Clean Water Act discharge permit · NPDES AR0049794
HALLIBURTON ENERGY SERVICES, INC - MAGCOBAR MINE SITE, Malvern, AR: NPDES AR0049794 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 30Pollutants under a numeric limit
- 8Pollutants with an effluent exceedance
HALLIBURTON ENERGY SERVICES, INC - MAGCOBAR MINE SITE, held by HALLIBURTON ENERGY SERVICES, holds NPDES permit AR0049794, which discharges to Chamberlain Ck,Cove Ck,Ouachita R. EPA’s file records it issued January 26, 2017 and expiring February 28, 2022. 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 | HALLIBURTON ENERGY SERVICES, INC - MAGCOBAR MINE SITE |
|---|---|
| Permittee as filed | HALLIBURTON ENERGY SERVICES |
| NPDES ID | AR0049794 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Major discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | January 26, 2017 |
| Expiration date | February 28, 2022 |
| Address | Malvern, AR 72104 |
| Receiving water | Chamberlain Ck,Cove Ck,Ouachita R |
| Subwatershed | Stone Quarry Creek-Ouachita River (HUC 080401020101) |
| NAICS | 212393 – Other Chemical and Fertilizer Mineral Mining |
| SIC | 1479 – Chemical And Fertilizer Mining |
Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download.
Effluent limits and exceedances
- 33Pollutants on file
- 30Under a numeric limit
- 33With 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 |
|---|---|---|---|---|---|
| Zinc, total recoverable | 4 | 31 | 9 | May 31, 2023 | 77% over the limit |
| Beryllium, total recoverable [as Be] | 4 | 21 | 9 | April 30, 2012 | 337% over the limit |
| Whole effluent toxicity | 2 | 12 | 6 | February 28, 2007 | 100% over the limit |
| Cadmium, total recoverable | 4 | 24 | 4 | December 31, 2010 | 344% over the limit |
| Lead, total recoverable | 4 | 10 | 2 | June 30, 2006 | 66% over the limit |
| pH | 2 | 4 | 2 | April 30, 2020 | |
| Nickel, total recoverable | 4 | 31 | 1 | February 28, 2007 | 15% over the limit |
| Chloride [as Cl] | 12 | 8 | 1 | November 30, 2016 | 191% over the limit |
| Copper, total recoverable | 4 | 28 | 0 | ||
| Iron, total recoverable | 4 | 20 | 0 | ||
| Chromium, total [as Cr] | 2 | 18 | 0 | ||
| Selenium, total recoverable | 4 | 12 | 0 | ||
| Silver total recoverable | 4 | 12 | 0 | ||
| Barium, total recoverable | 4 | 8 | 0 | ||
| Sulfate, total [as SO4] | 12 | 6 | 0 | ||
| Solids, total dissolved | 12 | 6 | 0 | ||
| Boron, total [as B] | 4 | 6 | 0 | ||
| Aluminum, total recoverable | 4 | 4 | 0 | ||
| Manganese, total recoverable | 4 | 4 | 0 | ||
| NOEC Lethal Static Renewal 7 Day Chronic Pimephales promelas | 1 | 3 | 0 | ||
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | 1 | 3 | 0 | ||
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelas | 1 | 3 | 0 | ||
| Coef Of Var Static Renewal 7Day Chronic Ceriodaphnia dubia | 1 | 3 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 2 | 0 | ||
| Pass/Fail Static Renewal 7 Day Chronic Ceriodaphnia dubia | 1 | 2 | 0 | ||
| Pass/Fail Static Renewal 7Day Chronic Pimephales promelas | 1 | 2 | 0 | ||
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Ceriodaphnia dubia | 1 | 2 | 0 | ||
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Pimephales promelas | 1 | 2 | 0 | ||
| NOEC Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | 1 | 2 | 0 | ||
| Coef Of Var Static Renewal 7Day Chronic Pimephales promelas | 1 | 2 | 0 | ||
| Cobalt, total recoverable | 0 | 2 | 0 | ||
| Strontium, total recoverable, ug/L | 0 | 2 | 0 | ||
| Vanadium, total recoverable | 0 | 2 | 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 AR0049794.
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.