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Clean Water Act discharge permit · NPDES ARG790099

CENTRAL ARKANSAS PETROLEUM, Malvern, AR: NPDES ARG790099 discharge permit, effluent exceedances, inspections, penalties

CENTRAL ARKANSAS PETROLEUM, held by CENTRAL ARKANSAS PETROLEUM, INC., holds NPDES permit ARG790099, which discharges to Saline River. EPA’s file records it issued February 28, 2006 and expiring March 31, 2011. 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 filedCENTRAL ARKANSAS PETROLEUM
Permittee as filedCENTRAL ARKANSAS PETROLEUM, INC.
NPDES IDARG790099
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedFebruary 28, 2006
Expiration dateMarch 31, 2011
AddressMalvern, AR 72104
Receiving waterSALINE RIVER
SubwatershedBrushy Creek-Francois Creek (HUC 080402030601)

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
pH220
Petrol hydrocarbons, total recoverable220
Flow, in conduit or thru treatment plant220
Low Flow Pass/Fail Static Renewal 48Hr Acute Daphnia pulex110
LF Pass/Fail Static Renewal 48Hr Acute Pimephales promelas110
NOAEC Lethal Statis Renewal 48 Hr Acute Daphnia pulex110
NOAEC Lethal Static Renewal 48Hr acute Pimephales promelas110
Coef Of Var Static Renewal 48Hr Acute D. pulex110
Coef Of Var Static Renewal 48Hr Acute Pimephales promelas110
Benzene400
Benzene, toluene, xylene in combination400

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES ARG790099.

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 ARG790099.

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, ARG790099.

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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 ARG790099 there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.