Clean Water Act discharge permit · NPDES MAR05J05X

ASPHALT MANUFACTURING FACILITY, Westford, MA: NPDES MAR05J05X discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
17Pollutants under a numeric limit
0Pollutants with an effluent exceedance
0Inspections on file
0Formal enforcement actions

ASPHALT MANUFACTURING FACILITY, held by Newport Materials, LLC, holds NPDES permit MAR05J05X. EPA’s file records it issued February 12, 2022 and expiring February 28, 2026. 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.

Identity

Facility as filed	ASPHALT MANUFACTURING FACILITY
Permittee as filed	Newport Materials, LLC
NPDES ID	MAR05J05X
Permit status	Administratively continued (past its expiration date and still in force until reissued)
Permit type	Coverage under a general permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Program	Industrial stormwater
Issued	February 12, 2022
Expiration date	February 28, 2026
Issuing agency	U.S. EPA
Address	Westford, MA 01886
Subwatershed	Limit Brook-Merrimack River (HUC 010700061206)

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

Effluent limits and exceedances

17Pollutants on file
17Under a numeric limit
17With 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
Solids, total suspended	1	8
Acenaphthylene	1	2
Acenaphthene	1	2
Anthracene	1	2
Benzo[b]fluoranthene	1	2
Benzo[k]fluoranthene	1	2
Benzo[a]pyrene	1	2
Chrysene	1	2
Fluoranthene	1	2
Fluorene	1	2
Indeno[1,2,3-cd]pyrene	1	2
Phenanthrene	1	2
Pyrene	1	2
Benzo[ghi]perylene	1	2
Benzo[a]anthracene	1	2
Dibenz[a,h]anthracene	1	2
Naphthalene	1	2

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES MAR05J05X.

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

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES MAR05J05X.

Inspections

EPA’s inspection file holds no inspection for NPDES MAR05J05X.

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 MAR05J05X.

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, MAR05J05X.

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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 MAR05J05X there.

Nearby on the register

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

This public-records page covers Clean Water Act NPDES permit MAR05J05X, held by Newport Materials, LLC for the ASPHALT MANUFACTURING FACILITY in Westford, MA, and lists its status as administratively continued after its expiration date. The page reports 17 pollutants on file, 17 under a numeric limit, 17 with a violation of any kind, and 0 with an effluent exceedance.