Clean Water Act discharge permit · NPDES MAR05J0AF
MBTA NORTH CAMBRIDGE CARHOUSE, North Cambridge, MA: NPDES MAR05J0AF discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
MBTA NORTH CAMBRIDGE CARHOUSE, held by MBTA, holds NPDES permit MAR05J0AF. EPA’s file records it issued February 26, 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 NORTH CAMBRIDGE CARHOUSE: its NPDES ID, its permit type and status, its dates, its address in North Cambridge, Massachusetts. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MAR05J0AF.
Identity
| Facility as filed | MBTA NORTH CAMBRIDGE CARHOUSE |
|---|---|
| Permittee as filed | MBTA |
| NPDES ID | MAR05J0AF |
| 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 26, 2026 |
| Expiration date | February 28, 2026 |
| Issuing agency | U.S. EPA |
| Address | North Cambridge, MA 02140 |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Mystic River-Frontal Boston Harbor (HUC 010900010502) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
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 MAR05J0AF.
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 MAR05J0AF.
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, MAR05J0AF.
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 MAR05J0AF there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.