HB 4418 Illinois House · 104th Regular Session

EPA-STORMWATER-PLASTIC PELLET

Summary

Amends the Environmental Protection Act. Provides that one year after the effective date of the amendatory Act, the Agency shall develop and begin implementation of requirements for a Stormwater Pollution Prevention Plan or other similar best management practice requirements, to be included in National Pollutant Discharge Elimination System (NPDES) permits issued to facilities regulated under certain federal regulations. Provides that these requirements apply to the control of plastic pellets or other preproduction plastic materials, in stormwater runoff from these facilities.

Issues: ✓ Environment

Bill status signed all 5 stages cleared

Introduction

Apr 2026

Committee Review

May 2026

House Passage

May 2026

Senate Passage

May 2026

Signed into Law

Aug 2026

Introduced Apr 10, 2026 Signed Aug 7, 2026

Maddy AI version diff · 2 comparisons

What changed between versions

Engrossed → Enrolled · 1 edit · Aug 7, 2026

MINOR

The bill text was updated from the 'Engrossed' version to the 'Enrolled' version, which is the final, official copy signed into law. No substantive policy changes, such as new rules, funding amounts, or eligibility criteria, were made in this specific text update; it represents a procedural step in the legislative process.

TECHNICAL

The bill header was changed from 'Engrossed' to 'Enrolled', indicating the bill has passed all legislative stages and is ready for the governor's signature.

Floor votes · Senate May 28, 2026 · House Apr 9, 2026

How they voted

43–13

Passed · 2 other

Total votes 58

May 28, 2026

D Democratic39

38 Yea 1 Nay

97% Yea

R Republican19

5 Yea 12 Nay 2

63% Nay

Vote distribution

All Yea All Nay Mixed No data

Full legislative history

Actions timeline

Total actions

Key actions

Committee

Aug 7, 2026

Signed into law

Governor Approved

lower

May 28, 2026

Lower · Passed

Passed Both Houses

lower

May 28, 2026

Upper · Passed

Third Reading - Passed; 044-013-000

upper

May 21, 2026

Upper · Passed

Do Pass Environment and Conservation; 007-003-000

upper

May 15, 2026

Upper · Passed

Rule 2-10 Committee Deadline Established As May 22, 2026

upper

May 14, 2026

Committee

Assigned to Environment and Conservation

upper

Apr 16, 2026

Committee

Referred to Assignments

upper

Apr 10, 2026

Introduced

Arrive in Senate

upper

Apr 9, 2026

Lower · Passed

Third Reading - Short Debate - Passed 069-033-000

lower

Feb 17, 2026

Lower · Passed

Do Pass / Short Debate Energy & Environment Committee; 018-010-000

lower

Feb 11, 2026

Committee

Assigned to Energy & Environment Committee

lower

Jan 14, 2026

Committee

Referred to Rules Committee

lower

2 primary · 13 co-sponsors