Clean Water Act discharge permit · NPDES INRM00582

ON MINERALS LLC CARMEUSE LIME & STONE, Portage, IN: NPDES INRM00582 discharge permit, effluent exceedances, inspections, penalties

EffectivePermit status
MinorDischarger class
0Pollutants under a numeric limit
0Pollutants with an effluent exceedance
0Inspections on file
0Formal enforcement actions

ON MINERALS LLC CARMEUSE LIME & STONE, held by On Minerals LLC Carmeuse Lime & Stone, holds NPDES permit INRM00582. EPA’s file records it issued August 28, 2018 and expiring August 27, 2023.

ON MINERALS LLC CARMEUSE LIME & STONE, Portage, Indiana: Individual permit INRM00582, held by On Minerals LLC Carmeuse Lime & Stone; Industrial stormwater; Effective; issued August 28, 2018, term to August 27, 2023, by IDEM.

Indiana holds 1,027 Industrial stormwater coverages of this permit type in EPA’s file; 282 were issued before INRM00582.

Coverages issued nearest INRM00582

August 20, 2018: CHM MANUFACTURING INCORPORATED, Wakarusa, INRM01666, held by CHM Manufacturing Incorporated
August 22, 2018: PRECISION PROPELLER INDUSTRIES INCORPORATED, Indianapolis, INRM01547, held by Precision Propeller Industries Incorporated
August 23, 2018: BLOCKSOM & COMPANY, Michigan City, INRM00405, held by Blocksom & Company
August 24, 2018: THOR WAKARUSA, LLC, Wakarusa, INRM01682, held by Thor Wakarusa, LLC
August 27, 2018: MARON PRODUCTS INCORPORATED, Mishawaka, INRM02459, held by Maron Products Incorporated
August 28, 2018: CSX INTERMODAL INDIANAPOLIS YARD, Avon, INRM01276, held by CSX Intermodal Indianapolis Yard
August 29, 2018: PARTINS USED CARS INC, Salem, INRM00841, held by Partins Used Cars Inc
August 29, 2018: UNITED SCRAP METAL IN LLC, Shelbyville, INRM02440, held by United Scrap Metal IN LLC
August 30, 2018: BROOKS CONSTRUCTION INCORPORATED, Fort Wayne, INRM01592, held by Brooks Construction Incorporated
August 30, 2018: BROOKS CONSTRUCTION CO INC, Fort Wayne, INRM01596, held by Brooks Construction Co Inc

ON MINERALS LLC CARMEUSE LIME & STONE among its neighbors

EPA’s permit file holds 107 discharge permits in the Calumet River-Frontal Lake Michigan subwatershed (HUC 040400010603), INRM00582 among them. Its county holds 88, 7 of them major permits; INRM00582 is a minor permit.

Other permits in the Calumet River-Frontal Lake Michigan subwatershed (HUC 040400010603)

12950 S. STONY ISLAND AVENUE, Chicago: ILR10ZDWT, minor permit, permit term to August 31, 2028
ATLAS TUBE INC, Chicago: ILR001091, minor permit, discharging to LAKE CALUMET, permit term to June 1, 2008
BP PRODUCTS WHITING REFINERY, Whiting: IN0000108, major permit, discharging to LAKE MICHIGAN, permit term to March 31, 2024
BUCKEYE KG999B1, East Chicago: INRA11590, minor permit, permit term to April 11, 2028
BUCKEYE PIPELINE COMPANY EAST CHICAGO STATION, East Chicago: ING340068, minor permit, discharging to Indiana Harbor Canal, permit term to October 31, 2020
BUCKEYE TERMINALS LLC - EAST CHICAGO TERMINAL, East Chicago: IN0063118, minor permit, discharging to LAKE MICHIGAN VIA INDIANA HARBOR CANAL, permit term to September 30, 2019
BUCKEYE TERMINALS LLC EAST CHICAGO TERMINAL, East Chicago: ING340080, minor permit, permit term to October 31, 2025
BUFFINGTON HARBOR DRIVE, Gary: INRA17999, minor permit, permit term to May 3, 2031
CALUMET COLLEGE, Hammond: INRA17957, minor permit, permit term to April 15, 2031
CALUMET ENERGY, Collinsville: ILG870863, minor permit, permit term to October 31, 2021

What the register holds for ON MINERALS LLC CARMEUSE LIME & STONE: its NPDES ID, its permit type and status, its dates, its address in Portage, Indiana. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES INRM00582.

Identity

Facility as filed	ON MINERALS LLC CARMEUSE LIME & STONE
Permittee as filed	On Minerals LLC Carmeuse Lime & Stone
NPDES ID	INRM00582
Permit status	Effective
Permit type	Individual permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Program	Industrial stormwater
Issued	August 28, 2018
Expiration date	August 27, 2023
Issuing agency	IDEM
Address	Portage, IN 46368
Subwatershed	Calumet River-Frontal Lake Michigan (HUC 040400010603)

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 INRM00582.

Inspections, violations and enforcement

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES INRM00582.

Inspections

EPA’s inspection file holds no inspection for NPDES INRM00582.

Formal enforcement and penalties

0 formal actions, 0 of them with a penalty assessed. Federal and state penalties are separate figures from separate authorities and are shown as each was filed, never added together.

Informal enforcement

EPA’s informal enforcement file holds no action for NPDES INRM00582.

Watch this permit

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Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.

The On Minerals LLC Carmeuse Lime & Stone storm water industrial permit in Portage, Porter County, is one of 15 such permits in the county, and its issue date of August 28, 2018 is earlier than 13.3% of those 15 permits. Among the 81 NPDES permits in the Calumet River-Frontal Lake Michigan subwatershed, this permit is one of the peers in that watershed. Its records show 0.0% of the county's 15 storm water industrial permits with a violation on file, and this permit has none of the pollutant limit or effluent exceedance records, both counted at 0.