---
type: "Bill"
title: "Public health and safety; Underground Facilities Damage Preventions Act; modifying definition of excavate; effective date."
description: "Public health and safety; Underground Facilities Damage Preventions Act; modifying definition of excavate; effective date."
jurisdiction: "us/states/ok"
legislature: "Oklahoma Legislature"
session: "2026"
identifier: "HB 1666"
citation: "Oklahoma HB 1666 (2026)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Cantrell", "Frix"]
version_count: 10
action_count: 26
vote_count: 5
first_action: "2025-02-03"
last_action: "2025-05-19"
source: "openstates"
source_identifier: "ocd-bill/e86f7e68-787d-4968-bd72-82a358be7835"
source_url: "http://www.oklegislature.gov/BillInfo.aspx?Bill=HB1666&session=2600"
source_hash: "8adebbf8e0deaa3c4c5c11c41d2772c6978f40b692f415b67d524e597f651ae7"
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-ok"]
---

# Oklahoma HB 1666 (2026) — Public health and safety; Underground Facilities Damage Preventions Act; modifying definition of excavate; effective date.

## Version chain

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

1. **Introduced** (filed) — [source](https://www.oklegislature.gov/cf_pdf/2025-26 INT/hB/HB1666 INT.PDF)
2. **Engrossed** (committee substitute) — [source](https://www.oklegislature.gov/cf_pdf/2025-26 ENGR/hB/HB1666 ENGR.PDF)
3. **Enrolled (final version)** (committee substitute) — [source](https://www.oklegislature.gov/cf_pdf/2025-26 ENR/hB/HB1666 ENR.PDF)
4. **Floor (House)** (committee substitute) — [source](https://www.oklegislature.gov/cf_pdf/2025-26 FLR/HFLR/HB1666 HFLR.PDF)
5. **Floor (Senate)** (committee substitute) — [source](https://www.oklegislature.gov/cf_pdf/2025-26 FLR/SFLR/HB1666 SFLR.PDF)
6. **HB1666 (5-05-25) (WOODS) RT FA1.PDF** (committee substitute) — [source](https://www.oklegislature.gov/cf_pdf/2025-26 FLOOR AMENDMENTS/Senate/HB1666 (5-05-25) (WOODS) RT FA1.PDF)
7. **House Committee Substitute** (committee substitute) — [source](https://www.oklegislature.gov/cf_pdf/2025-26 COMMITTEE SUBS/HCS/HB1666 CS.PDF)
8. **Policy Committee Recommendation** (committee substitute) — [source](https://www.oklegislature.gov/cf_pdf/2025-26 COMMITTEE SUBS/HCS/HB1666 POLREC.PDF)
9. **Proposed Policy Committee Substitute 1** (committee substitute) — [source](https://www.oklegislature.gov/cf_pdf/2025-26 COMMITTEE AMENDMENTS/House/HB1666 POLPCS1 JOSH CANTRELL-JBH.PDF)
10. **Proposed Policy Committee Substitute 1 - Amendment 1** (committee substitute) — [source](https://www.oklegislature.gov/cf_pdf/2025-26 COMMITTEE AMENDMENTS/House/HB1666 POLPCS1-AMD1 JOSH CANTRELL-JBH.PDF)

## Votes

- Energy And Natural Resources Oversight Committee: Do Pass As Amended By Cs — **14–0** (pass) · lower
- Utilities Committee: Do Pass As Amended By Cs — **6–0** (pass) · lower
- Third Reading — **77–9** (pass) · lower
- Do Pass Amended — **9–1** (pass) · upper
- Third Reading — **41–3** (pass) · upper

## Sponsors

- Cantrell — primary (person)
- Frix — primary (person)

## Timeline

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

- **2025-02-03** First Reading `introduction, reading-1`
- **2025-02-03** Authored by Representative Cantrell
- **2025-02-04** Second Reading referred to Energy and Natural Resources Oversight `reading-2, referral-committee`
- **2025-02-04** Referred to Utilities `referral-committee`
- **2025-02-17** Policy recommendation to the Energy and Natural Resources Oversight committee; Do Pass, amended by committee substitute Utilities `committee-passage`
- **2025-02-26** CR; Do Pass, amended by committee substitute Energy and Natural Resources Oversight Committee `committee-passage`
- **2025-02-26** Authored by Senator Frix (principal Senate author)
- **2025-03-12** General Order
- **2025-03-12** Third Reading, Measure passed: Ayes: 77 Nays: 9 `passage, reading-3`
- **2025-03-12** Referred for engrossment
- **2025-03-13** Engrossed, signed, to Senate `passage`
- **2025-03-13** First Reading `introduction, reading-1`
- **2025-04-01** Second Reading referred to Energy `reading-2, referral-committee`
- **2025-04-24** Reported Do Pass as amended Energy committee; CR filed `committee-passage`
- **2025-04-24** Title stricken
- **2025-04-29** Placed on General Order
- **2025-05-08** General Order, Amended
- **2025-05-08** Title restored
- **2025-05-08** Amendment restored bill to engrossed version `amendment-passage`
- **2025-05-08** Measure passed: Ayes: 41 Nays: 3 `passage`
- **2025-05-08** Engrossed measure signed, returned to House `passage`
- **2025-05-08** Referred for enrollment
- **2025-05-12** Enrolled, signed, to Senate
- **2025-05-12** Enrolled measure signed, returned to House
- **2025-05-12** Sent to Governor `executive-receipt`
- **2025-05-19** Becomes law without Governor's signature 05/18/2025 `became-law`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/e86f7e68-787d-4968-bd72-82a358be7835`. Confidence: reported (aggregated from official Oklahoma legislature records).