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Clean Water Act discharge permit · NPDES AR0000591

MARTIN OPERATING PARTNERSHIP, L.P., Smackover, AR: NPDES AR0000591 discharge permit, effluent exceedances, inspections, penalties

MARTIN OPERATING PARTNERSHIP, L.P. holds NPDES permit AR0000591, which discharges to Smackover Cr,Ouachita R. EPA’s file records it issued December 14, 2012 and expiring January 31, 2018. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

Identity

Facility as filedMARTIN OPERATING PARTNERSHIP, L.P.
Permittee as filedMARTIN OPERATING PARTNERSHIP, L.P.
NPDES IDAR0000591
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeIndividual permit
Discharger classMajor discharger
Facility typeNot a publicly owned treatment works
IssuedDecember 14, 2012
Expiration dateJanuary 31, 2018
AddressSmackover, AR 71762
Receiving waterSMACKOVER CR,OUACHITA R
Receiving water impaired303(D) Listed
SubwatershedWolf Creek-Smackover Creek (HUC 080402010406)

Cited to the EPA ICIS-NPDES permit file (ECHO download).

Effluent limits and exceedances

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 measureLimitsViolations, any kindEffluent exceedancesLatest exceedanceLargest exceedance, as filed
Nitrogen, ammonia total [as N]36196132December 31, 2025670% over the limit
Oil & Grease1412152February 28, 2026357% over the limit
BOD, carbonaceous [5 day, 20 C]2410230May 31, 2025174% over the limit
Solids, total suspended148719May 31, 2026253% over the limit
pH10468November 30, 2024
Oxygen demand, chem. [high level] [COD]12695November 30, 200090% over the limit
Oxygen, dissolved [DO]6182August 31, 2000100% over the limit
Chromium, hexavalent [as Cr]24651February 28, 200233% over the limit
Carbon, tot organic [TOC]251April 30, 20102% over the limit
Chromium, total [as Cr]121320
Chromium, hexavalent dissolved [as Cr]0920
Phenolics, total recoverable12640
Sulfide, total [as S]12600
Flow, in conduit or thru treatment plant10390
Lead, total recoverable0380
NOEC Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelas260
Pass/Fail Static Renewal 7Day Chronic Pimephales promelas250
Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Pimephales promelas250
Coef Of Var Static Renewal 7Day Chronic Pimephales promelas250
Pass/Fail Static Renewal 7 Day Chronic Ceriodaphnia dubia240
NOEC Lethal Static Renewal 7 Day Chronic Pimephales promelas240
Arsenic, total recoverable040
Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Ceriodaphnia dubia230
Coef Of Var Static Renewal 7Day Chronic Ceriodaphnia dubia230
Low Flow Pass/Fail Static Renewal 7Day Chronic Ceriodaphnia Dubia030
LF Pass/Fail Statre 7Day Chronic Pimephales030
NOEC Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia220
NOEC Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia220
Whole effluent toxicity - retest #2010
WET, sublethal retest #1010
WET, sublethal retest #2010
Whole Effluent Toxicity - Retest #3010

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

EPA’s single-event violation file, as loaded, holds no violation for NPDES AR0000591.

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

One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, AR0000591.

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How we handle your data → Privacy

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 AR0000591 there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.