---
type: "Bill"
title: "A bill for an act repealing the Missouri river preservation and land use authority, and including transition provisions. (Formerly SSB 1021.) Effective date: 07/01/2021."
description: "A bill for an act repealing the Missouri river preservation and land use authority, and including transition provisions. (Formerly SSB 1021.) Effective date: 07/01/2021."
jurisdiction: "us/states/ia"
legislature: "Iowa General Assembly"
session: "2021-2022"
identifier: "SF 185"
citation: "Iowa SF 185 (2021-2022)"
classification: ["bill"]
subjects: ["conservation", "environmental protection", "land use", "missouri river", "natural resources", "recreation", "rivers and streams", "water"]
status: "enacted"
primary_sponsors: []
version_count: 3
action_count: 20
vote_count: 2
first_action: "2021-01-28"
last_action: "2021-05-18"
source: "openstates"
source_identifier: "ocd-bill/67bfbdd5-1671-4281-8b6d-6435dde831d7"
source_url: "https://www.legis.iowa.gov/legislation/billTracking/billHistory?billName=SF 185&ga=89"
source_hash: "8679b5bcb4a96c0a11b9d277caec67b92d84b8fbf1da53253a5e112fdf0e324d"
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-ia"]
---

# Iowa SF 185 (2021-2022) — A bill for an act repealing the Missouri river preservation and land use authority, and including transition provisions. (Formerly SSB 1021.) Effective date: 07/01/2021.

## Version chain

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

1. **Introduced** (filed) — [source](https://www.legis.iowa.gov/docs/publications/LGI/89/attachments/SF185.html)
2. **Signed Enrolled Bill (PDF)** (committee substitute) — [source](https://www.legis.iowa.gov/docs/publications/LGE/89/Attachments/SF185_GovLetter.pdf)
3. **Enrolled** (enrolled) — [source](https://www.legis.iowa.gov/docs/publications/LGE/89/attachments/SF185.html)

## Votes

- Shall the bill pass? — **35–11** (pass) · upper
- Shall the bill pass? — **59–34** (pass) · lower

## Timeline

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

- **2021-01-28** Introduced, placed on calendar. `introduction`
- **2021-01-28** Committee report, approving bill.
- **2021-02-03** Passed Senate, yeas 35, nays 11. `passage`
- **2021-02-03** Immediate message.
- **2021-02-04** Message from Senate.
- **2021-02-09** Read first time, referred to State Government. `reading-1`
- **2021-02-11** Subcommittee: Jacobsen, Gjerde and Siegrist.
- **2021-02-12** Subcommittee Meeting: 02/16/2021 12:15PM RM 15.
- **2021-02-16** Subcommittee recommends passage. Vote Total: 2-1
- **2021-03-23** Committee report, recommending passage. `committee-passage`
- **2021-04-08** Placed on calendar under unfinished business.
- **2021-04-12** Passed House, yeas 59 nays 34. `passage`
- **2021-04-14** Explanation of vote.
- **2021-04-21** Explanation of vote.
- **2021-04-22** Explanation of vote.
- **2021-05-18** Explanation of vote.
- **2021-04-12** Immediate message.
- **2021-04-13** Message from House.
- **2021-04-30** Reported correctly enrolled, signed by President and Speaker, and sent to Governor.
- **2021-04-30** Signed by Governor. `executive-signature`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/67bfbdd5-1671-4281-8b6d-6435dde831d7`. Confidence: reported (aggregated from official Iowa legislature records).