---
type: "Bill"
title: "A bill for an act relating to commercial fishing to remove underused, undesirable, and injurious organisms from waters of the state, and including applicability provisions. (Formerly HF 318.) Effective 7-1-19."
description: "A bill for an act relating to commercial fishing to remove underused, undesirable, and injurious organisms from waters of the state, and including applicability provisions. (Formerly HF 318.) Effective 7-1-19."
jurisdiction: "us/states/ia"
legislature: "Iowa General Assembly"
session: "2019-2020"
identifier: "HF 604"
citation: "Iowa HF 604 (2019-2020)"
classification: ["bill"]
subjects: ["commercial fishing", "natural resources department", "water"]
status: "enacted"
primary_sponsors: []
version_count: 4
action_count: 21
vote_count: 3
first_action: "2019-03-04"
last_action: "2019-05-09"
source: "openstates"
source_identifier: "ocd-bill/16525756-7dd2-42de-b904-1f2753dc716f"
source_url: "https://www.legis.iowa.gov/legislation/billTracking/billHistory?billName=HF 604&ga=88"
source_hash: "8f77e15baf9b6958598754983d9dcb790ad527405d4ba6b950202b34f2e24bc6"
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 HF 604 (2019-2020) — A bill for an act relating to commercial fishing to remove underused, undesirable, and injurious organisms from waters of the state, and including applicability provisions. (Formerly HF 318.) Effective 7-1-19.

## 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/88/HF604.pdf)
2. **Amendment H-1299** (committee substitute) — [source](https://www.legis.iowa.gov/docs/publications/AMDI/88/H1299.pdf)
3. **Amendment S-3117** (committee substitute) — [source](https://www.legis.iowa.gov/docs/publications/AMDI/88/S3117.pdf)
4. **Enrolled** (enrolled) — [source](https://www.legis.iowa.gov/docs/publications/LGE/88/attachments/HF604.html)

## Votes

- Shall the bill pass? — **98–0** (pass) · lower
- Shall the bill pass? — **99–0** (pass) · lower
- Shall the bill pass? — **49–1** (pass) · upper

## Timeline

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

- **2019-03-04** Introduced, placed on calendar. `introduction`
- **2019-03-13** Passed House, yeas 99, nays none. `passage`
- **2019-03-13** Immediate message.
- **2019-03-14** Message from House.
- **2019-03-14** Read first time, referred to Natural Resources and Environment. `reading-1`
- **2019-03-18** Subcommittee: Sweeney, Boulton, and Segebart.
- **2019-03-19** Subcommittee reassigned: Kapucian, Boulton, and Segebart.
- **2019-04-02** Committee report, recommending passage. `committee-passage`
- **2019-04-04** Amendment S-3117 filed. `amendment-introduction`
- **2019-04-11** Placed on calendar under unfinished business.
- **2019-04-24** Amendment S-3117 adopted. `amendment-passage`
- **2019-04-24** Passed Senate, yeas 49, nays 1. `passage`
- **2019-04-24** Immediate message.
- **2019-04-24** Message from Senate.
- **2019-04-24** Senate amendment H-1299 filed.
- **2019-04-25** House concurred in Senate amendment H-1299.
- **2019-04-25** Passed House, yeas 98 nays none. `passage`
- **2019-04-25** Immediate message.
- **2019-04-25** Message from House.
- **2019-05-02** Reported correctly enrolled, signed by Speaker and President, and sent to Governor.
- **2019-05-09** 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/16525756-7dd2-42de-b904-1f2753dc716f`. Confidence: reported (aggregated from official Iowa legislature records).