Clean Water Act discharge permit · NPDES IN0049948
MARATHON PETROLEUM MT VERNON, Mount Vernon, IN: NPDES IN0049948 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
MARATHON PETROLEUM MT VERNON, held by MARATHON PETROLEUM MT VERNON T, holds NPDES permit IN0049948, which discharges to Ohio River. EPA’s file records it issued June 26, 2002 and expiring June 30, 2007. 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 | MARATHON PETROLEUM MT VERNON |
|---|---|
| Permittee as filed | MARATHON PETROLEUM MT VERNON T |
| NPDES ID | IN0049948 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | June 26, 2002 |
| Expiration date | June 30, 2007 |
| Issuing agency | IDEM |
| Address | Mount Vernon, IN 47620 |
| Receiving water | OHIO RIVER |
| Subwatershed | Beaverdam Creek-Ohio River (HUC 051402020605) |
| Other EPA IDs (FRS) | RCRA handler IND000714956 |
Cited to the EPA ICIS-NPDES permit file (ECHO download); cross-program IDs from EPA’s FRS facility-registry crosswalk.
Effluent limits and exceedances
- 11Pollutants on file
- 0Under a numeric limit
- 11With a violation of any kind
- 0With 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 |
|---|---|---|---|---|---|
| pH | 0 | 4 | 0 | ||
| Solids, total suspended | 0 | 4 | 0 | ||
| Oil & Grease | 0 | 4 | 0 | ||
| Nitrogen, ammonia total [as N] | 0 | 4 | 0 | ||
| Carbon, tot organic [TOC] | 0 | 4 | 0 | ||
| Cyanide, total [as CN] | 0 | 4 | 0 | ||
| Lead, total recoverable | 0 | 4 | 0 | ||
| Benzene | 0 | 4 | 0 | ||
| Flow, in conduit or thru treatment plant | 0 | 4 | 0 | ||
| Volatile compounds, [GC/MS] | 0 | 4 | 0 | ||
| Flow, total | 0 | 2 | 0 |
EPA’s effluent violation file records no exceedance of a numeric limit for NPDES IN0049948.
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 IN0049948.
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 IN0049948 there.
Nearby on the register
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- Every permit record in Mount Vernon, A to Z
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- Every permit record in Indiana, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.