---
type: "Bill"
title: "POLLUTANT DISCHARGE ELIMINATION SYSTEM ACT"
description: "POLLUTANT DISCHARGE ELIMINATION SYSTEM ACT"
jurisdiction: "us/states/nm"
legislature: "New Mexico Legislature"
session: "2025"
identifier: "SB 21"
citation: "New Mexico SB 21 (2025)"
classification: ["bill"]
subjects: ["BOARDS & COMMISSIONS", "ENVIRONMENT", "WATER & WATER RIGHTS (acequias", "irrigation", "rivers)"]
status: "enacted"
primary_sponsors: ["Gonzales, Roberto \"Bobby\" J.", "Ortez, Kristina", "Wirth, Peter"]
version_count: 4
action_count: 11
vote_count: 2
first_action: "2025-01-21"
last_action: "2025-04-09"
source: "openstates"
source_identifier: "ocd-bill/f1603dcc-f8b4-4fc8-b556-dc14ece10c3b"
source_url: "http://www.nmlegis.gov/Legislation/Legislation?chamber=S&legType=B&legNo=21&year=25"
source_hash: "07cfe4ba675e4f7fb59a8e3caef160730954c0ffd7c38625da06450104d2480d"
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-nm"]
---

# New Mexico SB 21 (2025) — POLLUTANT DISCHARGE ELIMINATION SYSTEM ACT

## Version chain

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

1. **Amendments in Context** (committee substitute) — [source](http://www.nmlegis.gov/Sessions/25%20Regular/Amendments_In_Context/SB0021.pdf)
2. **Final Version** (committee substitute) — [source](http://www.nmlegis.gov/Sessions/25%20Regular/final/SB0021.PDF)
3. **JU substitute** (committee substitute) — [source](http://www.nmlegis.gov/Sessions/25%20Regular/bills/senate/SB0021JUS.HTML)
4. **introduced version** (committee substitute) — [source](http://www.nmlegis.gov/Sessions/25%20Regular/bills/senate/SB0021.HTML)

## Votes

- house passage — **43–25** (pass) · lower
- senate passage — **25–16** (pass) · upper

## Sponsors

- Gonzales, Roberto "Bobby" J. — primary (person)
- Ortez, Kristina — primary (person)
- Wirth, Peter — primary (person)

## Timeline

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

- **2025-02-13** DO NOT PASS, replaced with committee substitute `committee-passage`
- **2025-01-30** DO PASS committee report adopted `committee-passage-favorable`
- **2025-01-21** Sent to Senate Conservation Committee & Senate Judiciary Committee & Senate Finance Committee `introduction, referral-committee`
- **2025-02-21** DO PASS committee report adopted `committee-passage-favorable`
- **2025-03-04** DO PASS committee report adopted `committee-passage-favorable`
- **2025-03-11** DO PASS committee report adopted `committee-passage-favorable`
- **2025-03-19** passed House `passage`
- **2025-02-26** special
- **2025-02-26** passed Senate `passage`
- **2025-02-27** Sent to House Agriculture, Acequias & Water Resources Committee & House Energy, Environment and Natural Resources Committee `introduction, referral-committee`
- **2025-04-09** Signed `executive-signature`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/f1603dcc-f8b4-4fc8-b556-dc14ece10c3b`. Confidence: reported (aggregated from official New Mexico legislature records).