---
type: "Bill"
title: "Water Share Right Mutual Ditch Corporation"
description: "For a mutual ditch corporation, the act clarifies that, subject to the articles of incorporation and bylaws of the corporation:When stockholder demand exceeds supply, the corporation may limit or otherwise rotate delivery of water ratably among the stockholders; and"
jurisdiction: "us/states/co"
legislature: "Colorado General Assembly"
session: "2021A"
identifier: "HB 21-1046"
citation: "Colorado HB 21-1046 (2021A)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Jeni James Arndt", "Jerry Sonnenberg", "Marc Catlin", "Rhonda Fields"]
version_count: 9
action_count: 15
vote_count: 3
first_action: "2021-02-16T07:00:00+00:00"
last_action: "2021-05-20T06:00:00+00:00"
source: "openstates"
source_identifier: "ocd-bill/7177ce18-2c0e-44b9-a66f-c575d6baf55e"
source_url: "http://leg.colorado.gov/bills/hb21-1046"
source_hash: "c8c84fb0b2fc158f6504c50301c4c74c7ece9ed2f6acc397b7170f3535a8de5d"
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-co"]
---

# Colorado HB 21-1046 (2021A) — Water Share Right Mutual Ditch Corporation

For a mutual ditch corporation, the act clarifies that, subject to the articles of incorporation and bylaws of the corporation:When stockholder demand exceeds supply, the corporation may limit or otherwise rotate delivery of water ratably among the stockholders; and

## Version chain

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

1. **Committee Amendment** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/2021a_hb1046_s_agr_001.pdf)
2. **Engrossed (03/22/2021)** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/documents/2021A/bills/2021a_1046_eng.pdf)
3. **Final Act (05/11/2021)** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/documents/2021A/bills/2021a_1046_enr.pdf)
4. **Introduced (02/16/2021)** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/documents/2021A/bills/2021a_1046_01.pdf)
5. **PA1 (03/18/2021)** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/documents/2021A/bills/2021a_1046alw_01.pdf)
6. **Reengrossed (03/24/2021)** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/documents/2021A/bills/2021a_1046_ren.pdf)
7. **Rerevised (04/21/2021)** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/documents/2021A/bills/2021a_1046_rer.pdf)
8. **Revised (04/20/2021)** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/documents/2021A/bills/2021a_1046_rev.pdf)
9. **Signed Act (05/20/2021)** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/2021a_1046_signed.pdf)

## Votes

- BILL — **34–0** (pass) · upper
- BILL — **62–0** (pass) · lower
- BILL — **34–0** (pass) · upper

## Sponsors

- Jeni James Arndt — primary (person)
- Jerry Sonnenberg — primary (person)
- Marc Catlin — primary (person)
- Rhonda Fields — primary (person)

## Timeline

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

- **2021-05-20T06:00:00+00:00** Governor Signed `executive-signature`
- **2021-05-11T06:00:00+00:00** Sent to the Governor `executive-receipt`
- **2021-05-11T06:00:00+00:00** Signed by the Speaker of the House
- **2021-05-11T06:00:00+00:00** Signed by the President of the Senate
- **2021-04-21T06:00:00+00:00** Senate Third Reading Passed - No Amendments `passage, reading-3`
- **2021-04-21T06:00:00+00:00** Senate Third Reading Reconsidered - No Amendments
- **2021-04-21T06:00:00+00:00** Senate Third Reading Passed - No Amendments `passage, reading-3`
- **2021-04-20T06:00:00+00:00** Senate Second Reading Passed - No Amendments `reading-2`
- **2021-04-15T06:00:00+00:00** Senate Committee on Agriculture & Natural Resources Refer Unamended - Consent Calendar to Senate Committee of the Whole `committee-passage`
- **2021-03-24T06:00:00+00:00** Introduced In Senate - Assigned to Agriculture & Natural Resources `introduction`
- **2021-03-24T06:00:00+00:00** House Third Reading Passed - No Amendments `passage, reading-3`
- **2021-03-23T06:00:00+00:00** House Third Reading Laid Over Daily - No Amendments
- **2021-03-22T06:00:00+00:00** House Second Reading Passed with Amendments - Committee `reading-2`
- **2021-03-17T06:00:00+00:00** House Committee on Agriculture, Livestock, & Water Refer Amended to House Committee of the Whole `committee-passage, referral-committee`
- **2021-02-16T07:00:00+00:00** Introduced In House - Assigned to Agriculture, Livestock, & Water `introduction`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/7177ce18-2c0e-44b9-a66f-c575d6baf55e`. Confidence: reported (aggregated from official Colorado legislature records).