Clean Water Act discharge permit · NPDES MAR1005LB

PLYMPTON, WINNETUXET ROAD, BRIDGE REPLACEMENT (P-14-001 (445)), Plympton, MA: NPDES MAR1005LB discharge permit, effluent exceedances, inspections, penalties

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

PLYMPTON, WINNETUXET ROAD, BRIDGE REPLACEMENT (P-14-001 (445)), held by Massachusetts Department of Transportation - District 5, holds NPDES permit MAR1005LB. EPA’s file records it issued February 24, 2025 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 PLYMPTON, WINNETUXET ROAD, BRIDGE REPLACEMENT (P-14-001 (445)): its NPDES ID, its permit type and status, its dates, its address in Plympton, Massachusetts. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MAR1005LB.

Identity

Facility as filed	PLYMPTON, WINNETUXET ROAD, BRIDGE REPLACEMENT (P-14-001 (445))
Permittee as filed	Massachusetts Department of Transportation - District 5
NPDES ID	MAR1005LB
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	February 24, 2025
Expiration date	February 16, 2027
Issuing agency	U.S. EPA
Address	Plympton, MA 02367
Subwatershed	Winnetuxet River-Taunton River (HUC 010900040201)

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 MAR1005LB.

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 MAR1005LB.

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.

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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 MAR1005LB there.

Nearby on the register

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

Plympton has 7 storm water construction permits under EPA's NPDES program, and 0.0% carry a violation on file. PLYMPTON, WINNETUXET ROAD, BRIDGE REPLACEMENT (P-14-001 (445)) is among the 7 Plympton permits, and it lies in the Winnetuxet River-Taunton River subwatershed (HUC 010900040201), which lists 20 NPDES permits including this permit. Of the 7 Plympton storm water construction permits, 42.9% were issued earlier than this permit.