---
type: "Bill"
title: "A bill for an act relating to water quality by amending the wastewater treatment financial assistance program, creating a water quality infrastructure fund, establishing a water quality financing program, providing for cost-share programs for infrastructure on agricultural and urban land under the water quality initiative, creating a water service excise tax and a related sales tax exemption, making transfers and appropriations and other changes properly related to water quality, and including effective date provisions. (Formerly SSB 1034 and SF 482.) Various effective dates; see section 27 of bill."
description: "A bill for an act relating to water quality by amending the wastewater treatment financial assistance program, creating a water quality infrastructure fund, establishing a water quality financing program, providing for cost-share programs for infrastructure on agricultural and urban land under the water quality initiative, creating a water service excise tax and a related sales tax exemption, making transfers and appropriations and other changes properly related to water quality, and including effective date provisions. (Formerly SSB 1034 and SF 482.) Various effective dates; see section 27 of bill."
jurisdiction: "us/states/ia"
legislature: "Iowa General Assembly"
session: "2017-2018"
identifier: "SF 512"
citation: "Iowa SF 512 (2017-2018)"
classification: ["bill"]
subjects: ["excise taxes", "rebuild iowa infrastructure fund", "taxation", "utilities", "water", "water quality", "water utilities"]
status: "enacted"
primary_sponsors: []
version_count: 12
action_count: 38
vote_count: 7
first_action: "2017-04-17"
last_action: "2018-01-31"
source: "openstates"
source_identifier: "ocd-bill/dbbf0247-00e6-476e-9856-b34038ef6985"
source_url: "https://www.legis.iowa.gov/legislation/billTracking/billHistory?billName=SF 512&ga=87"
source_hash: "d787cdc5caa82abeae148dc85574818054ab5eb6b5c565fcd2896014ab759802"
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 512 (2017-2018) — A bill for an act relating to water quality by amending the wastewater treatment financial assistance program, creating a water quality infrastructure fund, establishing a water quality financing program, providing for cost-share programs for infrastructure on agricultural and urban land under the water quality initiative, creating a water service excise tax and a related sales tax exemption, making transfers and appropriations and other changes properly related to water quality, and including effective date provisions. (Formerly SSB 1034 and SF 482.) Various effective dates; see section 27 of bill.

## 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/87/attachments/SF512.html)
2. **Amendment H-1440** (committee substitute) — [source](https://www.legis.iowa.gov/docs/publications/AMDI/87/H1440.pdf)
3. **Amendment H-1442** (committee substitute) — [source](https://www.legis.iowa.gov/docs/publications/AMDI/87/H1442.pdf)
4. **Amendment S-3331** (committee substitute) — [source](https://www.legis.iowa.gov/docs/publications/AMDI/87/S3331.pdf)
5. **Amendment S-3332** (committee substitute) — [source](https://www.legis.iowa.gov/docs/publications/AMDI/87/S3332.pdf)
6. **Amendment S-3336** (committee substitute) — [source](https://www.legis.iowa.gov/docs/publications/AMDI/87/S3336.pdf)
7. **Amendment S-3354** (committee substitute) — [source](https://www.legis.iowa.gov/docs/publications/AMDI/87/S3354.pdf)
8. **Amendment S-3356** (committee substitute) — [source](https://www.legis.iowa.gov/docs/publications/AMDI/87/S3356.pdf)
9. **Amendment S-3358** (committee substitute) — [source](https://www.legis.iowa.gov/docs/publications/AMDI/87/S3358.pdf)
10. **Amendment S-3387** (committee substitute) — [source](https://www.legis.iowa.gov/docs/publications/AMDI/87/S3387.pdf)
11. **Reprinted** (committee substitute) — [source](https://www.legis.iowa.gov/docs/publications/LGR/87/attachments/SF512.html)
12. **Enrolled** (enrolled) — [source](https://www.legis.iowa.gov/docs/publications/LGE/87/attachments/SF512.html)

## Votes

- Shall the bill pass? — **31–19** (pass) · upper
- Shall the bill pass? — **59–41** (pass) · lower
- Shall the bill pass? — **79–19** (pass) · lower
- Shall amendment S-3358 be adopted? — **21–29** (fail) · upper
- Shall amendment S-3331 be adopted? — **16–34** (fail) · upper
- Shall amendment S-3354 be adopted? — **22–28** (fail) · upper
- Shall amendment S-3332 be adopted? — **17–33** (fail) · upper

## Timeline

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

- **2017-04-17** Introduced, placed on Appropriations calendar. `introduction`
- **2017-04-17** Committee report, approving bill.
- **2017-04-17** Referred to Ways and Means. `referral-committee`
- **2017-04-17** Subcommittee: Feenstra, Anderson, Behn, et al..
- **2017-04-17** Committee report, recommending passage. `committee-passage`
- **2017-04-18** Amendments S-3331, S-3332, S-3336, and S-3341 filed.
- **2017-04-18** Fiscal note.
- **2017-04-19** Point of order raised on S-3331, ruled in order.
- **2017-04-19** Amendment S-3331 lost. `amendment-failure`
- **2017-04-19** Amendment S-3356 filed, adopted. `amendment-introduction, amendment-passage`
- **2017-04-19** Amendments S-3336 and S-3341 out of order.
- **2017-04-19** Amendment S-3332 lost. `amendment-failure`
- **2017-04-19** Amendment S-3358 filed, lost. `amendment-introduction`
- **2017-04-19** Amendment S-3354 filed, lost. `amendment-introduction`
- **2017-04-19** Passed Senate, ayes 31, nays 19. `passage`
- **2017-04-19** Immediate message.
- **2017-04-19** Message from Senate.
- **2017-04-20** Read first time, passed on file. `reading-1`
- **2017-04-20** Substituted for HF 612.
- **2017-04-20** Amendment H-1440 filed. `amendment-introduction`
- **2017-04-20** Amendment H-1442 to H-1440 filed, lost.
- **2017-04-20** Amendment H-1440 adopted. `amendment-passage`
- **2017-04-20** Passed House, ayes 79, nays 19. `passage`
- **2017-04-21** Explanation of vote.
- **2017-04-20** Immediate message.
- **2017-04-21** Message from House, with amendment S-3387.
- **2017-04-21** Fiscal note.
- **2017-04-21** Senate refused to concur with S-3387.
- **2017-04-21** Immediate message.
- **2017-04-21** Message from Senate.
- **2018-01-23** House receded.
- **2018-01-23** Passed House, ayes 59, nays 41. `passage`
- **2018-01-23** Immediate message.
- **2018-01-24** Message from House.
- **2018-01-31** Fiscal note.
- **2018-01-29** Reported correctly enrolled, signed by President and Speaker.
- **2018-01-29** Sent to Governor. `executive-receipt`
- **2018-01-31** 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/dbbf0247-00e6-476e-9856-b34038ef6985`. Confidence: reported (aggregated from official Iowa legislature records).