Clean Water Act discharge permit · NPDES LA0003271
MORTON SALT INC - WEEKS ISLAND FACILITY, New Iberia, LA: NPDES LA0003271 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 28Pollutants under a numeric limit
- 4Pollutants with an effluent exceedance
MORTON SALT INC - WEEKS ISLAND FACILITY, held by MORTON INTERNATIONAL LLC, holds NPDES permit LA0003271, which discharges to Gulf Intracoastal Waterway. EPA’s file records it issued November 18, 2022 and expiring December 14, 2027. 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 | MORTON SALT INC - WEEKS ISLAND FACILITY |
|---|---|
| Permittee as filed | MORTON INTERNATIONAL LLC |
| NPDES ID | LA0003271 |
| Permit status | Effective |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | November 18, 2022 |
| Expiration date | December 14, 2027 |
| Address | New Iberia, LA 70560 |
| Receiving water | GULF INTRACOASTAL WATERWAY |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Weeks Bayou-Frontal Intercoastal Waterway (HUC 080801030402) |
| Other EPA IDs (FRS) | RCRA handler LAD981915978; ICIS-AIR source LA0000002204500025 |
Cited to the EPA ICIS-NPDES permit file (ECHO download); cross-program IDs from EPA’s FRS facility-registry crosswalk.
Effluent limits and exceedances
- 28Pollutants on file
- 28Under a numeric limit
- 27With a violation of any kind
- 4With 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 |
|---|---|---|---|---|---|
| pH | 8 | 47 | 17 | November 30, 2021 | |
| Coliform, fecal general | 8 | 11 | 5 | September 30, 2022 | 420% over the limit |
| pH range excursions, > 60 minutes | 2 | 8 | 5 | May 31, 2021 | 2,147,483,650% over the limit |
| Solids, total suspended | 12 | 13 | 1 | January 31, 2025 | 7% over the limit |
| Flow, in conduit or thru treatment plant | 16 | 36 | 0 | ||
| Whole effluent toxicity - retest #2 | 4 | 32 | 0 | ||
| WET, sublethal retest #1 | 4 | 32 | 0 | ||
| WET, sublethal retest #2 | 4 | 32 | 0 | ||
| Whole Effluent Toxicity, Sub-Lethal Retest #3 | 4 | 32 | 0 | ||
| Whole effluent toxicity - retest #1 | 4 | 30 | 0 | ||
| Whole Effluent Toxicity - Retest #3 | 4 | 30 | 0 | ||
| Chloride [as Cl] | 8 | 12 | 0 | ||
| Oil & Grease | 2 | 12 | 0 | ||
| Carbon, tot organic [TOC] | 2 | 12 | 0 | ||
| BOD, 5-day, 20 deg. C | 8 | 6 | 0 | ||
| Temperature, water deg. fahrenheit | 4 | 6 | 0 | ||
| pH range excursions, monthly total accum | 2 | 3 | 0 | ||
| Coef Of Var Static Renewal 7Day Chronic Americamysis bahia (formerly Mysidopsis bahia) | 1 | 3 | 0 | ||
| Coef Of Var Static Renewal 7Day Chronic Menidia menidia | 1 | 3 | 0 | ||
| Pass/Fail Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia) | 2 | 2 | 0 | ||
| Pass/Fail Static Renewal 7Day Chronic Menidia | 2 | 2 | 0 | ||
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Americamysis bahia (Mysidopsis bahia) | 2 | 2 | 0 | ||
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Menidia menidia | 2 | 2 | 0 | ||
| NOEC Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia) | 2 | 2 | 0 | ||
| NOEC Lethal Static Renewal 7 Day Chronic Menidia menidia | 2 | 2 | 0 | ||
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia) | 2 | 2 | 0 | ||
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Menidia menidia | 2 | 2 | 0 | ||
| Enterococci | 8 | 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 LA0003271.
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.
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, LA0003271.
Start the watch
- One permit holder — $99/month
- One watershed — $2,990/year
- One state — $4,990/year
- The whole register — $18,000/year
How we handle your data → Privacy
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 LA0003271 there.
Nearby on the register
- Discharge permits in New Iberia
- Every permit record in New Iberia, A to Z
- Discharge permits in Louisiana
- Every permit record in Louisiana, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.