Clean Water Act discharge permit · NPDES MAR1004PH

NORTON MANSFIELD RAIL TRAIL EXTENSION, Norton, MA: NPDES MAR1004PH discharge permit, effluent exceedances, inspections, penalties

EffectivePermit status
MinorDischarger class
0Pollutants under a numeric limit
0Pollutants with an effluent exceedance

NORTON MANSFIELD RAIL TRAIL EXTENSION, held by Massachusetts Department of Transportation - District 5, holds NPDES permit MAR1004PH. EPA’s file records it issued July 6, 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 NORTON MANSFIELD RAIL TRAIL EXTENSION: its NPDES ID, its permit type and status, its dates, its address in Norton, Massachusetts. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MAR1004PH.

Identity

Facility as filed	NORTON MANSFIELD RAIL TRAIL EXTENSION
Permittee as filed	Massachusetts Department of Transportation - District 5
NPDES ID	MAR1004PH
Permit status	Effective
Permit type	Coverage under a general permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Program	Construction stormwater
Issued	July 6, 2023
Expiration date	February 16, 2027
Issuing agency	U.S. EPA
Address	Norton, MA 02766
Subwatershed	Mill River (HUC 010900040801)

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

Effluent limits and exceedances

0Pollutants on file
0Under a numeric limit
0With a violation of any kind
0With an effluent exceedance

EPA’s limits and effluent violation files hold no pollutant row for NPDES MAR1004PH.

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 MAR1004PH.

Velarion’s copy of EPA’s ICIS-NPDES files does not 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, MAR1004PH.

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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 MAR1004PH there.

Nearby on the register

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

The NORTON MANSFIELD RAIL TRAIL EXTENSION is one of 14 storm water construction permits on EPA's NPDES register in Norton, and it is among 33 NPDES permits in the Mill River subwatershed, the sole remaining figure being that 57.1% of the Norton storm water construction permits were issued earlier than this one. Of those 14 Norton storm water construction permits, 0.0% have a violation on file, and this permit shows no pollutants under a numeric limit and no effluent exceedances.