Clean Water Act discharge permit · NPDES LA0120201
NEW IBERIA, CITY OF, New Iberia, LA: NPDES LA0120201 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 25Pollutants under a numeric limit
- 10Pollutants with an effluent exceedance
NEW IBERIA, CITY OF holds NPDES permit LA0120201. EPA’s file records it issued October 18, 2016 and expiring November 30, 2021. The status and dates are as EPA’s permit file stood when Velarion loaded it (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | NEW IBERIA, CITY OF |
|---|---|
| Permittee as filed | NEW IBERIA, CITY OF |
| NPDES ID | LA0120201 |
| 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 | October 18, 2016 |
| Expiration date | November 30, 2021 |
| Address | New Iberia, LA 70560 |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Bayou Carlin-Frontal Intercoastal Waterway (HUC 080801030401) |
| SIC | 4952 – Sewerage Systems |
Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download.
Effluent limits and exceedances
- 33Pollutants on file
- 25Under a numeric limit
- 27With a violation of any kind
- 10With 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 |
|---|---|---|---|---|---|
| Nitrogen, ammonia total [as N] | 6 | 49 | 36 | March 31, 2026 | 330% over the limit |
| Coliform, fecal general | 2 | 20 | 14 | January 31, 2026 | 505% over the limit |
| Enterococci | 0 | 10 | 8 | July 31, 2026 | 99,999% over the limit |
| NOAEC Lethal Statis Renewal 48 Hr Acute Daphnia pulex | 0 | 4 | 2 | September 30, 2007 | 6% over the limit |
| Coef Of Var Static Renewal 48Hr Acute D. pulex | 0 | 2 | 2 | December 31, 2006 | 150% over the limit |
| Coef Of Var Static Renewal 48Hr Acute Pimephales promelas | 0 | 2 | 2 | December 31, 2006 | 150% over the limit |
| Solids, total suspended | 3 | 11 | 1 | April 30, 2022 | 52% over the limit |
| pH | 2 | 8 | 1 | October 31, 2024 | |
| Oxygen, dissolved [DO] | 2 | 4 | 1 | January 31, 2007 | 6% over the limit |
| Chlorine, total residual | 0 | 3 | 1 | July 31, 2026 | 173% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 3 | 13 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 6 | 0 | ||
| Pass/Fail Static Renewal 7 Day Chronic Ceriodaphnia dubia | 2 | 2 | 0 | ||
| Pass/Fail Static Renewal 7Day Chronic Pimephales promelas | 2 | 2 | 0 | ||
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Ceriodaphnia dubia | 2 | 2 | 0 | ||
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Pimephales promelas | 2 | 2 | 0 | ||
| NOEC Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | 2 | 2 | 0 | ||
| NOEC Lethal Static Renewal 7 Day Chronic Pimephales promelas | 2 | 2 | 0 | ||
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | 2 | 2 | 0 | ||
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelas | 2 | 2 | 0 | ||
| Low Flow Pass/Fail Static Renewal 48Hr Acute Daphnia pulex | 0 | 2 | 0 | ||
| LF Pass/Fail Static Renewal 48Hr Acute Pimephales promelas | 0 | 2 | 0 | ||
| NOAEC Lethal Static Renewal 48Hr acute Pimephales promelas | 0 | 2 | 0 | ||
| Nitrogen, total [as N] | 6 | 1 | 0 | ||
| Phosphorus, total [as P] | 6 | 1 | 0 | ||
| Coef Of Var Static Renewal 7Day Chronic Ceriodaphnia dubia | 1 | 1 | 0 | ||
| Coef Of Var Static Renewal 7Day Chronic Pimephales promelas | 1 | 1 | 0 | ||
| Whole effluent toxicity - retest #1 | 4 | 0 | 0 | ||
| Whole effluent toxicity - retest #2 | 4 | 0 | 0 | ||
| WET, sublethal retest #1 | 4 | 0 | 0 | ||
| WET, sublethal retest #2 | 4 | 0 | 0 | ||
| Whole Effluent Toxicity - Retest #3 | 4 | 0 | 0 | ||
| Whole Effluent Toxicity, Sub-Lethal Retest #3 | 4 | 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 |
|---|---|---|
| June 30, 2023 | Monitoring Violations - Analysis not Conducted | ST6 |
| January 31, 2022 | Monitoring Violations - Analysis not Conducted | ST6 |
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 October 14, 2026.