Clean Water Act discharge permit · NPDES MOG350144
MFA BULK PLANT MARTHASVILLE, Marthasville, MO: NPDES MOG350144 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 10Pollutants under a numeric limit
- 2Pollutants with an effluent exceedance
MFA BULK PLANT MARTHASVILLE, held by MFA Oil Company, holds NPDES permit MOG350144, which discharges to Tributary To Tuque Cr.. EPA’s file records it issued November 1, 2017 and expiring September 17, 2022. 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 filed | MFA BULK PLANT MARTHASVILLE |
|---|---|
| Permittee as filed | MFA Oil Company |
| NPDES ID | MOG350144 |
| 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 |
| Program | Industrial stormwater |
| Issued | November 1, 2017 |
| Expiration date | September 17, 2022 |
| Address | Marthasville, MO 63357 |
| Receiving water | Tributary to Tuque Cr. |
| Subwatershed | Middle Charrette Creek (HUC 103002000506) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 12Pollutants on file
- 10Under a numeric limit
- 6With 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 |
|---|---|---|---|---|---|
| Report due [yrmoda] | 1 | 4 | 3 | December 31, 2023 | |
| Oil and grease [soxhlet extr.] tot. | 2 | 4 | 2 | December 31, 2025 | 1,060% over the limit |
| Ethylbenzene | 0 | 4 | 0 | ||
| pH | 2 | 2 | 0 | ||
| Hydrocarbons, total petroleum | 2 | 2 | 0 | ||
| Oil petroleum, total recoverable | 0 | 2 | 0 | ||
| Toluene | 4 | 0 | 0 | ||
| Benzene | 4 | 0 | 0 | ||
| Xylene [mix of m+o+p] | 4 | 0 | 0 | ||
| Ethylbenzene | 2 | 0 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 0 | 0 | ||
| Ethanol | 2 | 0 | 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
- 1Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| May 1, 2026 | Effluent Violations - Numeric effluent violation | ST6 |
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 MOG350144 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.