Clean Water Act discharge permit · NPDES ARG550364

MARK MCGILL RESIDENCE, Sherwood, AR: NPDES ARG550364 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
6Pollutants under a numeric limit
5Pollutants with an effluent exceedance

MARK MCGILL RESIDENCE, held by MARK MCGILL, HOMEOWNER, holds NPDES permit ARG550364, which discharges to Arkansas River. 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 (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

Identity

Facility as filed	MARK MCGILL RESIDENCE
Permittee as filed	MARK MCGILL, HOMEOWNER
NPDES ID	ARG550364
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	October 3, 2018
Expiration date	June 30, 2024
Address	Sherwood, AR 72120
Receiving water	ARKANSAS RIVER
Subwatershed	Kellogg Creek (HUC 080204020103)
NAICS	221320 – Sewage Treatment Facilities
SIC	4952 – Sewerage Systems

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

6Pollutants on file
6Under a numeric limit
6With a violation of any kind
5With 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
BOD, 5-day, 20 deg. C	2	23	17	December 31, 2026 (as filed; later than the file's load date)	300% over the limit
Solids, total suspended	2	22	16	December 31, 2026 (as filed; later than the file's load date)	2,243% over the limit
Coliform, fecal general	2	21	15	December 31, 2026 (as filed; later than the file's load date)	99,999% over the limit
Oxygen, dissolved [DO]	1	14	11	December 31, 2024	76% over the limit
pH	2	7	1	December 31, 2021
Flow, in conduit or thru treatment plant	2	8	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 ARG550364.

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

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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 ARG550364 there.

Nearby on the register

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

This public-records page covers NPDES permit ARG550364 for the MARK MCGILL RESIDENCE in Sherwood, AR, held by MARK MCGILL, HOMEOWNER, which discharges to the ARKANSAS RIVER with a permit status listed as Administratively continued. The register lists 6 for discharger class, 5 pollutants under a numeric limit, and 5 pollutants with an effluent exceedance.