---
type: "Bill"
title: "EPA-POLLUTION CONTROL FACILITY"
description: "Amends the Environmental Protection Act. Excludes certain wood-fired and biomass-fired boiler facilities, or portions thereof, from the definition of \"pollution control facility\". Effective immediately."
jurisdiction: "us/states/il"
legislature: "Illinois General Assembly"
session: "95th"
identifier: "HB 937"
citation: "Illinois HB 937 (95th)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: []
version_count: 3
action_count: 45
vote_count: 2
first_action: "2007-02-08"
last_action: "2007-08-13"
source: "openstates"
source_identifier: "ocd-bill/5698fd95-083c-47ff-9687-e517e1dde50d"
source_url: "http://ilga.gov/legislation/BillStatus.asp?DocNum=937&GAID=9&DocTypeID=HB&LegId=28520&SessionID=51&GA=95"
source_hash: "5b8dbc9dd348fb96c8acb1e5d5bf1e0ecec8d8c3dd725ff50f13aec2fa12f9cf"
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-il"]
---

# Illinois HB 937 (95th) — EPA-POLLUTION CONTROL FACILITY

Amends the Environmental Protection Act. Excludes certain wood-fired and biomass-fired boiler facilities, or portions thereof, from the definition of "pollution control facility". Effective immediately.

## Version chain

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

1. **Introduced** (filed) — [source](http://ilga.gov/legislation/fulltext.asp?DocName=09500HB0937&GA=95&SessionId=51&DocTypeId=HB&LegID=28520&DocNum=937&GAID=9&Session=&print=true)
2. **Engrossed** (committee substitute) — [source](http://ilga.gov/legislation/fulltext.asp?DocName=09500HB0937eng&GA=95&SessionId=51&DocTypeId=HB&LegID=28520&DocNum=937&GAID=9&Session=&print=true)
3. **Enrolled** (enrolled) — [source](http://ilga.gov/legislation/fulltext.asp?DocName=09500HB0937enr&GA=95&SessionId=51&DocTypeId=HB&LegID=28520&DocNum=937&GAID=9&Session=&print=true)

## Votes

- Third Reading — **54–2** (pass) · upper
- Third Reading — **98–15** (pass) · lower

## Sponsors

- Louis S. Viverito — cosponsor (person)
- William Davis — primary (person)

## Timeline

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

- **2007-02-08** Filed with the Clerk by Rep. William Davis `filing`
- **2007-02-08** Added Chief Co-Sponsor Rep. Robert Rita
- **2007-02-08** Added Chief Co-Sponsor Rep. David E. Miller
- **2007-02-08** Added Chief Co-Sponsor Rep. Kevin A. McCarthy
- **2007-02-08** Added Chief Co-Sponsor Rep. Michael Tryon
- **2007-02-08** Added Co-Sponsor Rep. Daniel J. Burke
- **2007-02-08** First Reading `reading-1`
- **2007-02-08** Referred to Rules Committee `referral-committee`
- **2007-02-15** Assigned to Environment & Energy Committee `referral-committee`
- **2007-02-16** Added Co-Sponsor Rep. Thomas Holbrook
- **2007-02-16** Added Co-Sponsor Rep. Angelo Saviano
- **2007-02-16** Added Co-Sponsor Rep. Kurt M. Granberg
- **2007-02-16** Added Co-Sponsor Rep. Patrick J Verschoore
- **2007-02-21** Added Co-Sponsor Rep. Brandon W. Phelps
- **2007-02-22** Added Co-Sponsor Rep. Richard T. Bradley
- **2007-02-22** Do Pass / Short Debate Environment & Energy Committee; 019-000-001 `committee-passage`
- **2007-02-23** Placed on Calendar 2nd Reading - Short Debate
- **2007-02-23** House Floor Amendment No. 1 Filed with Clerk by Rep. William Davis `amendment-introduction`
- **2007-02-23** House Floor Amendment No. 1 Referred to Rules Committee `referral-committee`
- **2007-02-27** House Floor Amendment No. 1 Fiscal Note Filed as Amended
- **2007-03-06** House Floor Amendment No. 1 Recommends Be Adopted Rules Committee; 003-000-000 `committee-passage-favorable`
- **2007-03-13** Second Reading - Short Debate `reading-2`
- **2007-03-13** House Floor Amendment No. 1 Adopted by Voice Vote `amendment-passage`
- **2007-03-13** Placed on Calendar Order of 3rd Reading - Short Debate
- **2007-03-21** Third Reading - Short Debate - Passed 098-015-001 `reading-3, passage`
- **2007-03-22** Arrive in Senate `introduction`
- **2007-03-22** Placed on Calendar Order of First Reading March 27, 2007 `reading-1`
- **2007-03-22** Chief Senate Sponsor Sen. Edward D. Maloney
- **2007-03-22** Added as Alternate Chief Co-Sponsor Sen. James T. Meeks
- **2007-03-22** Alternate Chief Sponsor Changed to Sen. James T. Meeks
- **2007-03-22** First Reading `reading-1`
- **2007-03-22** Referred to Rules `referral-committee`
- **2007-03-29** Added as Alternate Co-Sponsor Sen. Louis S. Viverito
- **2007-03-30** Added as Alternate Chief Co-Sponsor Sen. Debbie DeFrancesco Halvorson
- **2007-03-30** Assigned to Environment and Energy `referral-committee`
- **2007-04-19** Do Pass Environment and Energy; 010-000-000 `committee-passage`
- **2007-04-19** Placed on Calendar Order of 2nd Reading April 20, 2007
- **2007-05-15** Second Reading `reading-2`
- **2007-05-15** Placed on Calendar Order of 3rd Reading May 16, 2007
- **2007-05-16** Third Reading - Passed; 054-002-000 `reading-3, passage`
- **2007-05-16** Passed Both Houses
- **2007-06-14** Sent to the Governor `executive-receipt`
- **2007-08-13** Governor Approved `executive-signature`
- **2007-08-13** Effective Date August 13, 2007
- **2007-08-13** Public Act . . . . . . . . . 95-0131 `became-law`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/5698fd95-083c-47ff-9687-e517e1dde50d`. Confidence: reported (aggregated from official Illinois legislature records).