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Clean Water Act discharge permit · NPDES MAR1004MT

ARSENAL STREET CORRIDOR WOOLEY AVENUE TO ARSENAL COURT, Watertown, MA: NPDES MAR1004MT discharge permit, effluent exceedances, inspections, penalties

ARSENAL STREET CORRIDOR WOOLEY AVENUE TO ARSENAL COURT, held by Newport Construction Corporation, holds NPDES permit MAR1004MT. EPA’s file records it issued May 24, 2023 and expiring February 16, 2027. 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 ARSENAL STREET CORRIDOR WOOLEY AVENUE TO ARSENAL COURT: 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 MAR1004MT.

Identity

Facility as filedARSENAL STREET CORRIDOR WOOLEY AVENUE TO ARSENAL COURT
Permittee as filedNewport Construction Corporation
NPDES IDMAR1004MT
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
IssuedMay 24, 2023
Expiration dateFebruary 16, 2027
Issuing agencyU.S. EPA
AddressWatertown, MA 02472
Receiving water impaired303(D) Listed
SubwatershedCharles River-Frontal Boston Harbor (HUC 010900010704)

Cited to the EPA ICIS-NPDES permit file (ECHO download).

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES MAR1004MT.

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

EPA’s single-event violation file, as loaded, holds no violation for NPDES MAR1004MT.

Velarion’s copy of EPA’s ICIS-NPDES files does not yet 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, MAR1004MT.

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How often?
  • One permit holder — $99/month
  • One watershed — $2,990/year
  • One state — $4,990/year
  • The whole register — $18,000/year

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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 MAR1004MT there.

Nearby on the register

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