Clean Water Act discharge permit · NPDES LA0103233
COTE BLANCHE ISLAND, Lydia, LA: NPDES LA0103233 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 7Pollutants under a numeric limit
- 7Pollutants with an effluent exceedance
COTE BLANCHE ISLAND, held by COMPASS MINERALS AMERICA INC, holds NPDES permit LA0103233, which discharges to Intracoastal Canal. EPA’s file records it issued March 29, 2018 and expiring April 30, 2023. 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 | COTE BLANCHE ISLAND |
|---|---|
| Permittee as filed | COMPASS MINERALS AMERICA INC |
| NPDES ID | LA0103233 |
| 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 | March 29, 2018 |
| Expiration date | April 30, 2023 |
| Address | Lydia, LA 70569 |
| Receiving water | INTRACOASTAL CANAL |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Bayou Cypremort-Frontal Vermilion Bay (HUC 080801030406) |
| SIC | 1479 – Chemical And Fertilizer Mining |
| Other EPA IDs (FRS) | ICIS-AIR source LA0000002210100225 |
Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download; cross-program IDs from EPA’s FRS facility-registry crosswalk.
Effluent limits and exceedances
- 9Pollutants on file
- 7Under a numeric limit
- 9With a violation of any kind
- 7With 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 |
|---|---|---|---|---|---|
| Solids, total suspended | 8 | 73 | 65 | March 31, 2026 | 3,833% over the limit |
| Coliform, fecal general | 8 | 51 | 43 | June 30, 2025 | 99,999% over the limit |
| BOD, 5-day, 20 deg. C | 8 | 44 | 36 | June 30, 2025 | 99,999% over the limit |
| pH | 12 | 24 | 12 | March 31, 2026 | |
| Enterococci | 0 | 4 | 4 | June 30, 2025 | 99,999% over the limit |
| Carbon, tot organic [TOC] | 4 | 9 | 3 | September 30, 2018 | 424% over the limit |
| Oil & Grease | 4 | 2 | 2 | May 31, 2023 | 187% over the limit |
| Flow, in conduit or thru treatment plant | 16 | 20 | 0 | ||
| Oil and grease | 0 | 6 | 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
- 1Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| November 18, 2020 | Effluent Violations - Unauthorized Discharge | 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.
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, LA0103233.
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 LA0103233 there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.