---
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: "2018"
identifier: "HB 1233"
citation: "Indiana HB 1233 (2018)"
classification: ["bill"]
subjects: ["ENVIRONMENTAL MANAGEMENT", "DEPARTMENT AND AGENCIES", "SOLID WASTE"]
status: "enacted"
primary_sponsors: ["David Wolkins", "Eric Bassler"]
version_count: 6
action_count: 36
vote_count: 2
first_action: "2018-01-11"
last_action: "2018-03-21"
source: "openstates"
source_identifier: "ocd-bill/912b3348-b82a-4b7c-b287-134939c7e4d4"
source_url: "http://iga.in.gov/legislative/2018/bills/house/1233"
source_hash: "77649c00e7dd65ea68b9c43d9b905fed158e5849f0c498dc0717d1ab85edf1be"
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 HB 1233 (2018) — 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 House Bill (H)** (committee substitute) — [source](http://in-proxy.openstates.org/2018/bills/hb1233/versions/hb1233.05.engs)
2. **Engrossed House Bill (S)** (committee substitute) — [source](http://in-proxy.openstates.org/2018/bills/hb1233/versions/hb1233.03.engh)
3. **Enrolled House Bill (H)** (committee substitute) — [source](http://in-proxy.openstates.org/2018/bills/hb1233/versions/hb1233.06.enrs)
4. **House Bill (H)** (committee substitute) — [source](http://in-proxy.openstates.org/2018/bills/hb1233/versions/hb1233.02.comh)
5. **House Bill (S)** (committee substitute) — [source](http://in-proxy.openstates.org/2018/bills/hb1233/versions/hb1233.04.coms)
6. **Introduced House Bill (H)** (committee substitute) — [source](http://in-proxy.openstates.org/2018/bills/hb1233/versions/hb1233.01.intr)

## Votes

- HB 1233 - Wolkins - 3rd Reading — **92–0** (pass) · legislature
- HB 1233 - Bassler - 3rd Reading — **47–2** (pass) · legislature

## Sponsors

- David Wolkins — primary (person)
- Eric Bassler — primary (person)
- David Niezgodski — cosponsor (person)
- Don Lehe — coauthor (person)
- Doug Miller — coauthor (person)
- Lonnie Randolph — cosponsor (person)
- Sue Errington — coauthor (person)

## Timeline

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

- **2018-01-11** Coauthored by Representatives Errington and Lehe
- **2018-01-11** Authored by Representative Wolkins
- **2018-01-11** First reading: referred to Committee on Environmental Affairs `reading-1, referral-committee`
- **2018-01-22** Representative Miller added as coauthor
- **2018-01-25** Committee report: amend do pass, adopted `committee-passage`
- **2018-01-29** Amendment #1 (Wolkins) prevailed; voice vote `amendment-passage, amendment-failure`
- **2018-01-29** Second reading: amended, ordered engrossed `reading-2`
- **2018-01-30** Senate sponsor: Senator Bassler
- **2018-01-30** Third reading: passed; Roll Call 93: yeas 92, nays 0 `reading-3, passage`
- **2018-01-31** Referred to the Senate
- **2018-02-01** First reading: referred to Committee on Environmental Affairs `reading-1, referral-committee`
- **2018-02-22** Committee report: amend do pass, adopted `committee-passage`
- **2018-02-26** Senator Niezgodski added as cosponsor
- **2018-02-26** Senator Randolph added as cosponsor
- **2018-03-01** Amendment #2 (Brown L) prevailed; voice vote `amendment-passage, amendment-failure`
- **2018-03-01** Amendment #3 (Bassler) prevailed; voice vote `amendment-passage, amendment-failure`
- **2018-03-01** Amendment #5 (Young M) prevailed; voice vote `amendment-passage, amendment-failure`
- **2018-03-01** Amendment #4 (Bassler) prevailed; voice vote `amendment-passage, amendment-failure`
- **2018-03-01** Second reading: amended, ordered engrossed `reading-2`
- **2018-03-05** Third reading: passed; Roll Call 293: yeas 47, nays 2 `reading-3, passage`
- **2018-03-06** Returned to the House with amendments `amendment-failure`
- **2018-03-07** Motion to dissent filed
- **2018-03-07** House dissented from Senate amendments `amendment-failure`
- **2018-03-07** House conferees appointed: Wolkins and Errington
- **2018-03-07** House advisors appointed: Miller D, Lehe and Hamilton
- **2018-03-07** Senate conferees appointed: Bassler and Niezgodski
- **2018-03-07** Senate advisors appointed: Eckerty, Stoops and Doriot
- **2018-03-14** CCR # 1 filed in the House
- **2018-03-14** CCR # 1 filed in the Senate
- **2018-03-14** Rules Suspended. Conference Committee Report 1: adopted by the House; Roll Call 391: yeas 92, nays 5
- **2018-03-14** Rules Suspended. Conference Committee Report 1: adopted by the Senate; Roll Call 408: yeas 36, nays 12
- **2018-03-15** Signed by the President Pro Tempore
- **2018-03-19** Signed by the Speaker
- **2018-03-20** Signed by the President of the Senate
- **2018-03-21** Public Law 181
- **2018-03-21** 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/912b3348-b82a-4b7c-b287-134939c7e4d4`. Confidence: reported (aggregated from official Indiana legislature records).