Clean Water Act discharge permit · NPDES OKG580004

MARSHALL, TOWN OF, Marshall, OK: NPDES OKG580004 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
4Pollutants under a numeric limit
2Pollutants with an effluent exceedance

MARSHALL, TOWN OF, held by Marshall, Town of, holds NPDES permit OKG580004, which discharges to 620910030110_00 Horse Creek. EPA’s file records it issued August 22, 2016 and expiring July 31, 2021. 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	MARSHALL, TOWN OF
Permittee as filed	Marshall, Town of
NPDES ID	OKG580004
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	Publicly owned treatment works
Program	Publicly owned treatment works
Issued	August 22, 2016
Expiration date	July 31, 2021
Issuing agency	ODEQ
Address	Marshall, OK 73056
Receiving water	620910030110_00 Horse Creek
Subwatershed	Horse Creek-Skeleton Creek (HUC 110500020911)
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

4Pollutants on file
4Under a numeric limit
4With a violation of any kind
2With 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	3	13	4	July 31, 2016	96% over the limit
pH	2	12	4	June 30, 2021
Solids, total suspended	3	9	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 OKG580004.

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 OKG580004 there.

Nearby on the register

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

This public-records page covers Clean Water Act discharge permit NPDES OKG580004, held by Marshall, Town of, a minor discharger that is a publicly owned treatment works discharging to Horse Creek in the Horse Creek-Skeleton Creek subwatershed. The permit is administratively continued, with 2 pollutants under a numeric limit and 2 pollutants with an effluent exceedance.