---
type: "Bill"
title: "WATER SECURITY PLANNING ACT"
description: "WATER SECURITY PLANNING ACT"
jurisdiction: "us/states/nm"
legislature: "New Mexico Legislature"
session: "2023"
identifier: "SB 337"
citation: "New Mexico SB 337 (2023)"
classification: ["bill"]
subjects: ["STATE AGENCIES & DEPARTMENTS (including reorganization)", "WATER & WATER RIGHTS (acequias", "irrigation", "rivers)"]
status: "enacted"
primary_sponsors: ["Herrera, Susan K.", "Stefanics, Elizabeth \"Liz\""]
version_count: 4
action_count: 10
vote_count: 0
first_action: "2023-02-03"
last_action: "2023-04-04"
source: "openstates"
source_identifier: "ocd-bill/0d0820bc-5dac-4016-90f0-464347eade6f"
source_url: "http://www.nmlegis.gov/Legislation/Legislation?chamber=S&legType=B&legNo=337&year=23"
source_hash: "477c5d206a166ced4ba96cbb8d9d85c4e75fe1a41a290b52cc1c29a2d2db21dc"
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 337 (2023) — WATER SECURITY PLANNING 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/23%20Regular/Amendments_In_Context/SB0337.pdf)
2. **CO substitute** (committee substitute) — [source](http://www.nmlegis.gov/Sessions/23%20Regular/bills/senate/SB0337COS.HTML)
3. **Final Version** (committee substitute) — [source](http://www.nmlegis.gov/Sessions/23%20Regular/final/SB0337.PDF)
4. **introduced version** (committee substitute) — [source](http://www.nmlegis.gov/Sessions/23%20Regular/bills/senate/SB0337.HTML)

## Sponsors

- Herrera, Susan K. — primary (person)
- Stefanics, Elizabeth "Liz" — primary (person)

## Timeline

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

- **2023-02-03** Sent to Senate Conservation Committee & Senate Finance Committee `introduction, referral-committee`
- **2023-02-21** DO NOT PASS, replaced with committee substitute `committee-passage`
- **2023-03-17** floor substitute adopted (1 amendment)
- **2023-03-17** passed House `passage`
- **2023-03-17** Senate concurred in House amendments
- **2023-03-14** DO PASS committee report adopted `committee-passage-favorable`
- **2023-03-07** DO PASS committee report adopted `committee-passage-favorable`
- **2023-03-08** passed Senate `passage`
- **2023-03-10** Sent to House Agriculture, Acequias & Water Resources Committee `introduction, referral-committee`
- **2023-04-04** Signed `executive-signature`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/0d0820bc-5dac-4016-90f0-464347eade6f`. Confidence: reported (aggregated from official New Mexico legislature records).