Clean Water Act discharge permit · NPDES ILG840124

RELIABLE MATERIALS LYONS QUARRY, Lyons, IL: NPDES ILG840124 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
4Pollutants under a numeric limit
2Pollutants with an effluent exceedance

RELIABLE MATERIALS LYONS QUARRY, held by RELIABLE MATERIALS LYONS LLC, holds NPDES permit ILG840124, which discharges to Tributary To Des Plaines River. EPA’s file records it issued March 23, 2012 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	RELIABLE MATERIALS LYONS QUARRY
Permittee as filed	RELIABLE MATERIALS LYONS LLC
NPDES ID	ILG840124
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	March 23, 2012
Expiration date	February 28, 2017
Address	Lyons, IL 60534
Receiving water	TRIBUTARY TO DES PLAINES RIVER
Receiving water impaired	303(D) Listed
Subwatershed	Goose Lake-Des Plaines River (HUC 071200040706)
SIC	1422 – Crushed And Broken Limestone

Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download.

Effluent limits and exceedances

4Pollutants on file
4Under a numeric limit
4With a violation of any kind
2With 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	2	22	4	June 30, 2014	837% over the limit
pH	2	20	2	May 31, 2013
Flow, in conduit or thru treatment plant	1	9	0
Offensive Conditions	1	9	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 ILG840124.

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 ILG840124 there.

Nearby on the register

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

This page is a public-records entry for Reliable Materials Lyons Quarry in Lyons, IL, covering NPDES permit ILG840124, held by Reliable Materials Lyons LLC and discharging to Tributary To Des Plaines River. The permit is listed as administratively continued, with a minor discharger class, 2 pollutants under a numeric limit, and 2 pollutants with an effluent exceedance.