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Clean Water Act discharge permit · NPDES MAR100582

WATERTOWN - MOUNT AUBURN STREET RECONSTRUCTION, Watertown, MA: NPDES MAR100582 discharge permit, effluent exceedances, inspections, penalties

WATERTOWN - MOUNT AUBURN STREET RECONSTRUCTION, held by Massachusetts Department of Transportation, holds NPDES permit MAR100582. EPA’s file records it issued May 24, 2024 and expiring February 16, 2027.

WATERTOWN - MOUNT AUBURN STREET RECONSTRUCTION, Watertown, Massachusetts: Coverage under a general permit MAR100582, held by Massachusetts Department of Transportation; Construction stormwater; Effective; issued May 24, 2024, term to February 16, 2027, by U.S. EPA.

Massachusetts holds 3,320 Construction stormwater coverages of this permit type in EPA’s file; 1,836 were issued before MAR100582. Massachusetts Department of Transportation holds 62 permits in Massachusetts.

Other permits held by Massachusetts Department of Transportation

Coverages issued nearest MAR100582

WATERTOWN - MOUNT AUBURN STREET RECONSTRUCTION among its neighbors

EPA’s permit file holds 384 discharge permits in the Charles River-Frontal Boston Harbor subwatershed (HUC 010900010704), MAR100582 among them.

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

What the register holds for WATERTOWN - MOUNT AUBURN STREET RECONSTRUCTION: its NPDES ID, its permit type and status, its dates, its address in Watertown, Massachusetts. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MAR100582.

Identity

Facility as filedWATERTOWN - MOUNT AUBURN STREET RECONSTRUCTION
Permittee as filedMassachusetts Department of Transportation
NPDES IDMAR100582
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
IssuedMay 24, 2024
Expiration dateFebruary 16, 2027
Issuing agencyU.S. EPA
AddressWatertown, MA 02472
SubwatershedCharles River-Frontal Boston Harbor (HUC 010900010704)

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES MAR100582.

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES MAR100582.

Inspections

EPA’s inspection file holds no inspection for NPDES MAR100582.

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 MAR100582.

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, MAR100582.

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Nearby on the register

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

What this page shows

The WATERTOWN - MOUNT AUBURN STREET RECONSTRUCTION permit is one of 20 storm water construction permits in Watertown, and it is one of 384 NPDES permits in the Charles River-Frontal Boston Harbor subwatershed (HUC 010900010704), this one included. Of the 20 Watertown storm water construction permits, 65.0% were issued earlier than this one, and 0.0% of them have a violation on file.