Clean Water Act discharge permit · NPDES ILL074373

PLAINFIELD N STP, VILLAGE OF, Plainfield, IL: NPDES ILL074373 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
0Pollutants under a numeric limit
0Pollutants with an effluent exceedance

PLAINFIELD N STP, VILLAGE OF, held by PLAINFIELD, VILLAGE OF, holds NPDES permit ILL074373. EPA’s file records it issued January 1, 2021 and expiring December 31, 2025. The status and dates are as EPA’s permit file stood when Velarion loaded it (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

What the register holds for PLAINFIELD N STP, VILLAGE OF: its NPDES ID, its permit type and status, its dates, its address in Plainfield, Illinois. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES ILL074373.

Identity

Facility as filed	PLAINFIELD N STP, VILLAGE OF
Permittee as filed	PLAINFIELD, VILLAGE OF
NPDES ID	ILL074373
Permit status	Administratively continued (past its expiration date and still in force until reissued)
Permit type	Associated permit record
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Program	Biosolids
Issued	January 1, 2021
Expiration date	December 31, 2025
Address	Plainfield, IL 60544
Receiving water impaired	303(D) Listed
Subwatershed	Middle Du Page River (HUC 071200040808)

Cited to the EPA ICIS-NPDES permit file (ECHO download).

Effluent limits and exceedances

0Pollutants on file
0Under a numeric limit
0With a violation of any kind
0With an effluent exceedance

EPA’s limits and effluent violation files hold no pollutant row for NPDES ILL074373.

Cited to the EPA ICIS-NPDES limits and effluent violations files (ECHO download); up to 60 rows shown, most exceedances first.

Inspections, violations and enforcement

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES ILL074373.

Velarion’s copy of EPA’s ICIS-NPDES files does not include the inspections, formal enforcement actions and informal enforcement actions files, so this page shows none of them. EPA’s free Detailed Facility Report on ECHO lists this permit’s inspections, enforcement actions and penalties.

Cited to the EPA ICIS-NPDES violation, inspection and enforcement files (ECHO download); up to 50 rows of each shown, newest first.

Watch this permit

One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, ILL074373.

Start the watch

How we handle your data → Privacy

EPA publishes a free Detailed Facility Report for every permit on ECHO: its compliance status quarter by quarter, its inspections, and its enforcement actions and penalties. EPA also sends free notices of new inspections and enforcement actions through ECHO Notify; enter NPDES ID ILL074373 there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.

The PLAINFIELD N STP, VILLAGE OF permit is one of 27 biosolids permits in Will County, and about 11.1% of those 27 were issued earlier than this one. It sits among 45 NPDES permits in the Middle Du Page River subwatershed, and it has no pollutants under a numeric limit and no effluent exceedances on record, while 70.4% of the county's 27 biosolids permits have a violation on file.