---
type: "Bill"
title: "An Act To Amend The Laws Governing Wastewater Treatment Plant Operator Certification"
description: "An Act To Amend The Laws Governing Wastewater Treatment Plant Operator Certification"
jurisdiction: "us/states/me"
legislature: "Maine Legislature"
session: "130"
identifier: "LD 771"
citation: "Maine LD 771 (130)"
classification: ["bill"]
subjects: ["OPERATOR CERTIFICATION PROGRAM", "WASTEWATER DISCHARGES", "WATER QUALITY"]
status: "enacted"
primary_sponsors: ["John MARTIN"]
version_count: 3
action_count: 21
vote_count: 0
first_action: "2021-03-10"
last_action: "2021-06-11"
source: "openstates"
source_identifier: "ocd-bill/3f92ee56-a65a-40ca-b22f-991c0fda438f"
source_url: "https://legislature.maine.gov/LawMakerWeb/dockets.asp?ID=280079264"
source_hash: "6ac0231be6383a49db8c9adafc4e463e2126574a63c52eec466bc4f317866e3b"
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 771 (130) — An Act To Amend The Laws Governing Wastewater Treatment Plant Operator Certification

## Version chain

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

1. **Adopted Amendments** (committee substitute) — [source](http://www.mainelegislature.org/legis/bills/getPDF.asp?paper=HP0576&item=2&snum=130)
2. **Documents and Disposition** (committee substitute) — [source](http://www.mainelegislature.org/legis/bills/getPDF.asp?paper=HP0576&item=1&snum=130)
3. **Final Disposition** (committee substitute) — [source](http://www.mainelegislature.org/legis/bills/getPDF.asp?paper=HP0576&item=3&snum=130)

## Sponsors

- John MARTIN — primary (person)

## Timeline

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

- **2021-03-10** Committee on Environment and Natural Resources suggested and ordered printed.
- **2021-03-10** The Bill was REFERRED to the Committee on ENVIRONMENT AND NATURAL RESOURCES. `referral-committee`
- **2021-03-10** Sent for concurrence. ORDERED SENT FORTHWITH.
- **2021-03-10** The Bill was REFERRED to the Committee on ENVIRONMENT AND NATURAL RESOURCES in concurrence `referral-committee`
- **2021-03-30** Carried over, in the same posture, to a subsequent special or regular session of the 130th Legislature, pursuant to Joint Order SP 435.
- **2021-06-02** CONSENT CALENDAR - FIRST DAY
- **2021-06-02** Under suspension of the rules CONSENT CALENDAR - SECOND DAY.
- **2021-06-02** The Bill was PASSED TO BE ENGROSSED as Amended by Committee Amendment "A" (H-220). `reading-3`
- **2021-06-02** Sent for concurrence. ORDERED SENT FORTHWITH.
- **2021-06-03** Report READ and ACCEPTED, in concurrence.
- **2021-06-03** READ ONCE. `reading-1`
- **2021-06-03** Committee Amendment "A" (H-220) READ and ADOPTED, in concurrence. `committee-passage-favorable, passage`
- **2021-06-03** Under suspension of the Rules, READ A SECOND TIME and PASSED TO BE ENGROSSED AS AMENDED BY Committee Amendment "A" (H-220), in concurrence. `reading-2, reading-3`
- **2021-06-03** Ordered sent down forthwith.
- **2021-06-07** PASSED TO BE ENACTED. `passage`
- **2021-06-07** Sent for concurrence. ORDERED SENT FORTHWITH.
- **2021-06-08** PASSED TO BE ENACTED, in concurrence. `passage`
- **2021-06-11** Signed by Governor `executive-signature`
- **2021-04-14T04:00:00+00:00** Work Session Held
- **2021-04-14T04:00:00+00:00** Voted - OTP-AM
- **2021-05-21T04:00:00+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/3f92ee56-a65a-40ca-b22f-991c0fda438f`. Confidence: reported (aggregated from official Maine legislature records).