HB4418

EPA-STORMWATER-PLASTIC PELLET

Final Passage·5/28/26

Illinois HB4418 mandates the Illinois Environmental Protection Agency to develop stormwater pollution prevention plans for facilities regulated under.

Illinois HB4418 amends the Environmental Protection Act to require the Illinois Environmental Protection Agency to create and implement requirements for a Stormwater Pollution Prevention Plan within one year of the bill's effective date. These requirements, to be included in National Pollutant Discharge Elimination System (NPDES) permits, focus on controlling plastic pellets and other preproduction plastic materials in stormwater runoff from regulated facilities.

Included in complete analysis

  • Overview
  • Core Provisions
  • Implementation
  • Impact
  • Legal Framework
  • Critical Issues

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Where it stands

Last
Passed both chambers · May 28
Current
Awaiting the Governor
Next
Session adjourned — paused until it reconvenes

Sponsors

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14
1
R
Democratic CaucusRepublican Caucus

Calendar

May 21

10:00 AM

Senate Environment and Conservation Committee Hearing

Feb 17

4:00 PM

House Energy & Environment Committee Hearing

History

Jun 26

House

Sent to the Governor

Jun 1

Senate

Added as Alternate Co-Sponsor Sen. Steve Stadelman

May 31

Senate

Added as Alternate Co-Sponsor Sen. Robert F. Martwick