Clean Water Act discharge permit · NPDES LA0090387
ARCOSA LW BR LLC - ARCOSA LIGHTWEIGHT, Erwinville, LA: NPDES LA0090387 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 9Pollutants under a numeric limit
- 2Pollutants with an effluent exceedance
ARCOSA LW BR LLC - ARCOSA LIGHTWEIGHT, held by ARCOSA LW BR, LLC, holds NPDES permit LA0090387, which discharges to Ditch-Bayou Poydras. EPA’s file records it issued February 19, 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 | ARCOSA LW BR LLC - ARCOSA LIGHTWEIGHT |
|---|---|
| Permittee as filed | ARCOSA LW BR, LLC |
| NPDES ID | LA0090387 |
| 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 | February 19, 2020 |
| Expiration date | February 28, 2025 |
| Address | Erwinville, LA 70729 |
| Receiving water | DITCH-BAYOU POYDRAS |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Bayou Grosse Tete-Bayou Cholpe (HUC 080703000201) |
| Other EPA IDs (FRS) | RCRA handler LAD008155251; ICIS-AIR source LA0000002207700002 |
Cited to the EPA ICIS-NPDES permit file (ECHO download); cross-program IDs from EPA’s FRS facility-registry crosswalk.
Effluent limits and exceedances
- 11Pollutants on file
- 9Under a numeric limit
- 10With a violation of any kind
- 2With 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 |
|---|---|---|---|---|---|
| Coliform, fecal general | 8 | 11 | 1 | December 31, 2016 | 200% over the limit |
| Solids, total suspended | 2 | 10 | 1 | June 30, 2024 | 373% over the limit |
| pH | 4 | 20 | 0 | ||
| Flow, in conduit or thru treatment plant | 12 | 17 | 0 | ||
| BOD, 5-day, 20 deg. C | 8 | 10 | 0 | ||
| Carbon, tot organic [TOC] | 2 | 9 | 0 | ||
| Oil and grease | 0 | 9 | 0 | ||
| Sulfate, total [as SO4] | 4 | 5 | 0 | ||
| Solids, total dissolved | 4 | 3 | 0 | ||
| Solids, total dissolved [TDS] | 0 | 2 | 0 | ||
| Oil & Grease | 2 | 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
- 4Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| November 1, 2018 | Permit Violations - Violation Specified in Comment | ST6 |
| August 30, 2018 | Effluent Violations - Unauthorized Discharge | ST6 |
| August 30, 2018 | WW Storm Water Non-Construction - Failure to Implement SWPPP/SWMP | ST6 |
| August 30, 2018 | Monitoring Violations - Improper Analysis or Lab Error | 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
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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 LA0090387 there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.