Clean Water Act discharge permit · NPDES ARG790093

SHELL SUPERSTOP #8, Arkadelphia, AR: NPDES ARG790093 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
11Pollutants under a numeric limit
1Pollutants with an effluent exceedance

SHELL SUPERSTOP #8, held by COULSON OIL COMPANY, INC., holds NPDES permit ARG790093, which discharges to Trib, Ouachita R. 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 filed	SHELL SUPERSTOP #8
Permittee as filed	COULSON OIL COMPANY, INC.
NPDES ID	ARG790093
Permit status	Administratively continued (past its expiration date and still in force until reissued)
Permit type	Coverage under a general permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Issued	February 28, 2006
Expiration date	March 31, 2011
Issuing agency	ADEQ
Address	Arkadelphia, AR 71923
Receiving water	TRIB, OUACHITA R
Subwatershed	Deceiper Creek-Ouachita River (HUC 080401020502)

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

Effluent limits and exceedances

11Pollutants on file
11Under a numeric limit
11With a violation of any kind
1With 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
Petrol hydrocarbons, total recoverable	4	16	1	May 31, 2010	1,233% over the limit
Benzene, toluene, xylene in combination	4	13	0
Benzene	4	11	0
Low Flow Pass/Fail Static Renewal 48Hr Acute Daphnia pulex	2	8	0
LF Pass/Fail Static Renewal 48Hr Acute Pimephales promelas	2	8	0
NOAEC Lethal Statis Renewal 48 Hr Acute Daphnia pulex	2	8	0
NOAEC Lethal Static Renewal 48Hr acute Pimephales promelas	2	8	0
Coef Of Var Static Renewal 48Hr Acute D. pulex	2	8	0
Coef Of Var Static Renewal 48Hr Acute Pimephales promelas	2	8	0
pH	2	6	0
Flow, in conduit or thru treatment plant	2	6	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 ARG790093.

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, ARG790093.

Start the watch

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 ARG790093 there.

Nearby on the register

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

This public-records page covers NPDES permit ARG790093 for SHELL SUPERSTOP #8 in Arkadelphia, AR, held by COULSON OIL COMPANY, INC., with a status of administratively continued and a Minor discharger class. The permit's facts list 11 pollutants on file, 1 under a numeric limit, and 1 with an effluent exceedance, with the receiving water given as TRIB, OUACHITA R in the Deceiper Creek-Ouachita River subwatershed (HUC 080401020502).