---
type: "Bill"
title: "A bill for an act designating certain county flood mitigation activities as an essential county purpose. (Formerly HSB 56.) Effective date: 07/01/2021."
description: "A bill for an act designating certain county flood mitigation activities as an essential county purpose. (Formerly HSB 56.) Effective date: 07/01/2021."
jurisdiction: "us/states/ia"
legislature: "Iowa General Assembly"
session: "2021-2022"
identifier: "HF 523"
citation: "Iowa HF 523 (2021-2022)"
classification: ["bill"]
subjects: ["bonds", "county government", "floods"]
status: "enacted"
primary_sponsors: []
version_count: 3
action_count: 21
vote_count: 2
first_action: "2021-02-15"
last_action: "2021-05-10"
source: "openstates"
source_identifier: "ocd-bill/1b7c184e-e057-4751-94c3-ad7398bc2e17"
source_url: "https://www.legis.iowa.gov/legislation/billTracking/billHistory?billName=HF 523&ga=89"
source_hash: "838a467f08497a48cb3fbe12de738b7c05972a002dbb984fdcc2d2b09fe7316e"
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 523 (2021-2022) — A bill for an act designating certain county flood mitigation activities as an essential county purpose. (Formerly HSB 56.) 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/HF523.html)
2. **Signed Enrolled Bill (PDF)** (committee substitute) — [source](https://www.legis.iowa.gov/docs/publications/LGE/89/Attachments/HF523_GovLetter.pdf)
3. **Enrolled** (enrolled) — [source](https://www.legis.iowa.gov/docs/publications/LGE/89/attachments/HF523.html)

## Votes

- Shall the bill pass? — **48–0** (pass) · upper
- Shall the bill pass? — **93–0** (pass) · lower

## Timeline

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

- **2021-02-15** Introduced, placed on calendar. `introduction`
- **2021-03-09** Passed House, yeas 93, nays none. `passage`
- **2021-03-10** Explanations of votes.
- **2021-03-09** Immediate message.
- **2021-03-10** Message from House.
- **2021-03-10** Read first time, referred to Local Government. `reading-1`
- **2021-03-16** Subcommittee: Lofgren, Klimesh, and J. Smith.
- **2021-03-15** Subcommittee Meeting: 03/16/2021 1:00PM RM 111.
- **2021-03-16** Subcommittee recommends passage.
- **2021-03-30** Committee report, recommending passage. `committee-passage`
- **2021-03-31** Referred to Ways and Means. `referral-committee`
- **2021-04-06** Subcommittee: R. Smith, Goodwin, and T. Taylor.
- **2021-04-06** Subcommittee Meeting: 04/07/2021 8:30AM RM 111.
- **2021-04-07** Subcommittee recommends passage.
- **2021-04-20** Committee report, recommending passage. `committee-passage`
- **2021-04-28** Substituted for SF 607.
- **2021-04-28** Passed Senate, yeas 48, nays 0. `passage`
- **2021-04-28** Immediate message.
- **2021-04-28** Message from Senate.
- **2021-05-10** Reported correctly enrolled, signed by Speaker and President, and sent to Governor.
- **2021-05-10** 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/1b7c184e-e057-4751-94c3-ad7398bc2e17`. Confidence: reported (aggregated from official Iowa legislature records).