by the Secretary of the Senate `filing, introduction`
- **2025-02-26** Filed `filing`
- **2025-03-11** Read first time `introduction, reading-1`
- **2025-03-11** Referred to Water, Agriculture, & Rural Affairs `referral-committee`
- **2025-04-07** Scheduled for public hearing on . . .
- **2025-04-07** Considered in public hearing
- **2025-04-07** Testimony taken in committee
- **2025-04-07** Vote taken in committee
- **2025-04-07** Reported favorably w/o amendments `committee-passage-favorable`
- **2025-04-07** Recommended for local & uncontested calendar
- **2025-04-07** Committee report printed and distributed
- **2025-04-16** Placed on local & uncontested calendar
- **2025-04-16** Laid before the Senate `receipt`
- **2025-04-16** Read 2nd time & passed to engrossment `reading-2`
- **2025-04-16** Vote recorded in Journal
- **2025-04-16** Three day rule suspended
- **2025-04-16** Record vote
- **2025-04-16** Read 3rd time `reading-3`
- **2025-04-16** Passed `passage`
- **2025-04-16** Record vote
- **2025-04-16** Reported engrossed
- **2025-04-17** Received from the Senate `introduction`
- **2025-04-22** Read first time `introduction, reading-1`
- **2025-04-22** Referred to Natural Resources `referral-committee`
- **2025-05-07** Considered in public hearing
- **2025-05-07** Testimony taken/registration(s) recorded in committee
- **2025-05-07** Left pending in committee
- **2025-05-15** Considered in formal meeting
- **2025-05-15** Reported favorably w/o amendment(s) `committee-passage, committee-passage-favorable`
- **2025-05-20** Comte report filed with Committee Coordinator `filing`
- **2025-05-20** Committee report distributed
- **2025-05-21** Committee report sent to Calendars
- **2025-05-22** Considered in Calendars
- **2025-05-24** Placed on General State Calendar
- **2025-05-27** Read 2nd time `reading-2`
- **2025-05-27** Passed to 3rd reading
- **2025-05-27** Record vote
- **2025-05-27** Statement(s) of vote recorded in Journal
- **2025-05-27** Read 3rd time `reading-3`
- **2025-05-27** Passed `passage`
- **2025-05-27** Record vote
- **2025-05-27** Statement(s) of vote recorded in Journal
- **2025-05-27** House passage reported `passage`
- **2025-05-27** Reported enrolled `enrolled`
- **2025-05-28** Signed in the Senate `passage`
- **2025-05-30** Signed in the House `passage`
- **2025-05-30** Sent to the Governor `executive-receipt`
- **2025-06-20** Signed by the Governor `executive-signature`
- **2025-06-20** Effective on 9/1/25 `became-law`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/d6882929-fbeb-480b-8e0a-e69cb73a8f85`. Confidence: reported (aggregated from official Texas legislature records).