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Clean Water Act discharge permit · NPDES ILG840011

HOLCIM - MAMR, INC - CAVE-IN-ROCK QUARRY, Cave-In-Rock, IL: NPDES ILG840011 discharge permit, effluent exceedances, inspections, penalties

HOLCIM - MAMR, INC - CAVE-IN-ROCK QUARRY, held by LAFARGE AGGREGATES ILLINOIS, INC, holds NPDES permit ILG840011, which discharges to Unnamed Trib Of Ohio River. EPA’s file records it issued April 26, 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 filedHOLCIM - MAMR, INC - CAVE-IN-ROCK QUARRY
Permittee as filedLAFARGE AGGREGATES ILLINOIS, INC
NPDES IDILG840011
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedApril 26, 2012
Expiration dateFebruary 28, 2017
AddressCave-In-Rock, IL 62919
Receiving waterUNNAMED TRIB OF OHIO RIVER
Receiving water impaired303(D) Listed
SubwatershedPeters Creek-Ohio River (HUC 051402030306)
SIC1422 – Crushed And Broken Limestone
Other EPA IDs (FRS)RCRA handler ILD984802173; ICIS-AIR source IL000069852AAA

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

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 measureLimitsViolations, any kindEffluent exceedancesLatest exceedanceLargest exceedance, as filed
Solids, total suspended88314February 28, 2007154% over the limit
pH8711July 31, 2020
Flow, in conduit or thru treatment plant5460
Offensive Conditions4170

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

EPA’s single-event violation file, as loaded, holds no violation for NPDES ILG840011.

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 ILG840011 there.

Nearby on the register

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

What this page shows

This EPA public-records page covers NPDES permit ILG840011 for the HOLCIM - MAMR, INC - CAVE-IN-ROCK QUARRY in Cave-In-Rock, IL, held by LAFARGE AGGREGATES ILLINOIS, INC, which discharges to UNNAMED TRIB OF OHIO RIVER within the Peters Creek-Ohio River (HUC 051402030306) subwatershed. The permit is listed as administratively continued, a minor discharger, and coverage under a general permit, with issue and expiration dates of April 26, 2012 and February 28, 2017. The page reports 2 pollutants under a numeric limit and 2 pollutants with an effluent ex