Clean Water Act discharge permit · NPDES IN0054178

LINDE GAS NORTH AMERICA LLC HAMMOND FACILITY, Hammond, IN: NPDES IN0054178 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
9Pollutants under a numeric limit
2Pollutants with an effluent exceedance
0Inspections on file
0Formal enforcement actions

LINDE GAS NORTH AMERICA LLC HAMMOND FACILITY, held by LINDE GAS LLC - HAMMOND FACILITY, holds NPDES permit IN0054178, which discharges to Gcr Via Unnamed Pond, Unnamed Ditch. EPA’s file records it issued May 23, 2012 and expiring August 31, 2017.

LINDE GAS NORTH AMERICA LLC HAMMOND FACILITY, Hammond, Indiana: Individual permit IN0054178, held by LINDE GAS LLC - HAMMOND FACILITY; Administratively continued (past its expiration date and still in force until reissued); issued May 23, 2012, term to August 31, 2017, by IDEM; discharges to GCR VIA UNNAMED POND, UNNAMED DITCH.

Chlorine, total residual: 2 limits, 64 violations of any kind, 34 effluent exceedances, latest October 31, 2021, largest 1,350% over the limit.
pH: 4 limits, 128 violations of any kind, 32 effluent exceedances, latest December 31, 2011.
Flow, in conduit or thru treatment plant: 2 limits, 72 violations of any kind, 0 effluent exceedances.
Temperature, water deg. fahrenheit: 7 limits, 54 violations of any kind, 0 effluent exceedances.
Oil & Grease: 0 limits, 36 violations of any kind, 0 effluent exceedances.
Flow, total: 1 limit, 19 violations of any kind, 0 effluent exceedances.
Solids, total suspended: 2 limits, 4 violations of any kind, 0 effluent exceedances.
Chemical Oxygen Demand [COD]: 2 limits, 4 violations of any kind, 0 effluent exceedances.
Storm water flow: 2 limits, 4 violations of any kind, 0 effluent exceedances.
Oil and grease, hexane extr method: 2 limits, 2 violations of any kind, 0 effluent exceedances.
Phosphorus, total [as P]: 0 limits, 1 violation of any kind, 0 effluent exceedances.

LINDE GAS NORTH AMERICA LLC HAMMOND FACILITY among its neighbors

EPA’s permit file holds 48 discharge permits in the Headwaters Grand Calumet River subwatershed (HUC 071200030406), IN0054178 among them. Its county holds 204, 18 of them major permits; IN0054178 is a minor permit.

Other permits in the Headwaters Grand Calumet River subwatershed (HUC 071200030406)

15TH AVENUE, Gary: INRA18295, minor permit, permit term to June 4, 2031
27TH AND CHASE PUMP STATION AND FORCE MAIN PHASE 3, Gary: INRA16212, minor permit, permit term to July 31, 2030
AMERICAN PRECISION SERVICES, Gary: INRA18187, minor permit, permit term to May 19, 2031
BEYOND 4 WALLS PROJECT, Gary: INRA07724, minor permit, permit term to May 6, 2026
BLAINE STREET PARTNERS RECYCLING & TRANSFER STATION, Gary: INRM03269, minor permit, permit term to May 3, 2031
BUCKEYE TERMINALS HAMMOND TERMINAL, Hammond: ING340066, minor permit, discharging to Grand Calumet River, permit term to October 31, 2020
CALUMET FLEXICORE CORP, Hammond: IN0052825, minor permit, discharging to GRAND CALUMET R TO LAKE MICHIGAN, permit term to June 30, 2010
COMPLETE STREETS ENHANCEMENTS, Gary: INRA11839, minor permit, permit term to May 22, 2028
DEMOLITION OF GARY MANOR HOMES, GARY HOUSING AUTHORITY, Gary: INRA09351, minor permit, permit term to March 15, 2027
EXPLORER PIPELINE CO - HAMMOND STATION, Hammond: ING080169, minor permit, discharging to GRAND CALUMENT R VIA CULVERT VIA D, permit term to June 30, 2007

Identity

Facility as filed	LINDE GAS NORTH AMERICA LLC HAMMOND FACILITY
Permittee as filed	LINDE GAS LLC - HAMMOND FACILITY
NPDES ID	IN0054178
Permit status	Administratively continued (past its expiration date and still in force until reissued)
Permit type	Individual permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Issued	May 23, 2012
Expiration date	August 31, 2017
Issuing agency	IDEM
Address	Hammond, IN 46323
Receiving water	GCR VIA UNNAMED POND, UNNAMED DITCH
Subwatershed	Headwaters Grand Calumet River (HUC 071200030406)
SIC	2813 – Industrial Gases
Other EPA IDs (FRS)	RCRA handler IND982204141

Effluent limits and exceedances

11Pollutants on file
9Under a numeric limit
11With 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
Chlorine, total residual	2	64	34	October 31, 2021	1,350% over the limit
pH	4	128	32	December 31, 2011
Flow, in conduit or thru treatment plant	2	72	0
Temperature, water deg. fahrenheit	7	54	0
Oil & Grease	0	36	0
Flow, total	1	19	0
Solids, total suspended	2	4	0
Chemical Oxygen Demand [COD]	2	4	0
Storm water flow	2	4	0
Oil and grease, hexane extr method	2	2	0
Phosphorus, total [as P]	0	1	0

Inspections, violations and enforcement

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES IN0054178.

Inspections

EPA’s inspection file holds no inspection for NPDES IN0054178.

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 IN0054178.

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

This public-records page covers Clean Water Act NPDES permit IN0054178 for Linde Gas North America LLC's Hammond facility in Hammond, IN, which discharges to Gcr Via Unnamed Pond and Unnamed Ditch. The page lists a Minor discharger class, 9 pollutants under a numeric limit, and 2 pollutants with an effluent exceedance, and it notes the permit is administratively continued.