Clean Water Act discharge permit · NPDES MAG912051
MBTA HEADHOUSE, Boston, MA: NPDES MAG912051 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 24Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
- 0Inspections on file
- 0Formal enforcement actions
MBTA HEADHOUSE, held by McCourt Construction, holds NPDES permit MAG912051. EPA’s file records it issued August 2, 2022 and expiring August 1, 2027.
MBTA HEADHOUSE, Boston, Massachusetts: Coverage under a general permit MAG912051, held by McCourt Construction; Effective; issued August 2, 2022, term to August 1, 2027, by EPA Region 1.
- pH: 2 limits, 30 violations of any kind, 0 effluent exceedances.
- Nitrogen, total [as N]: 2 limits, 30 violations of any kind, 0 effluent exceedances.
- Cyanide, total [as CN]: 2 limits, 30 violations of any kind, 0 effluent exceedances.
- Arsenic, total recoverable: 2 limits, 30 violations of any kind, 0 effluent exceedances.
- Selenium, total recoverable: 2 limits, 30 violations of any kind, 0 effluent exceedances.
- Nickel, total recoverable: 2 limits, 30 violations of any kind, 0 effluent exceedances.
- Silver total recoverable: 2 limits, 30 violations of any kind, 0 effluent exceedances.
- Zinc, total recoverable: 2 limits, 30 violations of any kind, 0 effluent exceedances.
- Antimony, total [as Sb]: 2 limits, 30 violations of any kind, 0 effluent exceedances.
- Aluminum, total recoverable: 2 limits, 30 violations of any kind, 0 effluent exceedances.
- Cadmium, total recoverable: 2 limits, 30 violations of any kind, 0 effluent exceedances.
- Lead, total recoverable: 2 limits, 30 violations of any kind, 0 effluent exceedances.
- Chromium, total recoverable: 2 limits, 30 violations of any kind, 0 effluent exceedances.
- Copper, total recoverable: 2 limits, 30 violations of any kind, 0 effluent exceedances.
- Total Group I Polycyclic Aromatic Hydrocarbons: 2 limits, 30 violations of any kind, 0 effluent exceedances.
- Mercury, total recoverable: 2 limits, 30 violations of any kind, 0 effluent exceedances.
- Chromium, hexavalent tot recoverable: 2 limits, 30 violations of any kind, 0 effluent exceedances.
- Turbidity: 1 limit, 15 violations of any kind, 0 effluent exceedances.
- Solids, total suspended: 1 limit, 15 violations of any kind, 0 effluent exceedances.
- Chloride, total recoverable: 1 limit, 15 violations of any kind, 0 effluent exceedances.
- Iron, total recoverable: 1 limit, 15 violations of any kind, 0 effluent exceedances.
- Flow, in conduit or thru treatment plant: 1 limit, 15 violations of any kind, 0 effluent exceedances.
- Solids, total dissolved [TDS]: 1 limit, 15 violations of any kind, 0 effluent exceedances.
- Hydrocarbons, total petroleum: 1 limit, 15 violations of any kind, 0 effluent exceedances.
Other permits held by McCourt Construction
- N-192 CABLE INSTALLATION PROJECT, BEVERLY & SALEM, MA, Beverly And Salem: MAR1003QW, issued February 14, 2022
- 5TH JET FUEL TANK, East Boston: MAR1004F7, issued January 2, 2023
- SUFFOLK DOWNS REDEVELOPMENT EARLY RELEASE SITE WORK - BOSTON, Boston: MAR1004V5, issued October 20, 2023
- SUFFOLK DOWNS PHASE 1R OFF-SITE IMPROVEMENTS, Revere: MAR1004YD, issued December 20, 2023
MBTA HEADHOUSE among its neighbors
EPA’s permit file holds 384 discharge permits in the Charles River-Frontal Boston Harbor subwatershed (HUC 010900010704), MAG912051 among them.
Other permits in the Charles River-Frontal Boston Harbor subwatershed (HUC 010900010704)
- 100 NORTHERN AVENUE, Boston: MAG912127, minor permit, permit term to August 1, 2027
- 101 HAMPDEN STREET, Boston: MAR1003TB, minor permit, permit term to February 16, 2027
- 104 MAIN STREET, Watertown: MAG912191, minor permit, permit term to August 1, 2027
- 104 MAIN STREET, Watertown: MAR1005BZ, minor permit, permit term to February 16, 2027
- 121 - 139 FIRST STREET, Cambridge: MAG070443, minor permit, discharging to CHARLES RIVER, permit term to May 19, 2020
- 127 AMORY ST REDEVELOPMENT PROJECT, Boston: MAR1005O4, minor permit, permit term to February 16, 2027
- 127 AMORY STREET, Boston: MAR1005RC, minor permit, permit term to February 16, 2027
- 1270 COMMONWEALTH AVE, Allston: MAR1005P0, minor permit, permit term to February 16, 2027
- 136 SHAWMUT AVENUE, Boston: MAG070409, minor permit, discharging to FORT POINT CHANNEL, permit term to May 19, 2020
- 14 WEST BROADWAY, Boston: MAG070411, minor permit, discharging to fFORT POINT CHANNEL, permit term to May 19, 2020
Identity
| Facility as filed | MBTA HEADHOUSE |
|---|---|
| Permittee as filed | McCourt Construction |
| NPDES ID | MAG912051 |
| Permit status | Effective |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | August 2, 2022 |
| Expiration date | August 1, 2027 |
| Issuing agency | EPA Region 1 |
| Address | Boston, MA 02210 |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Charles River-Frontal Boston Harbor (HUC 010900010704) |
Effluent limits and exceedances
- 24Pollutants on file
- 24Under a numeric limit
- 24With 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 | 2 | 30 | 0 | ||
| Nitrogen, total [as N] | 2 | 30 | 0 | ||
| Cyanide, total [as CN] | 2 | 30 | 0 | ||
| Arsenic, total recoverable | 2 | 30 | 0 | ||
| Selenium, total recoverable | 2 | 30 | 0 | ||
| Nickel, total recoverable | 2 | 30 | 0 | ||
| Silver total recoverable | 2 | 30 | 0 | ||
| Zinc, total recoverable | 2 | 30 | 0 | ||
| Antimony, total [as Sb] | 2 | 30 | 0 | ||
| Aluminum, total recoverable | 2 | 30 | 0 | ||
| Cadmium, total recoverable | 2 | 30 | 0 | ||
| Lead, total recoverable | 2 | 30 | 0 | ||
| Chromium, total recoverable | 2 | 30 | 0 | ||
| Copper, total recoverable | 2 | 30 | 0 | ||
| Total Group I Polycyclic Aromatic Hydrocarbons | 2 | 30 | 0 | ||
| Mercury, total recoverable | 2 | 30 | 0 | ||
| Chromium, hexavalent tot recoverable | 2 | 30 | 0 | ||
| Turbidity | 1 | 15 | 0 | ||
| Solids, total suspended | 1 | 15 | 0 | ||
| Chloride, total recoverable | 1 | 15 | 0 | ||
| Iron, total recoverable | 1 | 15 | 0 | ||
| Flow, in conduit or thru treatment plant | 1 | 15 | 0 | ||
| Solids, total dissolved [TDS] | 1 | 15 | 0 | ||
| Hydrocarbons, total petroleum | 1 | 15 | 0 |
EPA’s effluent violation file records no exceedance of a numeric limit for NPDES MAG912051.
Inspections, violations and enforcement
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES MAG912051.
Inspections
EPA’s inspection file holds no inspection for NPDES MAG912051.
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 MAG912051.
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.