Clean Water Act discharge permit · NPDES AR0046663
AIRGAS USA, LLC, Blytheville, AR: NPDES AR0046663 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 5Pollutants under a numeric limit
- 5Pollutants with an effluent exceedance
AIRGAS USA, LLC, held by AIR LIQUIDE LARGE INDUSTRIES U.S. LP, holds NPDES permit AR0046663, which discharges to Mississippi R. EPA’s file records it issued October 11, 2019 and expiring October 31, 2024. 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 | AIRGAS USA, LLC |
|---|---|
| Permittee as filed | AIR LIQUIDE LARGE INDUSTRIES U.S. LP |
| NPDES ID | AR0046663 |
| 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 | October 11, 2019 |
| Expiration date | October 31, 2024 |
| Address | Blytheville, AR 72310 |
| Receiving water | Mississippi R |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Tamm Bend-Mississippi River (HUC 080101000602) |
| Other EPA IDs (FRS) | RCRA handler ARD983273939 |
Cited to the EPA ICIS-NPDES permit file (ECHO download); cross-program IDs from EPA’s FRS facility-registry crosswalk.
Effluent limits and exceedances
- 26Pollutants on file
- 5Under a numeric limit
- 26With a violation of any kind
- 5With 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 |
|---|---|---|---|---|---|
| Copper, total [as Cu] | 0 | 55 | 23 | August 31, 2006 | 138% over the limit |
| Oxygen demand, chem. [low level] [COD] | 8 | 76 | 8 | December 31, 2016 | 88% over the limit |
| Whole effluent toxicity | 0 | 12 | 6 | August 31, 2006 | 99,999% over the limit |
| Oil & Grease | 8 | 75 | 5 | March 31, 2026 | 401% over the limit |
| Solids, total suspended | 0 | 64 | 4 | June 30, 2003 | 108% over the limit |
| Flow, in conduit or thru treatment plant | 4 | 34 | 0 | ||
| pH | 4 | 32 | 0 | ||
| Temperature, water deg. centigrade | 0 | 7 | 0 | ||
| Chlorine, total residual | 0 | 4 | 0 | ||
| Pass/Fail Static Renewal 7 Day Chronic Ceriodaphnia dubia | 0 | 4 | 0 | ||
| Pass/Fail Static Renewal 7Day Chronic Pimephales promelas | 0 | 4 | 0 | ||
| NOEC Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | 0 | 4 | 0 | ||
| NOEC Lethal Static Renewal 7 Day Chronic Pimephales promelas | 0 | 4 | 0 | ||
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | 0 | 4 | 0 | ||
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelas | 0 | 4 | 0 | ||
| Coef Of Var Static Renewal 7Day Chronic Ceriodaphnia dubia | 0 | 4 | 0 | ||
| Coef Of Var Static Renewal 7Day Chronic Pimephales promelas | 0 | 4 | 0 | ||
| Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | 0 | 4 | 0 | ||
| Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Pinephales promelas | 0 | 4 | 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 Statis Renewal 48 Hr Acute Daphnia pulex | 0 | 2 | 0 | ||
| NOAEC Lethal Static Renewal 48Hr acute Pimephales promelas | 0 | 2 | 0 | ||
| Coef Of Var Static Renewal 48Hr Acute D. pulex | 0 | 2 | 0 | ||
| Coef Of Var Static Renewal 48Hr Acute Pimephales promelas | 0 | 2 | 0 | ||
| Total production - mass | 2 | 1 | 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 AR0046663.
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 AR0046663 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.