Velarion Records
Follow this permit Velarion Records emails you this permit’s record, cited to the public filing, and tells you when the register changes it. Free.
We’ll email you a link to confirm. The continuous daily watch on every change is the paid alert. Unsubscribe any time.
Also free: The Pay Desk, the weekly executive pay briefing.

Clean Water Act discharge permit · NPDES MAR100450

MBTA HEADHOUSE, Cambridge, MA: NPDES MAR100450 discharge permit, effluent exceedances, inspections, penalties

MBTA HEADHOUSE, held by Turner Construction Company, holds NPDES permit MAR100450. EPA’s file records it issued July 13, 2022 and expiring February 16, 2027.

MBTA HEADHOUSE, Cambridge, Massachusetts: Coverage under a general permit MAR100450, held by Turner Construction Company; Construction stormwater; Effective; issued July 13, 2022, term to February 16, 2027, by U.S. EPA.

Massachusetts holds 3,320 Construction stormwater coverages of this permit type in EPA’s file; 869 were issued before MAR100450. Turner Construction Company holds 13 permits in Massachusetts.

Other permits held by Turner Construction Company

Coverages issued nearest MAR100450

MBTA HEADHOUSE among its neighbors

EPA’s permit file holds 384 discharge permits in the Charles River-Frontal Boston Harbor subwatershed (HUC 010900010704), MAR100450 among them.

Other permits in the Charles River-Frontal Boston Harbor subwatershed (HUC 010900010704)

What the register holds for MBTA HEADHOUSE: its NPDES ID, its permit type and status, its dates, its address in Cambridge, Massachusetts. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MAR100450.

Identity

Facility as filedMBTA HEADHOUSE
Permittee as filedTurner Construction Company
NPDES IDMAR100450
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
IssuedJuly 13, 2022
Expiration dateFebruary 16, 2027
Issuing agencyU.S. EPA
AddressCambridge, MA 02142
Receiving water impaired303(D) Listed
SubwatershedCharles River-Frontal Boston Harbor (HUC 010900010704)

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES MAR100450.

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES MAR100450.

Inspections

EPA’s inspection file holds no inspection for NPDES MAR100450.

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 MAR100450.

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, MAR100450.

Start the watch

How often?
  • 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

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.

What this page shows

The MBTA HEADHOUSE storm water construction permit (MAR100450) in Cambridge, Massachusetts, is one of 42 such permits in the city on EPA's NPDES register, and it sits within a subwatershed that holds 384 NPDES permits, this one included. Of the 41 storm water construction permits in Cambridge, 26.8% were issued earlier than this one, and none of the 42 Cambridge storm water construction permits has a violation on file, so 0.0% do.