---
type: "Bill"
title: "An Act Regarding Dams"
description: "An Act Regarding Dams"
jurisdiction: "us/states/me"
legislature: "Maine Legislature"
session: "132"
identifier: "LD 529"
citation: "Maine LD 529 (132)"
classification: ["bill"]
subjects: ["DAMS", "MAINTENANCE", "PROVISIONS REVISED"]
status: "enacted"
primary_sponsors: ["Nina MILLIKEN"]
version_count: 3
action_count: 22
vote_count: 0
first_action: "2025-02-11"
last_action: "2025-06-18"
source: "openstates"
source_identifier: "ocd-bill/05ead6c6-9b03-4878-9d77-e55eef24c560"
source_url: "https://legislature.maine.gov/LawMakerWeb/dockets.asp?ID=280096458"
source_hash: "e9bd26291f362a018f5ba9f2befa8db9f0aa36b538d4fc30bf03839acc1d1c01"
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-me"]
---

# Maine LD 529 (132) — An Act Regarding Dams

## Version chain

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

1. **ACTPS Chapter 10** (committee substitute) — [source](http://www.mainelegislature.org/legis/bills/getPDF.asp?paper=HP0348&item=3&snum=132)
2. **Amendment C-A (H-670)** (committee substitute) — [source](http://www.mainelegislature.org/legis/bills/getPDF.asp?paper=HP0348&item=2&snum=132)
3. **LD 529 HP 348** (committee substitute) — [source](http://www.mainelegislature.org/legis/bills/getPDF.asp?paper=HP0348&item=1&snum=132)

## Sponsors

- Nina MILLIKEN — primary (person)
- David HAGGAN — cosponsor (person)
- Matt MOONEN — cosponsor (person)
- Nicole GROHOSKI — cosponsor (person)
- Steven BISHOP — cosponsor (person)

## Timeline

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

- **2025-02-11** Committee on Environment and Natural Resources suggested and ordered printed.
- **2025-02-11** The Bill was REFERRED to the Committee on ENVIRONMENT AND NATURAL RESOURCES. `referral-committee`
- **2025-02-11** Sent for concurrence. ORDERED SENT FORTHWITH.
- **2025-02-11** The Bill was REFERRED to the Committee on ENVIRONMENT AND NATURAL RESOURCES in concurrence `referral-committee`
- **2025-03-21** Carried over, in the same posture, to the next special or regular session of the 132nd Legislature, pursuant to Joint Order SP 519.
- **2025-06-12** CONSENT CALENDAR - FIRST DAY
- **2025-06-12** Under suspension of the rules CONSENT CALENDAR - SECOND DAY.
- **2025-06-12** The Bill was PASSED TO BE ENGROSSED as Amended by Committee Amendment "A" (H-670). `reading-3`
- **2025-06-12** Sent for concurrence. ORDERED SENT FORTHWITH.
- **2025-06-13** Report READ and ACCEPTED, in concurrence.
- **2025-06-13** READ ONCE. `reading-1`
- **2025-06-13** Committee Amendment "A" (H-670) READ and ADOPTED, in concurrence. `committee-passage-favorable, passage`
- **2025-06-13** Under suspension of the Rules, READ A SECOND TIME and PASSED TO BE ENGROSSED AS AMENDED BY Committee Amendment "A" (H-670), in concurrence. `reading-2, reading-3`
- **2025-06-13** Ordered sent down forthwith.
- **2025-06-13** PASSED TO BE ENACTED - Emergency - 2/3 Elected Required, in concurrence. `passage`
- **2025-06-13** This being an emergency measure, a two-thirds vote of all the members elected to the House was necessary.
- **2025-06-13** PASSED TO BE ENACTED. `passage`
- **2025-06-13** Sent for concurrence. ORDERED SENT FORTHWITH.
- **2025-06-18** Signed by Governor `executive-signature`
- **2025-05-07T04:00:00+00:00** Work Session Held
- **2025-05-07T04:00:00+00:00** Voted - OTP-AM
- **2025-06-12T04:00:00+00:00** Reported Out - OTP-AM

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/05ead6c6-9b03-4878-9d77-e55eef24c560`. Confidence: reported (aggregated from official Maine legislature records).