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Clean Water Act discharge permit · NPDES ARG550665

CHENIN DOIRON, Little Rock, AR: NPDES ARG550665 discharge permit, effluent exceedances, inspections, penalties

CHENIN DOIRON, held by Chenin Doiron, holds NPDES permit ARG550665, which discharges to Arkansas R. EPA’s file records it issued October 3, 2018 and expiring June 30, 2024. 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 filedCHENIN DOIRON
Permittee as filedChenin Doiron
NPDES IDARG550665
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
IssuedOctober 3, 2018
Expiration dateJune 30, 2024
AddressLittle Rock, AR 72210
Receiving waterArkansas R
SubwatershedLower North Fork Saline River (HUC 080402030103)

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
Coliform, fecal general222December 31, 202499,999% over the limit
BOD, 5-day, 20 deg. C211December 31, 20255% over the limit
Solids, total suspended211December 31, 20243% over the limit
pH200
Flow, in conduit or thru treatment plant200
Oxygen, dissolved [DO]100

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 ARG550665.

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 ARG550665 there.

Nearby on the register

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

What this page shows

This public-records page covers NPDES permit ARG550665 held by CHENIN DOIRON in Little Rock, AR, which discharges to the Arkansas R and sits in the Lower North Fork Saline River subwatershed (HUC 080402030103). The permit is listed as administratively continued and classed as a minor discharger, with 6 pollutants on file, 3 under a numeric limit, and 3 showing an effluent exceedance.