republic-os/legislation/us/states/ia/2023-2024/sf-455.md

type, title, description, jurisdiction, legislature, session, identifier, citation, classification, subjects, status, primary_sponsors, version_count, action_count, vote_count, first_action, last_action, source, source_identifier, source_url, source_hash, vintage, source_snapshot, retrieved_at, confidence, tags

type	title	description	jurisdiction	legislature	session	identifier	citation	classification	subjects	status	primary_sponsors	version_count	action_count	vote_count	first_action	last_action	source	source_identifier	source_url	source_hash	vintage	source_snapshot	retrieved_at	confidence	tags
Bill	A bill for an act relating to the regulation of topsoil and storm water at construction sites.	A bill for an act relating to the regulation of topsoil and storm water at construction sites.	us/states/ia	Iowa General Assembly	2023-2024	SF 455	Iowa SF 455 (2023-2024)	bill	construction work county government runoff soil and water conservation soils storm water management	enacted		16	47	5	2023-02-28	2024-04-29	openstates	ocd-bill/3685490e-3850-43d0-ba9b-2e8a370acf78	https://www.legis.iowa.gov/legislation/billTracking/billHistory?billName=SF 455&ga=90	a62430a5e313aa65e3b50eb049088e5079339106946435a794acfb2a8cc272eb	2026-07-01	https://data.openstates.org/daily/2026-07-01/public.pgdump	2026-07-06	reported	legislation bill us-ia

Iowa SF 455 (2023-2024) — A bill for an act relating to the regulation of topsoil and storm water at construction sites.

Version chain

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

1. Introduced (filed) — source
2. Amendment H-1193 (committee substitute) — source
3. Amendment H-1209 (committee substitute) — source
4. Amendment H-1304 (committee substitute) — source
5. Amendment H-1306 (committee substitute) — source
6. Amendment H-1321 (committee substitute) — source
7. Amendment H-8004 (committee substitute) — source
8. Amendment H-8122 (committee substitute) — source
9. Amendment H-8162 (committee substitute) — source
10. Amendment S-3074 (committee substitute) — source
11. Amendment S-3082 (committee substitute) — source
12. Amendment S-5058 (committee substitute) — source
13. Reprinted (committee substitute) — source
14. Reprinted Marked Up (committee substitute) — source
15. Signed Enrolled Bill (PDF) (committee substitute) — source
16. Enrolled (enrolled) — source

Votes

• Shall the bill pass? — 29–18 (pass) · upper
• Shall the bill pass? — 53–46 (pass) · lower
• Shall amendment S-3082 to amendment S-3074 be adopted? — 15–33 (fail) · upper
• Shall the bill pass? — 44–49 (fail) · lower
• Shall the bill pass? — 33–15 (pass) · upper

Sponsors

• COMMITTEE ON LOCAL GOVERNMENT — primary (organization)

Timeline

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

• 2023-02-28 Introduced, placed on calendar. introduction
• 2023-02-28 Committee report, approving bill. committee-passage
• 2023-03-14 Amendment S-3074 filed. amendment-introduction
• 2023-03-15 Amendment S-3082 filed, lost. amendment-introduction
• 2023-03-15 Amendment S-3074 adopted. amendment-passage
• 2023-03-15 Passed Senate, yeas 33, nays 15. passage
• 2023-03-15 Immediate message.
• 2023-03-15 Message from Senate.
• 2023-03-15 Read first time, referred to Local Government. reading-1
• 2023-03-21 Subcommittee: Stoltenberg, Deyoe and Staed.
• 2023-03-22 Subcommittee Meeting: 03/23/2023 8:00AM House Lounge 2.
• 2023-03-27 Subcommittee recommends passage. Vote Total: 2-0. committee-passage-favorable
• 2023-03-29 Committee report, recommending passage. committee-passage
• 2023-03-29 Placed on calendar.
• 2023-04-05 Amendment H-1193 filed. amendment-introduction
• 2023-04-06 Placed on calendar under unfinished business.
• 2023-04-12 Amendments H-1209 and H-1233 filed.
• 2023-04-24 Amendment H-1304 filed. amendment-introduction
• 2023-04-25 Amendment H-1306 filed. amendment-introduction
• 2023-05-01 Amendment H-1321 filed. amendment-introduction
• 2023-05-04 Rereferred to Local Government.
• 2024-01-10 Subcommittee: Dunwell, Amos Jr. and Stoltenberg.
• 2024-01-16 Subcommittee Meeting: 01/17/2024 8:00AM House Lounge 2.
• 2024-01-17 Subcommittee recommends passage. Vote Total: 2-1. committee-passage-favorable
• 2024-02-06 Committee report, recommending amendment and passage. committee-passage
• 2024-02-07 Committee amendment H-8004 filed. amendment-introduction
• 2024-02-07 Placed on calendar.
• 2024-03-04 Amendment H-8122 filed. amendment-introduction
• 2024-03-05 Amendment H-8162 filed. amendment-introduction
• 2024-03-06 Amendment H-8162 to committee amendment H-8004 adopted. amendment-passage
• 2024-03-06 Committee amendment H-8004 adopted, as amended. amendment-passage
• 2024-03-06 Amendments H-1193, H-1209, H-1233, H-1304, H-1306, H-1321 and H-8122 out of order.
• 2024-03-06 Failed to pass House, yeas 44, nays 49.
• 2024-03-07 Explanation of vote.
• 2024-03-06 Motion filed to reconsider vote on bill.
• 2024-03-11 Motion to reconsider vote prevailed.
• 2024-03-11 Passed House, yeas 53, nays 46. passage
• 2024-03-11 Immediate message.
• 2024-03-12 Message from House, with amendment S-5058.
• 2024-03-13 Fiscal note.
• 2024-03-25 Senate concurred with S-5058.
• 2024-03-25 Passed Senate, yeas 29, nays 18. passage
• 2024-03-25 Immediate message.
• 2024-03-25 Message from Senate.
• 2024-04-10 Reported correctly enrolled, signed by President and Speaker, and sent to Governor.
• 2024-04-10 Signed by Governor. executive-signature
• 2024-04-29 Fiscal note.

Source

OpenStates / OpenCivicData bulk snapshot 2026-07-01; origin ocd-bill/3685490e-3850-43d0-ba9b-2e8a370acf78. Confidence: reported (aggregated from official Iowa legislature records).