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Clean Water Act discharge permit · NPDES MAR1005NT

300 BARTLETT STREET EXPANSION, Northbrorough, MA: NPDES MAR1005NT discharge permit, effluent exceedances, inspections, penalties

300 BARTLETT STREET EXPANSION, held by Arco National Construction, holds NPDES permit MAR1005NT. EPA’s file records it issued April 1, 2025 and expiring February 16, 2027.

300 BARTLETT STREET EXPANSION, Northbrorough, Massachusetts: Coverage under a general permit MAR1005NT, held by Arco National Construction; Construction stormwater; Effective; issued April 1, 2025, term to February 16, 2027, by U.S. EPA.

Massachusetts holds 3,320 Construction stormwater coverages of this permit type in EPA’s file; 2,309 were issued before MAR1005NT.

Coverages issued nearest MAR1005NT

300 BARTLETT STREET EXPANSION among its neighbors

EPA’s permit file holds 59 discharge permits in the Headwaters Assabet River subwatershed (HUC 010700050201), MAR1005NT among them.

Other permits in the Headwaters Assabet River subwatershed (HUC 010700050201)

What the register holds for 300 BARTLETT STREET EXPANSION: its NPDES ID, its permit type and status, its dates, its address in Northbrorough, Massachusetts. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MAR1005NT.

Identity

Facility as filed300 BARTLETT STREET EXPANSION
Permittee as filedArco National Construction
NPDES IDMAR1005NT
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
IssuedApril 1, 2025
Expiration dateFebruary 16, 2027
Issuing agencyU.S. EPA
AddressNorthbrorough, MA 01532
SubwatershedHeadwaters Assabet River (HUC 010700050201)

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES MAR1005NT.

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES MAR1005NT.

Inspections

EPA’s inspection file holds no inspection for NPDES MAR1005NT.

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 MAR1005NT.

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, MAR1005NT.

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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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Nearby on the register

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

What this page shows

The 300 BARTLETT STREET EXPANSION permit is one of 59 NPDES permits in the Headwaters Assabet River subwatershed, this one included. It is also the only storm water construction permit on EPA's NPDES register in Northbrorough, counting this one. The permit records zero pollutants under a numeric limit and zero pollutants with an effluent exceedance.