Clean Water Act discharge permit · NPDES MO0120669

MAGELLAN PIPELINE COMPANY-MT. VERNON, Mount Vernon, MO: NPDES MO0120669 discharge permit, effluent exceedances, inspections, penalties

EffectivePermit status
MinorDischarger class
7Pollutants under a numeric limit
1Pollutants with an effluent exceedance

MAGELLAN PIPELINE COMPANY-MT. VERNON, held by Transmontaigne Operating Company LP, holds NPDES permit MO0120669, which discharges to Tributary To Truitt Creek. EPA’s file records it issued January 1, 2019 and expiring March 31, 2023. 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	MAGELLAN PIPELINE COMPANY-MT. VERNON
Permittee as filed	Transmontaigne Operating Company LP
NPDES ID	MO0120669
Permit status	Effective
Permit type	Individual permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Program	Industrial stormwater
Issued	January 1, 2019
Expiration date	March 31, 2023
Address	Mount Vernon, MO 65712
Receiving water	Tributary to Truitt Creek
Subwatershed	Williams Creek (HUC 110702070105)
SIC	5171 – Petroleum Bulk Stations & Terminals
Other EPA IDs (FRS)	RCRA handler MOR000518258; ICIS-AIR source MO0000002910900002

Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download; cross-program IDs from EPA’s FRS facility-registry crosswalk.

Effluent limits and exceedances

8Pollutants on file
7Under a numeric limit
8With 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
Solids, settleable	0	2	2	September 30, 2018	99,999% over the limit
pH	4	4	0
Solids, total suspended	2	2	0
Oil and grease [soxhlet extr.] tot.	2	2	0
Benzene	2	2	0
Ethylbenzene	2	2	0
Rainfall	2	2	0
Storm water flow	2	2	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 MO0120669.

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 MO0120669 there.

Nearby on the register

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

This public-records page covers NPDES permit MO0120669 for MAGELLAN PIPELINE COMPANY-MT. VERNON in Mount Vernon, MO, held by Transmontaigne Operating Company LP and discharging to Tributary to Truitt Creek within the Williams Creek subwatershed (HUC 110702070105). The page lists a permit status of Effective, a Minor discharger class, 1 pollutant under a numeric limit, and 1 pollutant with an effluent exceedance, with issue and expiration dates of January 1, 2019 and March 31, 2023 as they stood in EPA's file when loaded on October 14, 2026.