Clean Water Act discharge permit · NPDES MDG852306
COMMONWEALTH MINE, Lonaconing, MD: NPDES MDG852306 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 7Pollutants under a numeric limit
- 2Pollutants with an effluent exceedance
COMMONWEALTH MINE, held by JENKINS DEVELOPMENT COMPANY, holds NPDES permit MDG852306. EPA’s file records it issued April 1, 2000 and expiring February 23, 2005. 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 | COMMONWEALTH MINE |
|---|---|
| Permittee as filed | JENKINS DEVELOPMENT COMPANY |
| NPDES ID | MDG852306 |
| 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 |
| Issued | April 1, 2000 |
| Expiration date | February 23, 2005 |
| Address | Lonaconing, MD 21539 |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Upper Georges Creek (HUC 020700020301) |
| SIC | 5052 – Coal And Other Minerals And Ores |
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
- 8Pollutants on file
- 7Under 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 |
|---|---|---|---|---|---|
| Manganese, total [as Mn] | 6 | 3 | 3 | June 30, 2009 | 360% over the limit |
| Iron, total [as Fe] | 6 | 2 | 2 | June 30, 2009 | 237% over the limit |
| Turbidity | 6 | 1 | 0 | ||
| Solids, settleable | 0 | 1 | 0 | ||
| pH | 6 | 0 | 0 | ||
| Flow, in conduit or thru treatment plant | 6 | 0 | 0 | ||
| Solids, total suspended | 3 | 0 | 0 | ||
| Turbidity, lab, NTU | 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
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES MDG852306.
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 MDG852306 there.
Nearby on the register
- Discharge permits in Lonaconing
- Every permit record in Lonaconing, A to Z
- Discharge permits in Maryland
- Every permit record in Maryland, A to Z
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.