Clean Water Act discharge permit · NPDES ILG840213

COLUMBIA QUARRY COMPANY, Dupo, IL: NPDES ILG840213 discharge permit, effluent exceedances, inspections, penalties

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

COLUMBIA QUARRY COMPANY, held by COLUMBIA QUARRY, holds NPDES permit ILG840213, which discharges to Prairie Dupont Drainage Ditch. EPA’s file records it issued August 29, 2013 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	COLUMBIA QUARRY COMPANY
Permittee as filed	COLUMBIA QUARRY
NPDES ID	ILG840213
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	August 29, 2013
Expiration date	February 28, 2017
Address	Dupo, IL 62239
Receiving water	PRAIRIE DUPONT DRAINAGE DITCH
Subwatershed	Palmer Creek-Mississippi River (HUC 071401010507)
SIC	1422 – Crushed And Broken Limestone
Other EPA IDs (FRS)	RCRA handler ILR000077040; ICIS-AIR source IL000163819AAC

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
1With 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	4	4	February 29, 2020	37% over the limit
pH	4	0	0
Flow, in conduit or thru treatment plant	2	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 ILG840213.

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 ILG840213 there.

Nearby on the register

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

This public-records page covers NPDES permit ILG840213 held by COLUMBIA QUARRY COMPANY in Dupo, IL, which discharges to Prairie Dupont Drainage Ditch within the Palmer Creek-Mississippi River subwatershed (HUC 071401010507). The permit is administratively continued, with a Minor Discharger class, 4 pollutants under a numeric limit, and 1 pollutant with an effluent exceedance.