---
type: "Bill"
title: "Changes to water right - notice requirements for hearing."
description: "2021/Summaries/HB0045.pdf"
jurisdiction: "us/states/wy"
legislature: "Wyoming Legislature"
session: "2021"
identifier: "HB 45"
citation: "Wyoming HB 45 (2021)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: []
version_count: 6
action_count: 20
vote_count: 4
first_action: "2021-01-06T21:36:16+00:00"
last_action: "2021-02-10T00:57:14+00:00"
source: "openstates"
source_identifier: "ocd-bill/a7daeb7b-2b07-48b6-9e4e-bbe2b9a6ca1b"
source_url: "http://lso.wyoleg.gov/Legislation/2021/HB0045"
source_hash: "54aa7aaab70449a5f56bf63d0d7cadfb5d1a88356597aa806a5a0e48f966a21f"
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-wy"]
---

# Wyoming HB 45 (2021) — Changes to water right - notice requirements for hearing.

2021/Summaries/HB0045.pdf

## Version chain

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

1. **Introduced** (filed) — [source](http://wyoleg.gov/2021/Introduced/HB0045.pdf)
2. **Amendment HB0045H2001 (2nd reading) - Representative Brown (Withdrawn)** (committee substitute) — [source](http://wyoleg.gov/2021/Amends/HB0045H2001.pdf)
3. **Amendment HB0045H3001 (3rd reading) - Representative Brown (Failed)** (committee substitute) — [source](http://wyoleg.gov/2021/Amends/HB0045H3001.pdf)
4. **Amendment HB0045HS001 (Standing Committee) - House Agriculture, State and Public Lands & Water (Adopted)** (committee substitute) — [source](http://wyoleg.gov/2021/Amends/HB0045HS001.pdf)
5. **Amendment HB0045S2001 (2nd reading) - Senator Boner (Failed)** (committee substitute) — [source](http://wyoleg.gov/2021/Amends/HB0045S2001.pdf)
6. **Enrolled** (enrolled) — [source](http://wyoleg.gov/2021/Enroll/HB0045.pdf)

## Votes

- H05 - Agriculture:Recommend Amend and Do Pass 9-0-0-0-0 — **9–0** (pass) · lower
- S05 - Agriculture:Recommend Do Pass 5-0-0-0-0 — **5–0** (pass) · upper
- S 3rd Reading:Passed 30-0-0-0-0 — **30–0** (pass) · upper
- H 3rd Reading:Passed 57-3-0-0-0 — **57–3** (pass) · lower

## Sponsors

- Water — primary (organization)

## Timeline

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

- **2021-02-10T00:57:14+00:00** Assigned Chapter Number 18
- **2021-02-10T00:57:07+00:00** Governor Signed HEA No. 0010 `executive-signature`
- **2021-02-05T17:44:47+00:00** S President Signed HEA No. 0010
- **2021-02-05T17:44:39+00:00** H Speaker Signed HEA No. 0010
- **2021-02-04T22:47:23+00:00** Assigned Number HEA No. 0010
- **2021-02-04T19:00:28+00:00** S 3rd Reading:Passed 30-0-0-0-0 `passage, reading-3`
- **2021-02-03T18:43:20+00:00** S 2nd Reading:Passed `reading-2`
- **2021-02-02T23:50:52+00:00** S COW:Passed
- **2021-02-02T22:56:29+00:00** S Placed on General File
- **2021-02-02T22:56:23+00:00** S05 - Agriculture:Recommend Do Pass 5-0-0-0-0 `committee-passage-favorable`
- **2021-01-29T23:27:57+00:00** S Introduced and Referred to S05 - Agriculture `introduction, referral-committee`
- **2021-01-29T23:27:44+00:00** S Received for Introduction `filing`
- **2021-01-29T19:17:03+00:00** H 3rd Reading:Passed 57-3-0-0-0 `passage, reading-3`
- **2021-01-28T21:07:47+00:00** H 2nd Reading:Passed `reading-2`
- **2021-01-27T23:40:19+00:00** H COW:Passed
- **2021-01-27T18:04:21+00:00** H Placed on General File
- **2021-01-27T18:04:11+00:00** H05 - Agriculture:Recommend Amend and Do Pass 9-0-0-0-0 `committee-passage-favorable`
- **2021-01-12T22:43:26+00:00** H Introduced and Referred to H05 - Agriculture `introduction, referral-committee`
- **2021-01-12T18:25:07+00:00** H Received for Introduction `filing`
- **2021-01-06T21:36:16+00:00** Bill Number Assigned

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/a7daeb7b-2b07-48b6-9e4e-bbe2b9a6ca1b`. Confidence: reported (aggregated from official Wyoming legislature records).