Clean Water Act discharge permit · NPDES IN0025577
LA PORTE WWTP, La Porte, IN: NPDES IN0025577 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 29Pollutants under a numeric limit
- 15Pollutants with an effluent exceedance
- 2Inspections on file
- 0Formal enforcement actions
LA PORTE WWTP, held by LAPORTE WWTP, holds NPDES permit IN0025577, which discharges to Kankakee R Via Travis Ditch. EPA’s file records it issued January 23, 2020 and expiring February 28, 2025. 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 | LA PORTE WWTP |
|---|---|
| Permittee as filed | LAPORTE WWTP |
| NPDES ID | IN0025577 |
| 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 | January 23, 2020 |
| Expiration date | February 28, 2025 |
| Issuing agency | IDEM |
| Address | La Porte, IN 46350 |
| Receiving water | KANKAKEE R VIA TRAVIS DITCH |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Travis Ditch (HUC 071200010403) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 42Pollutants on file
- 29Under a numeric limit
- 39With a violation of any kind
- 15With 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 |
|---|---|---|---|---|---|
| Copper, total recoverable | 4 | 54 | 42 | September 30, 2003 | 154% over the limit |
| Nitrogen, ammonia total [as N] | 8 | 32 | 23 | February 28, 2026 | 70% over the limit |
| E. coli, MTEC-MF | 0 | 7 | 7 | July 31, 1999 | 751% over the limit |
| Solids, total suspended | 8 | 12 | 4 | May 31, 2020 | 17% over the limit |
| Cyanide, total [as CN] | 0 | 11 | 3 | June 30, 2006 | 62% over the limit |
| E. coli, colony forming units [CFU] | 3 | 4 | 3 | July 31, 2026 | 326% over the limit |
| Nickel, total recoverable | 4 | 14 | 2 | April 30, 1996 | 73% over the limit |
| Phosphorus, total [as P] | 4 | 2 | 2 | April 30, 2023 | 33% over the limit |
| pH | 2 | 6 | 1 | December 31, 1999 | |
| Toxicity [acute], Pimephales promelas [Fathead Minnow] | 3 | 3 | 1 | February 28, 2019 | 170% over the limit |
| Toxicity [chronic], Pimephales promelas [Fathead Minnow] | 3 | 3 | 1 | February 28, 2019 | 700% over the limit |
| LC50 Static Renewal 48Hr Acute Ceriodaphnia dubia | 0 | 2 | 1 | July 31, 1995 | 50% over the limit |
| NOEL Static Renewal 7Day Chronic Ceriodaphnia dubia | 0 | 2 | 1 | July 31, 1995 | 99,999% over the limit |
| Noel Statre 7Day Chronic Pimephales | 0 | 2 | 1 | November 30, 2010 | 75% over the limit |
| Chlorine, total residual | 2 | 1 | 1 | July 31, 1995 | 400% over the limit |
| Zinc, total recoverable | 4 | 12 | 0 | ||
| Cadmium, total recoverable | 4 | 12 | 0 | ||
| Lead, total recoverable | 4 | 12 | 0 | ||
| Chromium, total recoverable | 4 | 12 | 0 | ||
| BOD, carbonaceous [5 day, 20 C] | 8 | 8 | 0 | ||
| Silver total recoverable | 4 | 8 | 0 | ||
| Cyanide, free [amenable to chlorination] | 4 | 6 | 0 | ||
| Flow, in conduit or thru treatment plant | 1 | 4 | 0 | ||
| Cadmium, total [as Cd] | 0 | 4 | 0 | ||
| Chromium, total [as Cr] | 0 | 4 | 0 | ||
| Copper, total [as Cu] | 0 | 4 | 0 | ||
| Lead, total [as Pb] | 0 | 4 | 0 | ||
| Nickel, total [as Ni] | 0 | 4 | 0 | ||
| Zinc, total [as Zn] | 0 | 4 | 0 | ||
| Toxicity [acute], Ceriodaphnia dubia | 3 | 3 | 0 | ||
| Oxygen, dissolved [DO] | 1 | 3 | 0 | ||
| Toxicity [chronic], Ceriodaphnia dubia | 3 | 2 | 0 | ||
| Number of Events | 2 | 2 | 0 | ||
| Flow, wastewater by-passing trtmnt plant | 0 | 2 | 0 | ||
| Duration | 1 | 1 | 0 | ||
| Overflow volume [SS0 volume, CSO volume] | 1 | 1 | 0 | ||
| Precipitation, monthly accumulation | 1 | 1 | 0 | ||
| Discharge event observation [Visual Monitoring] | 1 | 1 | 0 | ||
| LC50 Static Renewal 96Hr Acute Pimephales promelas | 0 | 1 | 0 | ||
| Cyanide, free [as free] | 4 | 0 | 0 | ||
| Nitrogen, total [as N] | 2 | 0 | 0 | ||
| Flow, total | 1 | 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
- 2Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| September 15, 2026 | Management Practice Violations - Improper Operation and Maintenance | ST6 |
| September 15, 2026 | Effluent Violations - Numeric effluent violation | ST6 |
Inspections
| Date | What EPA recorded | Agency |
|---|---|---|
| September 15, 2026 | Evaluation | S |
| September 15, 2026 | Evaluation | S |
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
| Date | What EPA recorded | Agency |
|---|---|---|
| September 15, 2026 | Notice of Noncompliance Issued | State |
Cited to the EPA ICIS-NPDES violation, inspection and enforcement files (ECHO download); up to 50 rows of each shown, newest first.
Watch this permit
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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 IN0025577 there.
LA PORTE WWTP, La Porte, Indiana: Individual permit IN0025577, held by LAPORTE WWTP; Publicly owned treatment works; Administratively continued (past its expiration date and still in force until reissued); issued January 23, 2020, term to February 28, 2025, by IDEM; discharges to KANKAKEE R VIA TRAVIS DITCH.
- Copper, total recoverable: 4 limits, 54 violations of any kind, 42 effluent exceedances, latest September 30, 2003, largest 154% over the limit.
- Nitrogen, ammonia total [as N]: 8 limits, 32 violations of any kind, 23 effluent exceedances, latest February 28, 2026, largest 70% over the limit.
- E. coli, MTEC-MF: 0 limits, 7 violations of any kind, 7 effluent exceedances, latest July 31, 1999, largest 751% over the limit.
- Solids, total suspended: 8 limits, 12 violations of any kind, 4 effluent exceedances, latest May 31, 2020, largest 17% over the limit.
- Cyanide, total [as CN]: 0 limits, 11 violations of any kind, 3 effluent exceedances, latest June 30, 2006, largest 62% over the limit.
- E. coli, colony forming units [CFU]: 3 limits, 4 violations of any kind, 3 effluent exceedances, latest July 31, 2026, largest 326% over the limit.
- Nickel, total recoverable: 4 limits, 14 violations of any kind, 2 effluent exceedances, latest April 30, 1996, largest 73% over the limit.
- Phosphorus, total [as P]: 4 limits, 2 violations of any kind, 2 effluent exceedances, latest April 30, 2023, largest 33% over the limit.
- pH: 2 limits, 6 violations of any kind, 1 effluent exceedance, latest December 31, 1999.
- Toxicity [acute], Pimephales promelas [Fathead Minnow]: 3 limits, 3 violations of any kind, 1 effluent exceedance, latest February 28, 2019, largest 170% over the limit.
- Toxicity [chronic], Pimephales promelas [Fathead Minnow]: 3 limits, 3 violations of any kind, 1 effluent exceedance, latest February 28, 2019, largest 700% over the limit.
- LC50 Static Renewal 48Hr Acute Ceriodaphnia dubia: 0 limits, 2 violations of any kind, 1 effluent exceedance, latest July 31, 1995, largest 50% over the limit.
- NOEL Static Renewal 7Day Chronic Ceriodaphnia dubia: 0 limits, 2 violations of any kind, 1 effluent exceedance, latest July 31, 1995, largest 99,999% over the limit.
- Noel Statre 7Day Chronic Pimephales: 0 limits, 2 violations of any kind, 1 effluent exceedance, latest November 30, 2010, largest 75% over the limit.
- Chlorine, total residual: 2 limits, 1 violation of any kind, 1 effluent exceedance, latest July 31, 1995, largest 400% over the limit.
- Zinc, total recoverable: 4 limits, 12 violations of any kind, 0 effluent exceedances.
- Cadmium, total recoverable: 4 limits, 12 violations of any kind, 0 effluent exceedances.
- Lead, total recoverable: 4 limits, 12 violations of any kind, 0 effluent exceedances.
- Chromium, total recoverable: 4 limits, 12 violations of any kind, 0 effluent exceedances.
- BOD, carbonaceous [5 day, 20 C]: 8 limits, 8 violations of any kind, 0 effluent exceedances.
- Silver total recoverable: 4 limits, 8 violations of any kind, 0 effluent exceedances.
- Cyanide, free [amenable to chlorination]: 4 limits, 6 violations of any kind, 0 effluent exceedances.
- Flow, in conduit or thru treatment plant: 1 limit, 4 violations of any kind, 0 effluent exceedances.
- Cadmium, total [as Cd]: 0 limits, 4 violations of any kind, 0 effluent exceedances.
- Chromium, total [as Cr]: 0 limits, 4 violations of any kind, 0 effluent exceedances.
- Copper, total [as Cu]: 0 limits, 4 violations of any kind, 0 effluent exceedances.
- Lead, total [as Pb]: 0 limits, 4 violations of any kind, 0 effluent exceedances.
- Nickel, total [as Ni]: 0 limits, 4 violations of any kind, 0 effluent exceedances.
- Zinc, total [as Zn]: 0 limits, 4 violations of any kind, 0 effluent exceedances.
- Toxicity [acute], Ceriodaphnia dubia: 3 limits, 3 violations of any kind, 0 effluent exceedances.
- Oxygen, dissolved [DO]: 1 limit, 3 violations of any kind, 0 effluent exceedances.
- Toxicity [chronic], Ceriodaphnia dubia: 3 limits, 2 violations of any kind, 0 effluent exceedances.
- Number of Events: 2 limits, 2 violations of any kind, 0 effluent exceedances.
- Flow, wastewater by-passing trtmnt plant: 0 limits, 2 violations of any kind, 0 effluent exceedances.
- Duration: 1 limit, 1 violation of any kind, 0 effluent exceedances.
- Overflow volume [SS0 volume, CSO volume]: 1 limit, 1 violation of any kind, 0 effluent exceedances.
- Precipitation, monthly accumulation: 1 limit, 1 violation of any kind, 0 effluent exceedances.
- Discharge event observation [Visual Monitoring]: 1 limit, 1 violation of any kind, 0 effluent exceedances.
- LC50 Static Renewal 96Hr Acute Pimephales promelas: 0 limits, 1 violation of any kind, 0 effluent exceedances.
- Cyanide, free [as free]: 4 limits, 0 violations of any kind, 0 effluent exceedances.
- Nitrogen, total [as N]: 2 limits, 0 violations of any kind, 0 effluent exceedances.
- Flow, total: 1 limit, 0 violations of any kind, 0 effluent exceedances.
- September 15, 2026: Management Practice Violations - Improper Operation and Maintenance (ST6).
- September 15, 2026: Effluent Violations - Numeric effluent violation (ST6).
- September 15, 2026: Evaluation (S).
- September 15, 2026: Evaluation (S).
- September 15, 2026: Notice of Noncompliance Issued (State).
Indiana holds 541 Publicly owned treatment works coverages of this permit type in EPA’s file; 375 were issued before IN0025577. LAPORTE WWTP holds 2 permits in Indiana.
Other permits held by LAPORTE WWTP
- LAPORTE WWTP, La Porte: INL025577, issued January 1, 2021
Coverages issued nearest IN0025577
- January 6, 2020: CLOVERDALE MUNICIPAL WWTP, Cloverdale, IN0022616, held by CLOVERDALE WWTP, TOWN OF
- January 6, 2020: SECOND TAMERIX LAKE ADDITION, Columbus, IN0043681
- January 6, 2020: EDWARDSPORT WASTEWATER TREATMENT PLANT, Edwardsport, IN0064378
- January 16, 2020: MILFORD WWTP, Milford, IN0038318
- January 23, 2020: ELBERFELD WWTP, Elberfeld, IN0020788
- February 1, 2020: POSEY COUNTY RSD - HARBORTOWN WWTP, Mount Vernon, IN0064831
- February 4, 2020: RENSSELAER WWTP, Rensselaer, IN0024414, held by RENSSELAER WWTP, CITY OF
- February 4, 2020: CROWN POINT WWTP, Crown Point, IN0025763, held by CROWN POINT WWTP, CITY OF
- February 4, 2020: POKAGON STATE PARK IDNR, Angola, IN0030309, held by POKAGON STATE PARK - IDNR
- February 4, 2020: FALLING WATERS CONSERVANCY DISTRICT, Valparaiso, IN0062090, held by FALLING WATERS C D WWTP
LA PORTE WWTP among its neighbors
EPA’s permit file holds 47 discharge permits in the Travis Ditch subwatershed (HUC 071200010403), IN0025577 among them. Its county holds 59, 4 of them major permits; IN0025577 is a major permit.
Other permits in the Travis Ditch subwatershed (HUC 071200010403)
- ALDI FOOD MARKET 51, La Porte: INRA08484, minor permit, permit term to October 5, 2026
- AMERICAN RENOLIT ADDITION, Laporte: INRA14759, minor permit, permit term to October 1, 2029
- AMERICAN RENOLIT CORPORATION, La Porte: INRM00201, minor permit, discharging to Travis Ditch, permit term to June 9, 2025
- B+B MANUFACTURING LAPORTE, Laporte: INRA14744, minor permit, permit term to September 30, 2029
- BOB BUGEL RESIDENTIAL, Laporte: INRA13240, minor permit, permit term to January 9, 2029
- BOYD BOULEVARD STORMWATER INFRASTRUCTURE PROJECT LA PORTE, La Porte: INRA17656, minor permit, permit term to March 1, 2031
- CHIPOTLE LAPORTE, Laporte: INRA14292, minor permit, permit term to July 21, 2029
- CLEAR LAKE ROUNDABOUT, Laporte: INRA12514, minor permit, permit term to October 30, 2028
- DIAMOND STORAGE LAPORTE, Laporte: INRA11744, minor permit, permit term to May 4, 2028
- DIEDRICH EAST SHORE PARKWAY, La Porte: INRA10907, minor permit, permit term to November 20, 2027
Nearby on the register
- Discharge permits in La Porte
- Every permit record in La Porte, A to Z
- Discharge permits in Indiana
- Every permit record in Indiana, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.