Clean Water Act discharge permit · NPDES MAR05J0AH
MBTA WELLINGTON CARHOUSE, Medford, MA: NPDES MAR05J0AH discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
- 0Inspections on file
- 0Formal enforcement actions
MBTA WELLINGTON CARHOUSE, held by Massachusetts Bay Transportation Authority, holds NPDES permit MAR05J0AH. EPA’s file records it issued February 27, 2026 and expiring February 28, 2026. 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.
What the register holds for MBTA WELLINGTON CARHOUSE: its NPDES ID, its permit type and status, its dates, its address in Medford, Massachusetts. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MAR05J0AH.
Identity
| Facility as filed | MBTA WELLINGTON CARHOUSE |
|---|---|
| Permittee as filed | Massachusetts Bay Transportation Authority |
| NPDES ID | MAR05J0AH |
| 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 | February 27, 2026 |
| Expiration date | February 28, 2026 |
| Issuing agency | U.S. EPA |
| Address | Medford, MA 02155 |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Mystic River-Frontal Boston Harbor (HUC 010900010502) |
| Other EPA IDs (FRS) | RCRA handler MAD981205545; ICIS-AIR source MA0000002511901661 |
Cited to the EPA ICIS-NPDES permit file (ECHO download); cross-program IDs from EPA’s FRS facility-registry crosswalk.
Effluent limits and exceedances
- 0Pollutants on file
- 0Under a numeric limit
- 0With a violation of any kind
- 0With an effluent exceedance
EPA’s limits and effluent violation files hold no pollutant row for NPDES MAR05J0AH.
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 MAR05J0AH.
Inspections
EPA’s inspection file holds no inspection for NPDES MAR05J0AH.
Formal enforcement and penalties
0 formal actions, 0 of them with a penalty assessed. Federal and state penalties are separate figures from separate authorities and are shown as each was filed, never added together.
Informal enforcement
EPA’s informal enforcement file holds no action for NPDES MAR05J0AH.
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, MAR05J0AH.
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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 MAR05J0AH there.
Nearby on the register
- Discharge permits in Medford
- Every permit record in Medford, A to Z
- Discharge permits in Massachusetts
- Every permit record in Massachusetts, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.