Clean Water Act discharge permit · NPDES ILG840224

VULCAN CONSTRUCTION MATERIALS LLC LEMONT QUARRY, Romeoville, IL: NPDES ILG840224 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
4Pollutants under a numeric limit
1Pollutants with an effluent exceedance

VULCAN CONSTRUCTION MATERIALS LLC LEMONT QUARRY, held by VULCAN CONSTRUCTION MATERIALS LP, holds NPDES permit ILG840224, which discharges to Unnamed Trib To Des Plaines River. EPA’s file records it issued September 18, 2015 and expiring February 28, 2017. 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.

Identity

Facility as filed	VULCAN CONSTRUCTION MATERIALS LLC LEMONT QUARRY
Permittee as filed	VULCAN CONSTRUCTION MATERIALS LP
NPDES ID	ILG840224
Permit status	Administratively continued (past its expiration date and still in force until reissued)
Permit type	Coverage under a general permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Issued	September 18, 2015
Expiration date	February 28, 2017
Address	Romeoville, IL 60563
Receiving water	UNNAMED TRIB TO DES PLAINES RIVER
Receiving water impaired	303(D) Listed
Subwatershed	Goose Lake-Des Plaines River (HUC 071200040706)
SIC	1422 – Crushed And Broken Limestone
Other EPA IDs (FRS)	RCRA handler ILR000113266; ICIS-AIR source IL000197803AAM

Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download; cross-program IDs from EPA’s FRS facility-registry crosswalk.

Effluent limits and exceedances

4Pollutants on file
4Under a numeric limit
2With a violation of any kind
1With an effluent exceedance

An effluent exceedance is a discharge monitoring report value over the permit’s numeric limit (EPA’s violation code E90). A violation of any kind also counts a report not filed. Each row is EPA’s own count for that pollutant.

Pollutant or measure	Limits	Violations, any kind	Effluent exceedances	Latest exceedance	Largest exceedance, as filed
Solids, total suspended	4	10	10	December 31, 2025	116% over the limit
Flow, in conduit or thru treatment plant	2	1	0
pH	4	0	0
Offensive Conditions	2	0	0

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 ILG840224.

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.

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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 ILG840224 there.

Nearby on the register

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

This public-records page covers NPDES permit ILG840224, held by VULCAN CONSTRUCTION MATERIALS LLC LEMONT QUARRY in Romeoville, IL, which discharges to UNNAMED TRIB TO DES PLAINES RIVER within the Goose Lake-Des Plaines River (HUC 071200040706) subwatershed. The permit is administratively continued, with a Minor Discharger class of 4, one pollutant under a numeric limit, and one pollutant with an effluent exceedance. EPA's file lists the permit as issued September 18, 2015, with an expiration date of February 28, 2017.