Clean Water Act discharge permit · NPDES LA0124567
ARQ SOLUTIONS (RED RIVER), LLC - RED RIVER PLANT, Coushatta, LA: NPDES LA0124567 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 10Pollutants under a numeric limit
- 8Pollutants with an effluent exceedance
ARQ SOLUTIONS (RED RIVER), LLC - RED RIVER PLANT, held by ADA CARBON SOLUTIONS (RED RIVER), LLC, holds NPDES permit LA0124567. EPA’s file records it issued December 30, 2014 and expiring January 31, 2020. 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 | ARQ SOLUTIONS (RED RIVER), LLC - RED RIVER PLANT |
|---|---|
| Permittee as filed | ADA CARBON SOLUTIONS (RED RIVER), LLC |
| NPDES ID | LA0124567 |
| 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 | December 30, 2014 |
| Expiration date | January 31, 2020 |
| Address | Coushatta, LA 71019 |
| Subwatershed | Pig Pen Bayou-Bayou Pierre (HUC 111402060604) |
| SIC | 2819 – Industrial Inorganic Chemicals |
| Other EPA IDs (FRS) | RCRA handler LAR000075374; ICIS-AIR source LA0000002208100027 |
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
- 11Pollutants on file
- 10Under a numeric limit
- 8With a violation of any kind
- 8With 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 | 2 | 16 | 16 | June 30, 2026 | 9,900% over the limit |
| Zinc, total [as Zn] | 4 | 17 | 13 | May 31, 2019 | 108% over the limit |
| Solids, total suspended | 2 | 12 | 12 | June 30, 2026 | 1,222% over the limit |
| Chlorine, free available | 4 | 8 | 8 | April 30, 2017 | 99,999% over the limit |
| BOD, 5-day, 20 deg. C | 2 | 7 | 7 | June 30, 2026 | 109% over the limit |
| pH | 6 | 5 | 5 | February 28, 2026 | |
| Carbon, tot organic [TOC] | 2 | 4 | 3 | May 31, 2026 | 94% over the limit |
| Oil & Grease | 0 | 2 | 1 | December 31, 2025 | 28% over the limit |
| Flow, in conduit or thru treatment plant | 6 | 0 | 0 | ||
| Chromium, total [as Cr] | 2 | 0 | 0 | ||
| Oil and 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
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES LA0124567.
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 LA0124567 there.
Nearby on the register
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- Every permit record in Coushatta, A to Z
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- Every permit record in Louisiana, A to Z
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.