---
type: "Bill"
title: "A BILL FOR AN ACT to amend the Indiana Code concerning environmental law."
description: "A BILL FOR AN ACT to amend the Indiana Code concerning environmental law."
jurisdiction: "us/states/in"
legislature: "Indiana General Assembly"
session: "2017"
identifier: "SB 421"
citation: "Indiana SB 421 (2017)"
classification: ["bill"]
subjects: ["ENVIRONMENTAL MANAGEMENT", "DEPARTMENT AND AGENCIES", "LEGISLATIVE COUNCIL; LEGISLATIVE SERVICES AGENCY", "WATER", "Pollution", "STUDY COMMITTEES"]
status: "enacted"
primary_sponsors: ["David Wolkins", "Ed Charbonneau", "Eric Bassler"]
version_count: 5
action_count: 21
vote_count: 2
first_action: "2017-01-10"
last_action: "2017-04-13"
source: "openstates"
source_identifier: "ocd-bill/56e15a71-b546-4526-bd06-01520051cef6"
source_url: "http://iga.in.gov/legislative/2017/bills/senate/421"
source_hash: "676cc40c75674c8ca639e4706abba9f500660f5635dfd279ed738ae69078e438"
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-in"]
---

# Indiana SB 421 (2017) — A BILL FOR AN ACT to amend the Indiana Code concerning environmental law.

## Version chain

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

1. **Engrossed Senate Bill (H)** (committee substitute) — [source](http://in-proxy.openstates.org/2017/bills/sb0421/versions/sb0421.03.engs)
2. **Enrolled Senate Bill (S)** (committee substitute) — [source](http://in-proxy.openstates.org/2017/bills/sb0421/versions/sb0421.05.enrh)
3. **Introduced Senate Bill (S)** (committee substitute) — [source](http://in-proxy.openstates.org/2017/bills/sb0421/versions/sb0421.01.intr)
4. **Senate Bill (S)** (committee substitute) — [source](http://in-proxy.openstates.org/2017/bills/sb0421/versions/sb0421.02.coms)
5. **Senate Bill (S)** (committee substitute) — [source](http://in-proxy.openstates.org/2017/bills/sb0421/versions/sb0421.04.comh)

## Votes

- SB 421 - Wolkins - 3rd Reading — **95–0** (pass) · legislature
- SB 421 - Bassler - 3rd Reading — **50–0** (pass) · legislature

## Sponsors

- David Wolkins — primary (person)
- Ed Charbonneau — primary (person)
- Eric Bassler — primary (person)
- Karen Tallian — coauthor (person)
- Lonnie Randolph — coauthor (person)

## Timeline

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

- **2017-01-10** Authored by Senator Bassler
- **2017-01-10** First reading: referred to Committee on Environmental Affairs `reading-1, referral-committee`
- **2017-02-02** Senator Charbonneau added as second author
- **2017-02-06** Senator Tallian added as coauthor
- **2017-02-07** Committee report: do pass, adopted `committee-passage`
- **2017-02-13** Amendment #1 (Tallian) prevailed; voice vote `amendment-passage, amendment-failure`
- **2017-02-13** Second reading: amended, ordered engrossed `reading-2`
- **2017-02-13** Senator Randolph added as coauthor
- **2017-02-14** Third reading: passed; Roll Call 122: yeas 50, nays 0 `reading-3, passage`
- **2017-02-14** House sponsor: Representative Wolkins
- **2017-02-16** Referred to the House
- **2017-02-28** First reading: referred to Committee on Environmental Affairs `reading-1, referral-committee`
- **2017-03-23** Committee report: do pass, adopted `committee-passage`
- **2017-03-27** Second reading: ordered engrossed `reading-2`
- **2017-03-28** Third reading: passed; Roll Call 326: yeas 95, nays 0 `reading-3, passage`
- **2017-03-29** Returned to the Senate without amendments
- **2017-04-05** Signed by the President Pro Tempore
- **2017-04-10** Signed by the Speaker
- **2017-04-12** Signed by the President of the Senate
- **2017-04-13** Public Law 72
- **2017-04-13** Signed by the Governor `executive-signature`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/56e15a71-b546-4526-bd06-01520051cef6`. Confidence: reported (aggregated from official Indiana legislature records).