Bill Title: 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.

Sponsorship: Strong Partisan Bill (Democrat 14-1)

Status: (Enrolled) 2026-06-01 - Added as Alternate Co-Sponsor Sen. Steve Stadelman [HB4418 Detail]

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Bill Drafts

Revision	Date	Format	Source	View
Enrolled	2026-05-29	HTML/Text	Link	View
Engrossed	2026-04-08	HTML/Text	Link	View
Introduced	2026-01-14	HTML/Text	Link	View

Amendments

Amendment	Date	Disposition	Format	Source	View
No bill amendments currently on file for Illinois HB4418

Supplemental Documents

Title	Description	Date	Format	Source	View
No supplemental documents for Illinois HB4418 currently on file.