Clean Water Act discharge permit · NPDES INRM01878

MODERN FORGE INDIANA LLC, Merrillville, IN: NPDES INRM01878 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

MODERN FORGE INDIANA LLC, held by Modern Forge Indiana LLC, holds NPDES permit INRM01878, which discharges to Deep River. EPA’s file records it issued July 9, 2020 and expiring October 13, 2025.

MODERN FORGE INDIANA LLC, Merrillville, Indiana: Individual permit INRM01878, held by Modern Forge Indiana LLC; Industrial stormwater; Effective; issued July 9, 2020, term to October 13, 2025, by IDEM; discharges to Deep River.

Indiana holds 1,027 Industrial stormwater coverages of this permit type in EPA’s file; 700 were issued before INRM01878.

Coverages issued nearest INRM01878

June 30, 2020: GAF/ELK MATERIALS CORPORATION, Michigan City, INRM00063, held by GAF/Elk Materials Corporation
July 2, 2020: PPG INDUSTRIES INCORPORATED, Brazil, INRM01921, held by PPG Industries Incorporated
July 2, 2020: E & B PAVING LLC BLOOMINGTON MARTINSVILLE, Martinsville, INRM02682, held by E & B Paving LLC Bloomington Martinsville
July 7, 2020: FORT WAYNE POOLS INC, Fort Wayne, INRM00147, held by Fort Wayne Pools Inc
July 8, 2020: BLOOMINGTON AUTO PARTS, Bloomington, INRM01328, held by Bloomington Auto Parts
July 9, 2020: SPECTRUM BRANDS - GLOBAL PET CARE, Noblesville, INRM01924, held by Spectrum Brands - Global Pet Care
July 10, 2020: SILGAN CLOSURES LLC, Richmond, INRM00578, held by Silgan Closures LLC
July 14, 2020: HURST MANUFACTURING FACILITY / NIDEC MOTOR CORPORATION, Princeton, INRM00148, held by Hurst Manufacturing Facility / NIDEC Motor Corporation
July 14, 2020: NEW HORIZONS BAKING COMPANY, Fremont, INRM01908, held by New Horizons Baking Company
July 23, 2020: KUERT CONCRETE INCORPORATED, Goshen, INRM01005, held by Kuert Concrete Incorporated

MODERN FORGE INDIANA LLC among its neighbors

EPA’s permit file holds 84 discharge permits in the Main Beaver Dam Ditch-Deep River subwatershed (HUC 040400010502), INRM01878 among them. Its county holds 204, 18 of them major permits; INRM01878 is a minor permit.

Other permits in the Main Beaver Dam Ditch-Deep River subwatershed (HUC 040400010502)

2277 E. 88TH DRIVE COMMERCIAL SITE, Merrillville: INRA18118, minor permit, permit term to May 10, 2031
25-0108 DEERFIELD COMMONS, Merrillville: INRA18671, minor permit, permit term to August 5, 2031
7618 CROWN POINT, Crown Point: INRA17848, minor permit, permit term to March 30, 2031
AMAZON.COM SERVICES LLC - DII4, Crown Point: INRM02780, minor permit, permit term to July 15, 2026
AMAZON.COM SERVICES LLC - PPO4, Merrillville: INRM03083, minor permit, discharging to Deep River, permit term to May 10, 2029
ARCADIA/SAXUM COLD STORAGE, Crown Point: INRA14554, minor permit, permit term to August 28, 2029
AVANTI LLC, Merrillville: INRA12371, minor permit, permit term to August 15, 2028
BEACON HILL SOUTH - LOT 2C, Crown Point: INRA14628, minor permit, permit term to September 10, 2029
BEACON HILL SOUTH COMMERCIAL SUBDIVISION, Crown Point: INRA10537, minor permit, permit term to September 18, 2027
BHS LOT 2B, Crown Point: INRA15808, minor permit, permit term to April 15, 2030

What the register holds for MODERN FORGE INDIANA LLC: its NPDES ID, its permit type and status, its dates, its address in Merrillville, Indiana, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES INRM01878.

Identity

Facility as filed	MODERN FORGE INDIANA LLC
Permittee as filed	Modern Forge Indiana LLC
NPDES ID	INRM01878
Permit status	Effective
Permit type	Individual permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Program	Industrial stormwater
Issued	July 9, 2020
Expiration date	October 13, 2025
Issuing agency	IDEM
Address	Merrillville, IN 46410
Receiving water	Deep River
Subwatershed	Main Beaver Dam Ditch-Deep River (HUC 040400010502)

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 INRM01878.

Inspections, violations and enforcement

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES INRM01878.

Inspections

EPA’s inspection file holds no inspection for NPDES INRM01878.

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 INRM01878.

Watch this permit

One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, INRM01878.

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Nearby on the register

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

MODERN FORGE INDIANA LLC is one of 43 storm water industrial permits in Lake County, and 72.1% of those 43 were issued before its July 9, 2020 issue date. The permit also has zero pollutants under a numeric limit and zero pollutants with an effluent exceedance, and it sits among 84 NPDES permits in the Main Beaver Dam Ditch-Deep River subwatershed.