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Clean Water Act discharge permit · NPDES AR0046761

MAPCO EXPRESS, INC. - MAPCO EXPRESS #3155, Heth, AR: NPDES AR0046761 discharge permit, effluent exceedances, inspections, penalties

MAPCO EXPRESS, INC. - MAPCO EXPRESS #3155, held by MAPCO EXPRESS, INC. 3155, holds NPDES permit AR0046761, which discharges to Trib,Blakfish Bu,St Francis R. EPA’s file records it issued November 18, 2015 and expiring November 30, 2020. 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 filedMAPCO EXPRESS, INC. - MAPCO EXPRESS #3155
Permittee as filedMAPCO EXPRESS, INC. 3155
NPDES IDAR0046761
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeIndividual permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedNovember 18, 2015
Expiration dateNovember 30, 2020
AddressHeth, AR 72346
Receiving waterTRIB,BLAKFISH BU,ST FRANCIS R
SubwatershedNorth Blackfish Bayou (HUC 080202031502)
NAICS447110 – Gasoline Stations with Convenience Stores
SIC5541 – Gasoline Service Stations

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

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
Solids, total suspended63420September 30, 2022720% over the limit
Oxygen demand, chem. [low level] [COD]21913September 30, 2010340% over the limit
BOD, carbonaceous [5 day, 20 C]4157September 30, 2022265% over the limit
Oil & Grease6166June 30, 2010120% over the limit
pH4140
Nitrogen, ammonia total [as N]12120
Flow, in conduit or thru treatment plant480
Coliform, fecal general260
Oxygen, dissolved [DO]120
Chlorine, total residual110

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 AR0046761.

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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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 AR0046761 there.

Nearby on the register

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

What this page shows

This public-records page covers NPDES permit AR0046761 held by MAPCO EXPRESS, INC. - MAPCO EXPRESS #3155 in Heth, AR, which is administratively continued and discharges to TRIB,BLAKFISH BU,ST FRANCIS R within the North Blackfish Bayou subwatershed (HUC 080202031502). The page lists 4 pollutants with an effluent exceedance and 10 pollutants under a numeric limit, with the permit recorded as issued November 18, 2015 and expiring November 30, 2020.