Clean Water Act discharge permit · NPDES AR0043117
NUCOR-YAMATO STEEL, Armorel, AR: NPDES AR0043117 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 28Pollutants under a numeric limit
- 8Pollutants with an effluent exceedance
NUCOR-YAMATO STEEL holds NPDES permit AR0043117, which discharges to Mississippi-6c (1,3)/Dit #14a-5a(2). EPA’s file records it issued October 29, 2014 and expiring November 30, 2019. 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 | NUCOR-YAMATO STEEL |
|---|---|
| Permittee as filed | NUCOR-YAMATO STEEL |
| NPDES ID | AR0043117 |
| 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 29, 2014 |
| Expiration date | November 30, 2019 |
| Address | Armorel, AR 72310 |
| Receiving water | MISSISSIPPI-6C (1,3)/DIT #14A-5A(2) |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Tamm Bend-Mississippi River (HUC 080101000602) |
| NAICS | 324199 – All Other Petroleum and Coal Products Manufacturing |
| SIC | 3312 – Blast Furnaces And Steel Mills |
| Other EPA IDs (FRS) | RCRA handler ARD981908890; ICIS-AIR source AR0000000509300202 |
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
- 30Pollutants on file
- 28Under a numeric limit
- 24With 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 |
|---|---|---|---|---|---|
| pH | 16 | 41 | 9 | December 31, 2008 | |
| Oil & Grease | 21 | 47 | 7 | December 31, 2010 | 287% over the limit |
| Solids, total suspended | 25 | 61 | 5 | January 31, 2024 | 559% over the limit |
| Oxygen demand, chem. [low level] [COD] | 13 | 17 | 4 | April 30, 2024 | 256% over the limit |
| Copper, total recoverable | 19 | 16 | 4 | April 30, 2024 | 183% over the limit |
| Zinc, total recoverable | 8 | 22 | 2 | December 31, 2008 | 3,248% over the limit |
| Coliform, fecal general | 4 | 14 | 2 | November 30, 2002 | 515% over the limit |
| Zinc, total [as Zn] | 0 | 5 | 1 | April 30, 2003 | 98% over the limit |
| Flow, in conduit or thru treatment plant | 16 | 32 | 0 | ||
| Lead, total recoverable | 8 | 22 | 0 | ||
| BOD, 5-day, 20 deg. C | 4 | 20 | 0 | ||
| Total production - mass | 2 | 6 | 0 | ||
| Selenium, total recoverable | 2 | 6 | 0 | ||
| Low Flow Pass/Fail Static Renewal 48Hr Acute Daphnia pulex | 2 | 6 | 0 | ||
| LF Pass/Fail Static Renewal 48Hr Acute Pimephales promelas | 2 | 6 | 0 | ||
| NOAEC Lethal Statis Renewal 48 Hr Acute Daphnia pulex | 2 | 6 | 0 | ||
| NOAEC Lethal Static Renewal 48Hr acute Pimephales promelas | 2 | 6 | 0 | ||
| Coef Of Var Static Renewal 48Hr Acute D. pulex | 2 | 6 | 0 | ||
| Coef Of Var Static Renewal 48Hr Acute Pimephales promelas | 2 | 6 | 0 | ||
| Lead, total [as Pb] | 0 | 4 | 0 | ||
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Pimephales promelas | 1 | 1 | 0 | ||
| NOEC Lethal Static Renewal 7 Day Chronic Pimephales promelas | 1 | 1 | 0 | ||
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelas | 1 | 1 | 0 | ||
| Coef Of Var Static Renewal 7Day Chronic Pimephales promelas | 1 | 1 | 0 | ||
| Pass/Fail Static Renewal 7 Day Chronic Ceriodaphnia dubia | 1 | 0 | 0 | ||
| Pass/Fail Static Renewal 7Day Chronic Pimephales promelas | 1 | 0 | 0 | ||
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Ceriodaphnia dubia | 1 | 0 | 0 | ||
| NOEC Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | 1 | 0 | 0 | ||
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | 1 | 0 | 0 | ||
| Coef Of Var Static Renewal 7Day Chronic Ceriodaphnia dubia | 1 | 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 AR0043117.
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.
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.