Clean Water Act discharge permit · NPDES IN0022977
GARY SANITARY DISTRICT, Gary, IN: NPDES IN0022977 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 36Pollutants under a numeric limit
- 26Pollutants with an effluent exceedance
GARY SANITARY DISTRICT, held by GARY SANITARY DISTRICT WWTP, holds NPDES permit IN0022977, which discharges to Grand Calumet R & Little Calumet R. EPA’s file records it issued June 23, 2017 and expiring June 30, 2022. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | GARY SANITARY DISTRICT |
|---|---|
| Permittee as filed | GARY SANITARY DISTRICT WWTP |
| NPDES ID | IN0022977 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Major discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | June 23, 2017 |
| Expiration date | June 30, 2022 |
| Issuing agency | IDEM |
| Address | Gary, IN 46406 |
| Receiving water | GRAND CALUMET R & LITTLE CALUMET R |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Little Calumet River-Deep River (HUC 040400010508) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 61Pollutants on file
- 36Under a numeric limit
- 56With a violation of any kind
- 26With 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; the 60 with the most exceedances of 61 are shown.
| Pollutant or measure | Limits | Violations, any kind | Effluent exceedances | Latest exceedance | Largest exceedance, as filed |
|---|---|---|---|---|---|
| Chloride [as Cl] | 3 | 114 | 114 | June 30, 2006 | 168% over the limit |
| Solids, total suspended | 8 | 91 | 78 | June 30, 2026 | 716% over the limit |
| Solids, total dissolved | 0 | 53 | 50 | February 28, 2005 | 41% over the limit |
| Mercury, total recoverable | 3 | 34 | 28 | June 30, 2005 | 300% over the limit |
| Copper, total recoverable | 3 | 40 | 27 | August 31, 2005 | 867% over the limit |
| Phosphorus, total [as P] | 1 | 30 | 26 | October 31, 2005 | 600% over the limit |
| Nitrogen, ammonia total [as N] | 8 | 33 | 20 | April 30, 2026 | 99,999% over the limit |
| Fluoride, total [as F] | 3 | 26 | 17 | August 31, 2000 | 497% over the limit |
| E. coli, MTEC-MF | 0 | 14 | 14 | July 31, 1999 | 4,155% over the limit |
| Phosphorus, total percent removal | 1 | 16 | 12 | September 30, 2008 | 55% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 8 | 24 | 11 | March 31, 2023 | 298% over the limit |
| Chlorine, total residual | 4 | 18 | 11 | May 31, 2020 | 180% over the limit |
| Cyanide, total [as CN] | 0 | 19 | 7 | March 31, 2005 | 137% over the limit |
| Oxygen, dissolved [DO] | 2 | 10 | 6 | August 31, 2020 | 22% over the limit |
| Zinc, total recoverable | 3 | 19 | 5 | June 30, 1999 | 2,400% over the limit |
| Lead, total recoverable | 3 | 11 | 5 | March 31, 1999 | 332% over the limit |
| Sulfate, total [as SO4] | 3 | 12 | 4 | April 30, 2003 | 55% over the limit |
| Phenolics, total | 0 | 10 | 4 | January 31, 2003 | 637% over the limit |
| Oil & Grease | 1 | 8 | 4 | June 30, 2001 | 70% over the limit |
| E. coli, colony forming units [CFU] | 3 | 4 | 4 | October 31, 2023 | 120% over the limit |
| Iron, dissolved [as Fe] | 0 | 9 | 3 | February 28, 2005 | 73% over the limit |
| Toxicity [chronic], Pimephales promelas [Fathead Minnow] | 2 | 4 | 2 | November 30, 2012 | 90% over the limit |
| Noel Statre 7Day Chronic Pimephales | 0 | 2 | 2 | April 30, 1995 | 88% over the limit |
| Arsenic, total recoverable | 0 | 7 | 1 | February 28, 2002 | 67% over the limit |
| Chromium, hexavalent dissolved [as Cr] | 0 | 7 | 1 | July 31, 2000 | 531% over the limit |
| Coliform, fecal general | 0 | 1 | 1 | April 30, 1995 | 200% over the limit |
| Precipitation, monthly accumulation | 12 | 26 | 0 | ||
| Cyanide, free [as free] | 3 | 8 | 0 | ||
| Flow, in conduit or thru treatment plant | 1 | 8 | 0 | ||
| Nickel, total recoverable | 3 | 6 | 0 | ||
| Cadmium, total recoverable | 3 | 6 | 0 | ||
| Chromium, total recoverable | 3 | 6 | 0 | ||
| pH | 2 | 6 | 0 | ||
| Cadmium, total [as Cd] | 0 | 6 | 0 | ||
| Chromium, total [as Cr] | 0 | 6 | 0 | ||
| Copper, total [as Cu] | 0 | 6 | 0 | ||
| Lead, total [as Pb] | 0 | 6 | 0 | ||
| Nickel, total [as Ni] | 0 | 6 | 0 | ||
| Zinc, total [as Zn] | 0 | 6 | 0 | ||
| Mercury, total [as Hg] | 0 | 6 | 0 | ||
| Overflow volume [SS0 volume, CSO volume] | 12 | 2 | 0 | ||
| Discharge event observation [Visual Monitoring] | 12 | 2 | 0 | ||
| Nitrogen, total [as N] | 0 | 2 | 0 | ||
| Ann. amt sludge disposed by other method | 0 | 2 | 0 | ||
| Annual amt of sludge incinerated | 0 | 2 | 0 | ||
| Annual sludge production, total | 0 | 2 | 0 | ||
| Annual amount of sludge land applied | 0 | 2 | 0 | ||
| Annual amt. sludge disposed surface unit | 0 | 2 | 0 | ||
| Annual amt sludge disposed in landfill | 0 | 2 | 0 | ||
| Annual amt sludge transported interstate | 0 | 2 | 0 | ||
| Duration | 12 | 1 | 0 | ||
| Toxicity [acute], Ceriodaphnia dubia | 2 | 1 | 0 | ||
| Toxicity [chronic], Ceriodaphnia dubia | 2 | 1 | 0 | ||
| Toxicity [acute], Pimephales promelas [Fathead Minnow] | 2 | 1 | 0 | ||
| Flow, total | 1 | 1 | 0 | ||
| LC50 Static Renewal 48Hr Acute Ceriodaphnia dubia | 0 | 1 | 0 | ||
| Cyanide, free [amenable to chlorination] | 3 | 0 | 0 | ||
| Iron, total recoverable | 3 | 0 | 0 | ||
| Arsenic, total [as As] | 3 | 0 | 0 | ||
| Phenolics, total recoverable | 3 | 0 | 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 IN0022977.
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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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.