Clean Water Act discharge permit · NPDES MDG918415
SMO DORSEY SHELL 551, Hanover, MD: NPDES MDG918415 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
SMO DORSEY SHELL 551, held by SOUTHERN MARYLAND OIL, holds NPDES permit MDG918415. EPA’s file records it issued August 15, 2008 and expiring December 31, 2012. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | SMO DORSEY SHELL 551 |
|---|---|
| Permittee as filed | SOUTHERN MARYLAND OIL |
| NPDES ID | MDG918415 |
| Permit status | Effective |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | August 15, 2008 |
| Expiration date | December 31, 2012 |
| Issuing agency | MD DEPARTMENT OF THE ENVIRONMENT |
| Address | Hanover, MD 21076 |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Deep Run-Patapsco River (HUC 020600031102) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 8Pollutants on file
- 0Under a numeric limit
- 8With 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 |
|---|---|---|---|---|---|
| Methyl tert-butyl ether [MTBE] | 0 | 8 | 0 | ||
| Benzene, ethylbenzene, toluene, xylene combination | 0 | 8 | 0 | ||
| Toluene | 0 | 8 | 0 | ||
| Benzene | 0 | 8 | 0 | ||
| Ethylbenzene | 0 | 8 | 0 | ||
| Petrol hydrocarbons, total recoverable | 0 | 8 | 0 | ||
| Flow, in conduit or thru treatment plant | 0 | 8 | 0 | ||
| Xylene [mix of m+o+p] | 0 | 8 | 0 |
EPA’s effluent violation file records no exceedance of a numeric limit for NPDES MDG918415.
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 MDG918415.
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
One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, MDG918415.
Start the watch
- One permit holder — $99/month
- One watershed — $2,990/year
- One state — $4,990/year
- The whole register — $18,000/year
How we handle your data → Privacy
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 MDG918415 there.
Nearby on the register
- Discharge permits in Hanover
- Every permit record in Hanover, A to Z
- Discharge permits in Maryland
- Every permit record in Maryland, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.